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A relative clause is a clause that modifies a noun or noun phrase and uses some grammatical device to indicate that one of the arguments in the relative clause refers to the noun or noun phrase. For example, in the sentence I met a man who wasn't too sure of himself, the subordinate clause who wasn't too sure of himself is a relative clause since it modifies the noun man and uses the pronoun who to indicate that the same "man" is referred to in the subordinate clause (in this case as its subject).

In many languages, relative clauses are introduced by a special class of pronouns called relative pronouns, such as who in the example just given. In other languages, relative clauses may be marked in different ways: they may be introduced by a special class of conjunctions called relativizers, the main verb of the relative clause may appear in a special morphological variant, or a relative clause may be indicated by word order alone. In some languages, more than one of these mechanisms may be possible.

Types

Bound and free

A bound relative clause, the type most often considered, qualifies an explicit element (usually a noun or noun phrase) appearing in the main clause, and refers back to that element by means of some explicit or implicit device within the relative clause.

The relative clause may also function as an embedded clause within a main (or higher-level) clause, thereby forming a matrix sentence. The noun in the main clause that the relative clause modifies is called the head noun, or (particularly when referred back to by a relative pronoun) the antecedent.

For example, in the English sentence "The person whom I saw yesterday went home", the relative clause "whom I saw yesterday" modifies the head noun person, and the relative pronoun whom refers back to the referent of that noun. The sentence is equivalent to the following two sentences: "I saw a person yesterday. The person went home". The shared argument need not fulfill the same role in both clauses; in this example the same person is referred to by the subject of the matrix clause, but the direct object of the relative clause.

A free relative clause (or fused relative), on the other hand, does not have an explicit antecedent external to itself. Instead, the relative clause itself takes the place of an argument in the matrix clause. For example, in the English sentence "I like what I see", the clause what I see is a free relative clause, because it has no antecedent, but itself serves as the object of the verb like in the main clause. Alternatively, one could argue that the free relative clause has a zero as its antecedent. (See also English relative clauses § Fused relative constructions)

Restrictive and non-restrictive

Bound relative clauses may or may not be restrictive. A restrictive relative clause is a relative clause that functions as a restrictive modifier. A non-restrictive relative clause is a relative clause that is not a restrictive relative clause. Whereas a non-restrictive or non-defining relative clause merely provides supplementary information, a restrictive or defining relative clause modifies the meaning of its head word (restricts its possible referent). For example:

• The person who lives in this house has not been seen for days. This contains the restrictive relative clause who lives in this house, which modifies the meaning of person and is essential to the sentence. If this clause were omitted, it would no longer be known which person is being referred to, and the remaining part would not really make sense.
• The mayor, who lives in this house, has not been seen for days. This contains a non-restrictive relative clause since this provides supplementary information about the mayor but is not essential to the sentence. If this clause were omitted, it would still be known who is meant (the mayor), and the remaining part would still make sense.

In speaking, it is natural to make slight pauses around non-restrictive clauses, and in English this is shown in writing by commas (as in the examples). However, many languages distinguish the two types of relative clauses in this way only in speaking, not in writing. Another difference in English is that only restrictive relative clauses may be introduced with that or use the "zero" relative pronoun (see English relative clauses for details).

A non-restrictive relative clause may have a whole sentence as its antecedent rather than a specific noun phrase; for example:

• The cat was allowed on the bed, which annoyed the dog.

Here, which refers not to the bed or the cat but to the entire proposition expressed in the main clause, namely the situation of the cat being allowed on the bed.

Formation methods

Languages differ in many ways in how relative clauses are expressed:

1. How the role of the shared noun phrase is indicated in the embedded clause.
2. How the two clauses are joined together.
3. Where the embedded clause is placed relative to the head noun (in the process indicating which noun phrase in the main clause is modified).

For example, the English sentence "The person that I saw yesterday went home" can be described as follows:

1. The role of the shared noun in the embedded clause is indicated by gapping; that is, a gap is left in the object position after "saw", implying that the shared noun phrase ("the person") is to be understood to fill that gap and to serve as the object of the verb "saw".
2. The clauses are joined by the complementizer "that".
3. The embedded clause is placed after the head noun "the person".

The following sentences indicate various possibilities (only some of which are grammatical in English):

• "The person went home". (A complementizer linking the two clauses with a gapping strategy indicating the role of the shared noun in the embedded clause. One possibility in English. Very common cross-linguistically.)
• "The person went home". (Gapping strategy, with no word joining the clauses—also known as a reduced relative clause. One possibility in English. Used in Arabic when the head noun is indefinite, as in "a person" instead of "the person".)
• "The person went home". (A relative pronoun indicating the role of the shared noun in the embedded clause—in this case, the direct object. Used in formal English, as in Latin, German or Russian.)
• "The person went home". (A reduced relative clause, in this case passivized. One possibility in English.)
• "The person went home". (A complementizer linking the two sentences with a resumptive pronoun indicating the role of the shared noun in the embedded clause, as in Arabic, Hebrew or Persian.)
• "The person went home". (Similar to the previous, but with the resumptive pronoun fronted. This occurs in modern Greek and as one possibility in modern Hebrew; the combination that him of complementizer and resumptive pronoun behaves similarly to a unitary relative pronoun.)
• "The 's person went home". (Preceding relative clause with gapping and use of a possessive particle—as normally used in a genitive construction—to link the relative clause to the head noun, as in Chinese.)
• "The 's person went home". (Preceding relative clause with gapping, and Nominalized the final verb, then use of a possessive particle—as normally used in a genitive construction—to link the relative clause to the head noun. This occurs in many Sino-Tibetan languages and possibly developed from "relative clause + noun" > "nominalized clause + noun" > "genitive construction"., as in Tibetan.)
• "The person went home". (Preceding relative clause with gapping and no linking word, as in Japanese or Mongolian.)
• "The person went home". (Nominalized relative clause, as in Turkish.)
• ", that person went home". (A correlative structure, as in Hindi.)
• " went home." (An unreduced, internally headed relative clause, as in Navajo.)

Strategies for indicating the role of the shared noun in the relative clause

There are four main strategies for indicating the role of the shared noun phrase in the embedded clause. These are typically listed in order of the degree to which the noun in the relative clause has been reduced, from most to least:

1. Gap strategy or gapped relative clause
2. Relative pronoun
3. Pronoun retention
4. Nonreduction

Gapped relative clause

In this strategy, there is simply a gap in the relative clause where the shared noun would go. This is normal in English, for example, and also in Chinese and Japanese. This is the most common type of relative clause, especially in verb-final languages with prenominal relative clauses, but is also widespread among languages with postnominal externally headed relative clauses.

There may or may not be any marker used to join the relative and main clauses. (Languages with a case-marked relative pronoun are technically not considered to employ the gapping strategy even though they do in fact have a gap, since the case of the relative pronoun indicates the role of the shared noun.) Often the form of the verb is different from that in main clauses and is to some degree nominalized, as in Turkish and in English reduced relative clauses.

In non-verb-final languages, apart from languages like Thai and Vietnamese with very strong politeness distinctions in their grammars, gapped relative clauses tend, however, to be restricted to positions high up in the accessibility hierarchy. With obliques and genitives, non-verb-final languages that do not have politeness restrictions on pronoun use tend to use pronoun retention. English is unusual in that all roles in the embedded clause can be indicated by gapping: e.g. "I saw the person who is my friend", but also (in progressively less accessible positions cross-linguistically, according to the accessibility hierarchy described below) "... who I know", "... who I gave a book to", "... who I spoke with", "... who I run slower than". Usually, languages with gapping disallow it beyond a certain level in the accessibility hierarchy, and switch to a different strategy at this point. Classical Arabic, for example, only allows gapping in the subject and sometimes the direct object; beyond that, a resumptive pronoun must be used. Some languages have no allowed strategies at all past a certain point—e.g. in many Austronesian languages, such as Tagalog, all relative clauses must have the shared noun serving the subject role in the embedded clause. In these languages, relative clauses with shared nouns serving "disallowed" roles can be expressed by passivizing the embedded sentence, thereby moving the noun in the embedded sentence into the subject position. This, for example, would transform "The person who I gave a book to" into "The person who was given a book by me". Generally, languages such as this "conspire" to implement general relativization by allowing passivization from all positions — hence a sentence equivalent to "The person who is run slower than by me" is grammatical. Gapping is often used in conjunction with case-marked relative pronouns (since the relative pronoun indicates the case role in the embedded clause), but this is not necessary (e.g. Chinese and Japanese both using gapping in conjunction with an indeclinable complementizer).

Relative pronoun type

This is a type of gapped relative clause, but is distinguished by the fact that the role of the shared noun in the embedded clause is indicated indirectly by the case marking of the marker (the relative pronoun) used to join the main and embedded clauses. All languages which use relative pronouns have them in clause-initial position: though one could conceivably imagine a clause-final relative pronoun analogous to an adverbial subordinator in that position, they are unknown.

Some languages have what are described as "relative pronouns" (in that they agree with some properties of the head noun, such as number and gender) but which do not actually indicate the case role of the shared noun in the embedded clause. Classical Arabic has "relative pronouns" which are case-marked, but which agree in case with the head noun. Case-marked relative pronouns in the strict sense are almost entirely confined to European languages, where they are widespread except among the Celtic family and Indo-Aryan family. The influence of Spanish has led to their adaption by a very small number of Native American languages, of which the best known are the Keresan languages.

Pronoun retention type

In this type, the position relativized is indicated by means of a personal pronoun in the same syntactic position as would ordinarily be occupied by a noun phrase of that type in the main clause—known as a resumptive pronoun. It is equivalent to saying "The woman who I saw her yesterday went home". Pronoun retention is very frequently used for relativization of inaccessible positions on the accessibility hierarchy. In Persian and Classical Arabic, for example, resumptive pronouns are required when the embedded role is other than the subject or direct object, and optional in the case of the direct object. Resumptive pronouns are common in non-verb-final languages of Africa and Asia, and also used by the Celtic languages of northwest Europe and Romanian ("Omul pe care l-am văzut ieri a mers acasă"/"The man who I saw him yesterday went home"). They also occur in deeply embedded positions in English, as in "That's the girl that I don't know what she did", although this is sometimes considered non-standard.

Only a very small number of languages, of which the best known is Yoruba, have pronoun retention as their sole grammatical type of relative clause.

Nonreduction type

In the nonreduction type, unlike the other three, the shared noun occurs as a full-fledged noun phrase in the embedded clause, which has the form of a full independent clause. Typically, it is the head noun in the main clause that is reduced or missing. Some languages use relative clauses of this type with the normal strategy of embedding the relative clause next to the head noun. These languages are said to have internally headed relative clauses, which would be similar to the (ungrammatical) English structure " is my friend" or "I took out on a date". This is used, for example, in Navajo, which uses a special relative verb (as with some other Native American languages).

A second strategy is the correlative-clause strategy used by Hindi and other Indo-Aryan languages, as well as Bambara. This strategy is equivalent to saying "Which girl you see over there, she is my daughter" or "Which knife I killed my friend with, the police found that knife". It is "correlative" because of the corresponding "which ... that ..." demonstratives or "which ... she/he/it ..." pronouns, which indicate the respective nouns being equated. The shared noun can either be repeated entirely in the main clause or reduced to a pronoun. There is no need to front the shared noun in such a sentence. For example, in the second example above, Hindi would actually say something equivalent to "I killed my friend with which knife, the police found that knife".

Dialects of some European languages, such as Italian, do use the nonreduction type in forms that could be glossed in English as "The person just passed us by, she introduced me to the chancellor here."

In general, however, nonreduction is restricted to verb-final languages, though it is more common among those that are head-marking.

Strategies for joining the relative clause to the main clause

The following are some of the common strategies for joining the two clauses:

• Use of an indeclinable particle (specifically, a relativizer) inserted into the sentence, placed next to the modified noun; the embedded clause is likewise inserted into the appropriate position, typically placed on the other side of the complementizer. This strategy is very common and arguably occurs in English with the word that ("the woman that I saw"), though this interpretation of "that" as something other than a relative pronoun is controversial (see below). In the modern varieties of Arabic (using illi placed after the modified noun); in Chinese (using de placed before the modified noun).
• Use of a relative pronoun. Prototypically, a relative pronoun agrees with the head noun in gender, number, definiteness, animacy, etc., but adopts the case that the shared noun assumes in the embedded, not matrix, clause. This is the case in a number of conservative European languages, such as Latin, German and Russian. Many languages also have similar linking words commonly termed "relative pronouns" that agree in some way with the head noun, but do not adopt the case role of the embedded clause. In English, for example, the use of who vs. which agrees with the animacy of the head noun, but there is no case agreement except in the formal English contrast who vs. whom. Similarly, in Classical Arabic, there is a relative pronoun that agrees in number, gender, definiteness and case with the head noun (rather than taking the case role of the noun in the embedded clause). Languages with prototypical relative pronouns typically use the gapping strategy for indicating the role in the embedded clause, since the relative pronoun itself indicates the role by its case. (Classical Arabic, where the case marking indicates something else, uses a resumptive pronoun.) Some linguists prefer to use the term relative pronoun only for the prototypical cases (but in this case it is unclear what to call the non-prototypical cases).
• Directly inserting the embedded clause in the matrix clause at the appropriate position, with no word used to join them. This is common, for example, in English (cf. "The person I saw yesterday went home"), and is used in Classical Arabic in relative clauses that modify indefinite nouns.
• By nominalizing the relative clause (e.g. converting it to a participial construction). Generally, no relative pronoun or complementizer is used. This occurs, for example, in reduced relative clauses in English (e.g. "The person seen by me yesterday went home" or "The person planning to go home soon is my friend"). Formal German makes common use of such participial relative clauses, which can become extremely long. This is also the normal strategy in Turkish, which has sentences equivalent to "I ate the potato of Hasan's giving to Sina" (in place of "I ate the potato that Hasan gave to Sina"). This can be viewed as a situation in which the "complementizer" is attached to the verb of the embedded clause (e.g. in English, "-ing" or "-ed" can be viewed as a type of complementizer).

Position of the head noun with respect to the relative clause

The positioning of a relative clause before or after a head noun is related to the more general concept of branching in linguistics. Languages that place relative clauses after their head noun (so-called head-initial or VO languages) generally also have adjectives and genitive modifiers following the head noun, as well as verbs preceding their objects. French, Spanish and Arabic are prototypical languages of this sort. Languages that place relative clauses before their head noun (so-called head-final or OV languages) generally also have adjectives and genitive modifiers preceding the head noun, as well as verbs following their objects. Turkish and Japanese are prototypical languages of this sort. Not all languages fit so easily into these categories. English, for example, is generally head-first, but has adjectives preceding their head nouns, and genitive constructions with both preceding and following modifiers ("the friend of my father" vs. "my father's friend"). Chinese has the VO order, with verb preceding object, but otherwise is generally head-final.

Various possibilities for ordering are:

• Relative clause following the head noun, as in English, French or Arabic.
• Relative clause preceding the head noun, as in Turkish, Japanese, or Chinese.
• Head noun within the relative clause (an internally headed relative clause). An example of such a language is Navajo. These languages are said to have nonreduced relative clauses. These languages have a structure equivalent to " went home".
• Adjoined relative clause. These languages have the relative clause completely outside the main clause, and use a correlative structure to link the two. These languages also have nonreduced relative clauses. Hindi, the most well-known such language, has a structure similar to "Which person I saw yesterday, that person went home" or (without fronting of the relativized noun in the relative clause) "I saw which person yesterday, that person went home". Another example is Warlpiri, which constructs relative clauses of a form similar to "I saw the man yesterday, which he was going home". However, it is sometimes said these languages have no relative clauses at all, since the sentences of this form can equally well translate as "I saw the man who was going home yesterday" or "I saw the man yesterday when/while he was going home".

Accessibility hierarchy

The antecedent of the relative clause (that is, the noun that is modified by it) can in theory be the subject of the main clause, or its object, or any other verb argument. In many languages, however, especially rigidly left-branching, dependent-marking languages with prenominal relative clauses, there are major restrictions on the role the antecedent may have in the relative clause.

Edward Keenan and Bernard Comrie noted that these roles can be ranked cross-linguistically in the following order from most accessible to least accessible:

Subject > Direct Object > Indirect Object > Oblique > Genitive > Object of comparative

Ergative–absolutive languages have a similar hierarchy:

Absolutive > Ergative > Indirect Object > etc. (same as above)

This order is called the accessibility hierarchy. If a language can relativize positions lower in the accessibility hierarchy, it can always relativize positions higher up, but not vice versa. For example, Malagasy can relativize only subject and Chukchi only absolutive arguments, whilst Basque can relativize absolutives, ergatives and indirect objects, but not obliques or genitives or objects of comparatives. Similar hierarchies have been proposed in other circumstances, e.g. for pronominal reflexes.

English can relativize all positions in the hierarchy. Here are some examples of the NP and relative clause usage from English:

Some other examples:

Languages that cannot relativize directly on noun phrases low in the accessibility hierarchy can sometimes use alternative voices to "raise" the relevant noun phrase so that it can be relativized. The most common example is the use of applicative voices to relativize obliques, but in such languages as Chukchi antipassives are used to raise ergative arguments to absolutive.

For example, a language that can relativize only subjects could say this:

• The girl came to visit.

But not:

• The girl came to visit.
• The girl came to visit.
• The girl came to visit.
• The girl came to visit.
• The girl came to visit. (equivalent to previous)
• The girl came to visit.

These languages might form an equivalent sentence by passivization:

• The girl came to visit.
• The girl came to visit.
• The girl came to visit.
• The girl came to visit.
• The girl came to visit.

These passivized sentences get progressively more ungrammatical in English as they move down the accessibility hierarchy; the last two, in particular, are so ungrammatical as to be almost unparsable by English speakers. But languages with severe restrictions on which roles can be relativized are precisely those that can passivize almost any position, and hence the last two sentences would be normal in those languages.

A further example is languages that can relativize only subjects and direct objects. Hence the following would be possible:

• The girl came to visit.

The other ungrammatical examples above would still be ungrammatical. These languages often allow an oblique object to be moved to the direct object slot by the use of the so-called applicative voice, much as the passive voice moves an oblique object to the subject position. The above examples expressed in an applicative voice might be similar to the following (in not necessarily grammatical English):

• The girl came to visit.
• The girl came to visit.
• The girl came to visit.
• The girl came to visit.

Modern grammars may use the accessibility hierarchy to order productions—e.g. in Head-Driven Phrase Structure Grammar the hierarchy corresponds to the order of elements on the subcat list, and interacts with other principles in explanations of binding facts. The hierarchy also figures in Lexical Functional Grammar, where it is known as Syntactic Rank or the Relational Hierarchy.

Examples

Indo-European languages

English

In English, a relative clause follows the noun it modifies. It is generally indicated by a relative pronoun at the start of the clause, although sometimes simply by word order. If the relative pronoun is the object of the verb in the relative clause, it comes at the beginning of the clause even though it would come at the end of an independent clause ("She is the woman whom I saw", not "She is the woman I saw whom").

The choice of relative pronoun can be affected by whether the clause modifies a human or non-human noun, by whether the clause is restrictive or not, and by the role (subject, direct object, or the like) of the relative pronoun in the relative clause.

• For a human antecedent, "who", "whom", or "that" is usually used ("She is the person who saw me", "He is the person whom I saw", "He is the person that I saw"). For a non-human antecedent, only "that" or "which" is used.
• For a non-human antecedent in a non-restrictive clause, only "which" is used ("The tree, which fell, is over there"); while either "which" or "that" may be used in a restrictive clause ("The tree which fell is over there", "The tree that fell is over there")—but some styles and prescriptive grammars require the use of "that" in the restrictive context.
• Of the relative pronoun pair "who" and "whom", the subjective case form ("who") is used if it is the subject of the relative clause ("She is the police officer who saw me"); and, in formal usage, the objective case form ("whom") if it is the object of the verb or preposition in the relative clause ("She is the police officer whom I saw", "She is the police officer whom I talked to", "She is the officer to whom I talked"); but in informal usage "whom" is often replaced by "who".

In English, as in some other languages (such as French; see below), non-restrictive relative clauses are set off with commas, but restrictive ones are not:

• "I met a woman and a man yesterday. The woman, who had a thick French accent, was very tall." (non-restrictive—does not narrow down who is being talked about)
• "I met two women yesterday, one with a thick French accent and one with a mild Italian one. The woman who had the thick French accent was very tall." (restrictive—adds information about who is being referred to)

The status of "that" as a relative pronoun is not universally agreed. Traditional grammars treat "that" as a relative pronoun, but not all contemporary grammars do: e.g. the Cambridge Grammar of the English Language (pp. 1056–7) makes a case for treating "that" as a subordinator instead of a relative pronoun; and the British National Corpus treats "that" as a subordinating conjunction even when it introduces relative clauses. One motivation for the different treatment of "that" is that there are differences between "that" and "which" (e.g., one can say "in which" but not "in that", etc.).

French

The system of relative pronouns in French is as complicated as, but similar in many ways to, the system in English.

When the pronoun is to act as the direct object of the relative clause, que is generally used, although lequel, which is inflected for grammatical gender and number, is sometimes used in order to give more precision. For example, any of the following is correct and would translate to "I talked to his/her father and mother, whom I already knew":

J'ai parlé avec son père et sa mère, laquelle (f. sing.) je connaissais déjà.

J'ai parlé avec son père et sa mère, lesquels (m. pl.) je connaissais déjà.

J'ai parlé avec son père et sa mère, que je connaissais déjà.

However, in the first sentence, "whom I already knew" refers only to the mother; in the second, it refers to both parents; and in the third, as in the English sentence, it could refer either only to the mother, or to both parents.

When the pronoun is to act as the subject of the relative clause, qui is generally used, though as before, lequel may be used instead for greater precision. (This is less common than the use of lequel with direct objects, however, since verbs in French often reflect the grammatical number of their subjects.)

Contrary to English, the relative pronoun can never be omitted in French, not even when the relative clause is embedded in another relative clause.

Here is what I think Ø happened.

Voilà ce que je crois qui est arrivé. (literally: "Here is what I think that happened.")

When the pronoun is to act in a possessive sense, where the preposition de (of/from) would normally be used, the pronoun dont ("whose") is used, but does not act as a determiner for the noun "possessed":

J'ai parlé avec une femme dont le fils est mon collègue. ("I spoke with a woman whose son I work with." - lit., "I spoke with a woman of whom the son is my colleague.")

This construction is also used in non-possessive cases where the pronoun replaces an object marked by de:

C'est l'homme dont j'ai parlé. ("That's the man of whom I spoke.")

More generally, in modern French, dont can signal the topic of the following clause, without replacing anything in this clause:

C'est un homme dont je crois qu'il doit très bien gagner sa vie. ("That's a man about whom I believe that he must make a lot of money.")

When the pronoun is to act as the object of a preposition (other than when dont is used), lequel is generally used, though qui can be used if the antecedent is human.

Ce sont des gens sur lesquels on peut compter. ("These are people that can be depended on.")

Ce sont des gens sur qui on peut compter.

C'est une table sur laquelle on peut mettre beaucoup de choses. ("This is a table on which you can put a lot of things".)

*C'est une table sur qui on peut mettre beaucoup de choses.

There exists a further complication when the antecedent is a non-human indefinite pronoun. In that case, lequel cannot be used because it must agree in gender with its head, and an indefinite pronoun has no gender. Instead, quoi, which usually means "what", is used.

C'est manifestement quelque chose à quoi il a beaucoup réfléchi. ("This is obviously something that he has thought a lot about .")

*C'est manifestement quelque chose à laquelle il a beaucoup réfléchi.

The same happens when the antecedent is an entire clause, also lacking gender.

Il m'a dit d'aller me faire voir, à quoi j'ai répondu que... ("He told me to get lost, to which I replied that ...")

The preposition always appears before the pronoun, and the prepositions de and à (at/to) contract with lequel to form duquel and auquel, or with lesquel(le)s to form desquel(le)s and auxquel(le)s.

German

Aside from their highly inflected forms, German relative pronouns are less complicated than English. There are two varieties. The more common one is based on the definite article der, die, das, but with distinctive forms in the genitive (dessen, deren) and in the dative plural (denen). Historically this is related to English that. The second, which is more literary and used for emphasis, is the relative use of welcher, welche, welches, comparable with English which. As in most Germanic languages, including Old English, both of these varieties inflect according to gender, case and number. They take their gender and number from the noun which they modify, but the case from their function in their own clause.

Das Haus, in dem ich wohne, ist sehr alt.

The house in which I live is very old.

The relative pronoun dem is neuter singular to agree with Haus, but dative because it follows a preposition in its own clause. On the same basis, it would be possible to substitute the pronoun welchem.

However, German uses the uninflecting was ('what') as a relative pronoun when the antecedent is alles, etwas or nichts ('everything', 'something', 'nothing').

Alles, was Jack macht, gelingt ihm.

Everything that Jack does is a success.

In German, all relative clauses are marked with commas.

Alternatively, particularly in formal registers, participles (both active and passive) can be used to embed relative clauses in adjectival phrases:

Die von ihm in jenem Stil gemalten Bilder sind sehr begehrt

The pictures he painted in that style are highly sought after

Die Regierung möchte diese im letzten Jahr eher langsam wachsende Industrie weiter fördern

The government would like to further promote this industry, which has grown rather slowly over the last year.

Unlike English, which only permits relatively small participle phrases in adjectival positions (typically just the participle and adverbs), and disallows the use of direct objects for active participles, German sentences of this sort can embed clauses of arbitrary complexity.

Spanish

Latin

In Latin, relative clauses follow the noun phrases they modify, and are always introduced using relative pronouns. Relative pronouns, like other pronouns in Latin, agree with their antecedents in gender and number, but not in case: a relative pronoun's case reflects its role in the relative clause it introduces, while its antecedent's case reflects the antecedent's role in the clause that contains the relative clause. (Nonetheless, it is possible for the pronoun and antecedent to be in the same case.) For example:

Urbēs, quae sunt magnae, videntur. (The cities, which are large, are being seen.)

Urbēs, quās vīdī, erant magnae. (The cities, which I saw, were large.)

In the former example, urbēs and quae both function as subjects in their respective clauses, so both are in the nominative case; and due to gender and number agreement, both are feminine and plural. In the latter example, both are still feminine and plural, and urbēs is still in the nominative case, but quae has been replaced by quās, its accusative-case counterpart, to reflect its role as the direct object of vīdī.

For more information on the forms of Latin relative pronouns, see the section on relative pronouns in the article on Latin declension.

Ancient Greek

Ancient Greek follows (almost) the same rules as Latin.

αἱ

hai

πόλεις,

póleis,

ἃς

hàs

εἶδον,

eîdon,

μεγάλαι

megálai

εἰσίν.

eisin.

αἱ πόλεις, ἃς εἶδον, μεγάλαι εἰσίν.

hai póleis, hàs eîdon, megálai eisin.

The cities, which I saw are large.

However, there is a phenomenon in Ancient Greek called case attraction, where the case of the relative pronoun can be "attracted" to the case of its antecedent.

ἄξιοι

áxioi

τῆς

tês

ἐλευθερίας

eleutheríās

ἧς

hês

κέκτησθε

kéktēsthe

ἄξιοι τῆς ἐλευθερίας ἧς κέκτησθε

áxioi tês eleutheríās hês kéktēsthe

Worthy of the freedom (lit. of which) you have obtained. = Worthy of the freedom which you have obtained.

In this example, although the relative pronoun should be in the accusative case, as the object of "obtain", it is attracted to the genitive case of its antecedent ("of the freedom...").

The Ancient Greek relative pronoun ὅς, ἥ, ὅ (hós, hḗ, hó) is unrelated to the Latin word, since it derives from Proto-Indo-European *yos: in Proto-Greek, y before a vowel usually changed to h (debuccalization). Cognates include Sanskrit relative pronouns yas, yā, yad (where o changed to short a).

The Greek definite article ὁ, ἡ, τό (ho, hē, tó) has a different origin, since it is related to the Sanskrit demonstrative sa, sā and Latin is-tud.

Information that in English would be encoded with relative clauses could be represented with complex participles in Ancient Greek. This was made particularly expressive by the rich suite of participles available, with active and passive participles in present, past and future tenses. This is called the attributive participle.

Serbo-Croatian

Serbo-Croatian uses exactly the same principle as Latin does. The following sentences are the Latin examples translated to Serbo-Croatian (the same sentences apply to the Croatian, Serbian, Bosnian, and Montenegrin standard variants of the pluricentric language):

Gradovi,

the cities:NOM.M.PL

koji

which:NOM.M.PL

su

are:PR.3.PL

veliki,

large:NOM.M.PL

vide

see:PR.3.PL

se.

itself:REFL

Gradovi, koji su veliki, vide se.

{the cities:NOM.M.PL} which:NOM.M.PL are:PR.3.PL large:NOM.M.PL see:PR.3.PL itself:REFL

"The cities, which are large, are being seen."

Gradovi,

the cities:NOM.M.PL

koje

which:ACC.M.PL

sam

I am:AUX.1.SG

vidio,

saw:AP.M.SG

bili

were:AP.M.PL

su

are:AUX.3.PL

veliki.

large:NOM.M.PL

Gradovi, koje sam vidio, bili su veliki.

{the cities:NOM.M.PL} which:ACC.M.PL {I am:AUX.1.SG} saw:AP.M.SG were:AP.M.PL are:AUX.3.PL large:NOM.M.PL

"The cities, which I saw, were large."

In the first sentence, koji is in the nominative, and in the second koje is in the accusative. Both words are two case forms of the same relative pronoun, that is inflicted for gender (here: masculine), number (here: plural), and case.

An alternative relativizing strategy is the use of the non-declinable word što 'that' to introduce a relative clause. This word is used together with a resumptive pronoun, i.e. a personal pronoun that agrees in gender and number with the antecedent, while its case form depends on its function in the relative clause. The resumptive pronoun never appears in subject function.

Onaj

that:NOM.M.SG

poznanik

acquaintance:NOM.M.SG

što

that

si

be:AUX.2.SG

ga

him:ACC

pozdravio...

greet:AP.M.SG

Onaj poznanik što si ga pozdravio...

that:NOM.M.SG acquaintance:NOM.M.SG that be:AUX.2.SG him:ACC greet:AP.M.SG

"That acquaintance that (whom) you have said 'hello' to..."

Relative clauses are relatively frequent in modern Serbo-Croatian since they have expanded as attributes at the expense of the participles performing that function. The most frequently used relative pronoun is koji. There are several ongoing changes concerning koji. One of them is the spread of the genitive-accusative syncretism to the masculine inanimate of the pronoun. The cause lies in the necessity to disambiguate the subject and the object by morphological means. The nominative-accusative syncretism of the form koji is inadequate, so the genitive form kojeg is preferred:

Auto

car:NOM/ACC.M.SG

koji

which:NOM/ACC.M.SG

je

be:AUX.3.SG

udario

hit:AP.M.SG

autobus

bus:NOM/ACC.M.SG

Auto koji je udario autobus

car:NOM/ACC.M.SG which:NOM/ACC.M.SG be:AUX.3.SG hit:AP.M.SG bus:NOM/ACC.M.SG

Auto

car:NOM/ACC.M.SG

kojeg

which:ACC/GEN.M.SG

je

be:AUX.3.SG

udario

hit:AP.M.SG

autobus

bus:NOM/ACC.M.SG

Auto kojeg je udario autobus

car:NOM/ACC.M.SG which:ACC/GEN.M.SG be:AUX.3.SG hit:AP.M.SG bus:NOM/ACC.M.SG

"Car hit by bus"

Celtic languages

The Celtic languages (at least the modern Insular Celtic languages) distinguish two types of relative clause: direct relative clauses and indirect relative clauses. A direct relative clause is used where the relativized element is the subject or the direct object of its clause (e.g. "the man who saw me", "the man whom I saw"), while an indirect relative clause is used where the relativized element is a genitival (e.g. "the man whose daughter is in the hospital") or is the object of a preposition (e.g. "the man to whom I gave the book"). Direct relative clauses are formed with a relative pronoun (unmarked for case) at the beginning; a gap (in terms of syntactic theory, a trace, indicated by (t) in the examples below) is left in the relative clause at the pronoun's expected position.

Irish

an

the

fear

man

a

DIR-REL

chonaic

saw

(t)

mé

me

an fear a chonaic (t) mé

the man DIR-REL saw {} me

"the man who saw me"

Welsh

y

the

dyn

man

a

DIR-REL

welais

I saw

y dyn a welais

the man DIR-REL {I saw}

"the man whom I saw"

The direct relative particle "a" is not used with "mae" ("is") in Welsh; instead the form "sydd" or "sy'" is used:

y

the

dyn

man

sy'n

DIR-REL + is

blewog

hairy

iawn

very

y dyn sy'n blewog iawn

the man {DIR-REL + is} hairy very

"the man who is very hairy"

There is also a defective verb "piau" (usually lenited to "biau"), corresponding to "who own(s)":

y

the

dyn

man

piau

DIR-REL + owns

castell

castle

anferth

huge

y dyn piau castell anferth

the man {DIR-REL + owns} castle huge

"the man who owns a huge castle"

Indirect relative clauses are formed with a relativizer at the beginning; the relativized element remains in situ in the relative clause.

Irish

an

the

fear

man

a

IND-REL

bhfuil

is

a

his

iníon

daughter

san

in the

ospidéal

hospital

an fear a bhfuil a iníon san ospidéal

the man IND-REL is his daughter {in the} hospital

"the man whose daughter is in the hospital"

Welsh

y

the

dyn

man

y

IND-REL

rhois

I gave

y

the

llyfr

book

iddo

to him

y dyn y rhois y llyfr iddo

the man IND-REL {I gave} the book {to him}

"the man to whom I gave the book"

Although both the Irish relative pronoun and the relativizer are 'a', the relative pronoun triggers lenition of a following consonant, while the relativizer triggers eclipsis (see Irish initial mutations).

Both direct and indirect relative particles can be used simply for emphasis, often in answer to a question or as a way of disagreeing with a statement. For instance, the Welsh example above, "y dyn a welais" means not only "the man whom I saw", but also "it was the man (and not anyone else) I saw"; and "y dyn y rhois y llyfr iddo" can likewise mean "it was the man (and not anyone else) to whom I gave the book".

Semitic languages

Hebrew

In Biblical Hebrew, relative clauses were headed with the word asher, which could be either a relative pronoun or a relativizer. In later times, asher became interchangeable with the prefix she- (which is also used as a conjunction, with the sense of English that), and in Modern Hebrew, this use of she- is much more common than asher, except in some formal, archaic, or poetic writing. In meaning, the two are interchangeable; they are used regardless of whether the clause is modifying a human, regardless of their grammatical case in the relative clause, and regardless of whether the clause is restrictive.

Further, because Hebrew does not generally use its word for is, she- is used to distinguish adjective phrases used in epithet from adjective phrases used in attribution:

Ha-kise l'-yad-ekh. ("The chair is next to you." - lit., "The-chair next-to-you.")

Ha-kise she-l'-yad-ekh shavur. ("The chair next to you is broken."—lit., "The-chair that--next-to-you broken.")

(This use of she- does not occur with simple adjectives, as Hebrew has a different way of making that distinction. For example, Ha-kise adom means "The chair red", while Ha-kis'e ha-adom shavur means "The red chair is broken"—literally, "The chair the red broken.")

Since 1994, the official rules of Modern Hebrew (as determined by the Academy of the Hebrew Language) have stated that relative clauses are to be punctuated in Hebrew the same way as in English (described above). That is, non-restrictive clauses are to be set off with commas, while restrictive clauses are not:

Ha-kise, she-at yoshevet alav, shavur. ("The chair, which you are sitting on, is broken.")

Ha-kise she-at yoshevet alav shavur. ("The chair that you are sitting on is broken.")

Nonetheless, many speakers of Modern Hebrew still use the pre-1994 rules, which were based on the German rules (described above). Except for the simple adjective-phrase clauses described above, these speakers set off all relative clauses, restrictive or not, with commas:

Ha-kise, she-at yoshevet alav, shavur. ("The chair that you are sitting on is broken," or "The chair, which you are sitting on, is broken.")

One major difference between relative clauses in Hebrew and those in (for example) English is that in Hebrew, what might be called the "regular" pronoun is not always suppressed in the relative clause. To reuse the prior example:

Ha-kise, she-at yoshevet alav, shavur. (lit., "The chair, which you are sitting on it, broken.")

More specifically, if this pronoun is the subject of the relative clause, it is always suppressed. If it is the direct object, then it is usually suppressed, though it is also correct to leave it in. (If it is suppressed, then the special preposition et, used to mark the direct object, is suppressed as well.) If it is the object of a preposition, it must be left in, because in Hebrew—unlike in English—a preposition cannot appear without its object. When the pronoun is left in, she- might more properly be called a relativizer than a relative pronoun.

The Hebrew relativizer she- 'that' "might be a shortened form of the Hebrew relativizer ‘asher 'that', which is related to Akkadian ‘ashru 'place' (cf. Semitic *‘athar). Alternatively, Hebrew ‘asher derived from she-, or it was a convergence of Proto-Semitic dhu (cf. Aramaic dī) and ‘asher Whereas Israeli she- functions both as complementizer and relativizer, ashér can only function as a relativize."

Arabic

Literary Arabic

In Modern Standard and Classical Arabic there is a relative pronoun (in Arabic: الاسم الموصول al-ism al-mawṣūl) allaḏī (masculine singular), feminine singular allatī, masculine plural allaḏīna, feminine plural allawātī, masculine dual allaḏānī (nominative) / allaḏayni (accusative and genitive), feminine dual allatānī (nom.) / allataynī (acc. and gen.).

Its usage has two specific rules: it agrees with the antecedent in gender, number and case, and it is used only if the antecedent is definite. If the antecedent is indefinite, no relative pronoun is used. The former is called jumlat sila (conjunctive sentence) while the latter is called jumlat sifa (descriptive sentence).

الفتى

al-fatā

الذي

(a)lladhi

رأيته

ra’aytuhu

في

fī

الصف

(a)ṣ-ṣaffi

أمس

’amsi

غائب

ġā’ibun

اليوم

al-yawma

الفتى الذي رأيته في الصف أمس غائب اليوم

al-fatā (a)lladhi ra’aytuhu fī (a)ṣ-ṣaffi ’amsi ġā’ibun al-yawma

"The boy I saw in class yesterday is missing today". (relative pronoun present)

هذا

hāḏā

فتًى

fatan

رأيته

ra’aytu-hu

في

fī

الصف

(a)ṣ-ṣaffi

أمس

’amsi

هذا فتًى رأيته في الصف أمس

hāḏā fatan ra’aytu-hu fī (a)ṣ-ṣaffi ’amsi

"This is a boy I saw in class yesterday". (relative pronoun absent)

Colloquial Arabic

In Colloquial Arabic the multiple forms of the relative pronoun have been levelled in favour of a single form, a simple conjunction, which in most dialects is illi, and is never omitted. So in Palestinian Arabic the above sentences would be:

• alwalad illi shuftō fi (a)ssaff embārih ghāyeb alyōm
• hāda walad illi shuftō fi (a)ssaff embārih

As in Hebrew, the regular pronoun referring to the antecedent is repeated in the relative clause - literally, "the boy whom I saw him in class..." (the -hu in ra'aituhu and the -ō in shuftō). The rules of suppression in Arabic are identical to those of Hebrew: obligatory suppression in the case that the pronoun is the subject of the relative clause, obligatory retention in the case that the pronoun is the object of a preposition, and at the discretion of the speaker if the pronoun is the direct object. The only difference from Hebrew is that, in the case of the direct object, it is preferable to retain the pronoun rather than suppress it.

Japonic languages

Japanese

Japanese does not employ relative pronouns to relate relative clauses to their antecedents. Instead, the relative clause directly modifies the noun phrase as an attributive verb, occupying the same syntactic space as an attributive adjective (before the noun phrase).

この

kono

おいしい

oishii

天ぷら

tempura

この おいしい 天ぷら

kono oishii tempura

"this delicious tempura"

姉が

ane-ga

sister-SUBJ

作った

tsukutta

make-PAST

天ぷら

tempura

tempura

姉が 作った 天ぷら

ane-ga tsukutta tempura

sister-SUBJ make-PAST tempura

"the tempura my sister made"

天ぷらを

tempura-o

tempura-OBJ

食べた

tabeta

eat-PAST

人

hito

person

天ぷらを 食べた 人

tempura-o tabeta hito

tempura-OBJ eat-PAST person

"the person who ate the tempura"

In fact, since so-called i-adjectives in Japanese can be analyzed as intransitive stative verbs, it can be argued that the structure of the first example (with an adjective) is the same as the others. A number of "adjectival" meanings, in Japanese, are customarily shown with relative clauses consisting solely of a verb or a verb complex:

光っている

hikatte-iru

lit-be

ビル

biru

building

光っている ビル

hikatte-iru biru

lit-be building

"an illuminated building"

濡れている

nurete-iru

get_wet-be

犬

inu

dog

濡れている 犬

nurete-iru inu

get_wet-be dog

"a wet dog"

Often confusing to speakers of languages which use relative pronouns are relative clauses which would in their own languages require a preposition with the pronoun to indicate the semantic relationship among the constituent parts of the phrase.

紅茶を

kōcha-o

tea-OBJ

淹れる

ireru

make

ため

tame

purpose

に

ni

for

お湯を

oyu-o

hot-water-OBJ

沸かした

wakashita

boiled

やかん

yakan

kettle

紅茶を 淹れる ため に お湯を 沸かした やかん

kōcha-o ireru tame ni oyu-o wakashita yakan

tea-OBJ make purpose for hot-water-OBJ boiled kettle

"the kettle I boiled water in for tea"

Here, the preposition "in" is missing from the Japanese ("missing" in the sense that the corresponding postposition would be used with the main clause verb in Japanese). Common sense indicates what the meaning is in this case, but the "missing preposition" can sometimes create ambiguity.

天ぷらを

tempura-o

tempura-OBJ

作った

tsukutta

made

人

hito

person

天ぷらを 作った 人

tempura-o tsukutta hito

tempura-OBJ made person

(1) "the person who made the tempura"
(2) "the person made the tempura for"

In this case, (1) is the context-free interpretation of choice, but (2) is possible with the proper context.

僕が

boku-ga

I-SUBJ

記事を

kiji-o

article-OBJ

書いた

kaita

wrote

レストラン

resutoran

restaurant

僕が 記事を 書いた レストラン

boku-ga kiji-o kaita resutoran

I-SUBJ article-OBJ wrote restaurant

(1) "a restaurant about which I wrote an article"
(2) "a restaurant in which I wrote an article"

Without more context, both (1) and (2) are equally viable interpretations of the Japanese sentence.

Caucasian languages

Georgian

In Georgian, there are two strategies for forming relative clauses. The first is similar to that of English or Latin: the modified noun is followed by a relativizer that inflects for its embedded case and may take a postposition. The relativized noun may be preceded by a determiner.

(ის)

(is)

(that.NOM)

კაცი,

ḳac-i,

man-NOM

რომელიც

romel-i-c

which-NOM-REL

პარკში

ṗarḳ=ši

park=to

წავიდა,

c̣avida,

he.went

გაზეთს

gazet-s

newspaper-DAT

კითხულობს

ḳitxulobs

he.reads.it

(ის) კაცი, რომელიც პარკში წავიდა, გაზეთს კითხულობს

(is) ḳac-i, romel-i-c ṗarḳ=ši c̣avida, gazet-s ḳitxulobs

(that.NOM) man-NOM which-NOM-REL park=to he.went newspaper-DAT he.reads.it

"the man who went to the park is reading the newspaper."

(ის)

(is)

(that.NOM)

ქალი,

kal-i,

woman-NOM

რომელსაც

romel-sa-c

which-DAT-REL

წერილს

c̣eril-s

letter-DAT

დავუწერ,

davuc̣er,

I.will.write.it.to.her

თბილისში

tbilis=ši

Tbilisi-in

ცხოვრობს

cxovrobs

she.lives

(ის) ქალი, რომელსაც წერილს დავუწერ, თბილისში ცხოვრობს

(is) kal-i, romel-sa-c c̣eril-s davuc̣er, tbilis=ši cxovrobs

(that.NOM) woman-NOM which-DAT-REL letter-DAT I.will.write.it.to.her Tbilisi-in she.lives

"the woman who I will write a letter to lives in Tbilisi."

ნინომ

Nino-m

Nino-ERG

(ის)

(is)

(that.NOM)

სკამი,

sḳam-i,

chair-NOM

რომელზეც

romel=ze-c

which=on-REL

ვზივარ,

vzivar,

I.sit

იყიდა

iqida

she.bought.it

ნინომ (ის) სკამი, რომელზეც ვზივარ, იყიდა

Nino-m (is) sḳam-i, romel=ze-c vzivar, iqida

Nino-ERG (that.NOM) chair-NOM which=on-REL I.sit she.bought.it

"Nino bought the chair I am sitting in."

A second, more colloquial, strategy is marked by the invariant particle რომ rom. This particle is generally the second word of the clause, and since it does not decline, is often followed by the appropriately cased third-person pronoun to show the relativized noun's role in the embedded clause. A determiner precedes the relativized noun, which is also usually preceded by the clause as a whole.

წერილს

c̣̣eril-s

letter-DAT

რომ

rom

REL

მას

mas

3S.DAT

დავუწერ,

davuc̣̣er,

I.will.write.it.to.her

ის

is

that.NOM

ქალი

kal-i

woman-NOM

თბილისში

tbilis=ši

Tbilisi-in

ცხოვრობს

cxovrobs

she.lives

წერილს რომ მას დავუწერ, ის ქალი თბილისში ცხოვრობს

c̣̣eril-s rom mas davuc̣̣er, is kal-i tbilis=ši cxovrobs

letter-DAT REL 3S.DAT I.will.write.it.to.her that.NOM woman-NOM Tbilisi-in she.lives

"the woman who I will write a letter to lives in Tbilisi."

მე

me

1S

რომ

rom

REL

მასზე

mas=ze

3S.DAT=on

ვზივარ,

vzivar,

I.sit

ის

is

that.NOM

სკამი

sḳam-i

chair-NOM

ნინომ

Nino-m

Nino-ERG

იყიდა

iqida

she.bought.it

მე რომ მასზე ვზივარ, ის სკამი ნინომ იყიდა

me rom mas=ze vzivar, is sḳam-i Nino-m iqida

1S REL 3S.DAT=on I.sit that.NOM chair-NOM Nino-ERG she.bought.it

"Nino bought the chair I am sitting in."

Such relative clauses may be internally headed. In such cases, the modified noun moves into the clause, taking the appropriate declension for its role therein (thus eliminating the need for the third person pronouns in the above examples), and leaves behind the determiner (which now functions as a pronoun) in the matrix clause.

ქალს

kal-s

woman-DAT

რომ

rom

REL

წერილს

c̣̣eril-s

letter-DAT

დავუწერ,

davuc̣̣er,

I.will.write.it.to.her

ის

is

3S.NOM

თბილისში

tbilis=ši

Tbilisi-in

ცხოვრობს

cxovrobs

she.lives

ქალს რომ წერილს დავუწერ, ის თბილისში ცხოვრობს

kal-s rom c̣̣eril-s davuc̣̣er, is tbilis=ši cxovrobs

woman-DAT REL letter-DAT I.will.write.it.to.her 3S.NOM Tbilisi-in she.lives

"the woman who I will write a letter to lives in Tbilisi."

Austronesian languages

Indonesian

Indonesian, a zero-copula language that does not mark verb tense, allows a variety of types of relative clause, normally restrictive. They are usually introduced by the relative pronoun yang, which stands for "who"/"which"/"what"/"that".

orang

person

yang

who

membangun

build

rumah

house

itu

that

orang yang membangun rumah itu

person who build house that

"the person who built/is building that house"

Yang is not allowed as the object of a relative clause, so that Indonesian cannot exactly reproduce structures such as "the house that Jack built". Instead, a passive form of construction must be used:

rumah

house

yang

that

dibangun

built

Jack

Jack

rumah yang dibangun {} Jack

house that built Jack

Relative clauses with no antecedent to yang are possible:

yang

what

paling

most

mengejutkan

surprising

warnanya

its-colour

yang paling mengejutkan warnanya

what most surprising its-colour

"what is most surprising is its colour"

yang

what

didengarnya

heard-by-him

mengejutkan

surprising

sekali

very

yang didengarnya mengejutkan sekali

what heard-by-him surprising very

"what he heard was very surprising"

Tagalog

Tagalog uses the gapping strategy to form relative clauses, with the complementizer, na / =ng 'that', separating the head, which is the noun being modified, from the actual relative clause. In (1a) below, lalaki 'man' serves as the head, while nagbigay ng bigas sa bata 'gave rice to the child' is the relative clause.

lalaki

man

=ng

COMP

nagbigay

ACT.gave

____

ng

ACC

bigas

rice

sa

DAT

bata

child

lalaki =ng nagbigay ____ ng bigas sa bata

man COMP ACT.gave {} ACC rice DAT child

"man that gave rice to the child"

Nagbigay

ACT.gave

ang

NOM

lalaki

man

ng

ACC

bigas

rice

sa

DAT

bata.

child

Nagbigay ang lalaki ng bigas sa bata.

ACT.gave NOM man ACC rice DAT child

"The man gave rice to the child."

The gap inside the relative clause corresponds to the position that the noun acting as the head would have normally taken, had it been in a declarative sentence. In (1a), the gap is in subject position within the relative clause. This corresponds to the subject position occupied by ang lalaki 'the man' in the declarative sentence in (1b).

There is a constraint in Tagalog on the position from which a noun can be relativized and in which a gap can appear: A noun has to be the subject within the relative clause in order for it to be relativized. The phrases in (2) are ungrammatical because the nouns that have been relativized are not the subjects of their respective relative clauses. In (2a), the gap is in direct object position, while in (2b), the gap is in indirect object position.

*

bigas

rice

na

COMP

nagbigay

ACT.gave

ang

NOM

lalaki

man

____

sa

DAT

bata

child

* bigas na nagbigay ang lalaki ____ sa bata

{} rice COMP ACT.gave NOM man {} DAT child

for: "rice that the man gave to the child"

*

bata

child

=ng

COMP

nagbigay

ACT.gave

ang

NOM

lalaki

man

ng

ACC

bigas

rice

____

* bata =ng nagbigay ang lalaki ng bigas ____

{} child COMP ACT.gave NOM man ACC rice {}

for: "child that the man gave rice to"

The correct Tagalog translations for the intended meanings in (2) are found in (3), where the verbs have been passivized in order to raise the logical direct object in (3a) and the logical indirect object in (3b) to subject position. (Tagalog can have more than one passive voice form for any given verb.)

bigas

rice

na

COMP

ibinigay

PAS.gave

ng

GEN

lalaki

man

sa

DAT

bata

child

bigas na ibinigay ng lalaki sa bata

rice COMP PAS.gave GEN man DAT child

"rice that the man gave to the child"
(or: "rice that was given to the child by the man")

bata

child

=ng

COMP

binigyan

gave.PAS

ng

GEN

lalaki

man

ng

ACC

bigas

rice

bata =ng binigyan ng lalaki ng bigas

child COMP gave.PAS GEN man ACC rice

"child that the man gave rice to"
(or: "child that was given rice to by the man")

Tagalog relative clauses can be left-headed, as in (1a) and (3), right-headed, as in (4), or internally headed, as in (5).

nagbigay

ACT.gave

ng

ACC

bigas

rice

sa

DAT

bata

child

na

COMP

lalaki

man

nagbigay ng bigas sa bata na lalaki

ACT.gave ACC rice DAT child COMP man

"man that gave rice to the child"

nagbigay

ACT.gave

na

COMP

lalaki

man

ng

ACC

bigas

rice

sa

DAT

bata

child

nagbigay na lalaki ng bigas sa bata

ACT.gave COMP man ACC rice DAT child

"man that gave rice to the child"

nagbigay

ACT.gave

ng

ACC

bigas

rice

na

COMP

lalaki

man

sa

DAT

bata

child

nagbigay ng bigas na lalaki sa bata

ACT.gave ACC rice COMP man DAT child

"man that gave rice to the child"

In (4), the head, lalaki 'man', is found after or to the right of the relative clause, nagbigay ng bigas sa bata 'gave rice to the child'. In (5), the head is found in some position inside the relative clause. When the head appears to the right of or internally to the relative clause, the complementizer appears to the left of the head. When the head surfaces to the left of the relative clause, the complementizer surfaces to the right of the head.

There are exceptions to the subjects-only constraint to relativization mentioned above. The first involves relativizing the possessor of a noun phrase within the relative clause.

bata

child

=ng

COMP

nasugatan

injured.PAS

ang

NOM

daliri

finger

____

bata =ng nasugatan ang daliri ____

child COMP injured.PAS NOM finger {}

"child whose finger was injured"

In (6), the head, bata 'child', is the owner of the injured finger. The phrase ang daliri 'the finger' is the subject of the verb, nasugatan 'was injured'.

Another exception involves relativizing the oblique noun phrase.

ospital

hospital

(na)

COMP

kung

Q-COMP

saan

where

ipinanganak

PAS.bore

si

NOM

Juan

Juan

ospital (na) kung saan ipinanganak si Juan

hospital COMP Q-COMP where PAS.bore NOM Juan

"hospital where Juan was born"

Nagtanong

ACT.asked

siya

3SG.NOM

kung

Q-COMP

saan

where

ipinanganak

PAS.bore

si

NOM

Juan.

Juan

Nagtanong siya kung saan ipinanganak si Juan.

ACT.asked 3SG.NOM Q-COMP where PAS.bore NOM Juan

"She asked where Juan was born."

Ipinanganak

PAS.bore

si

NOM

Juan

Juan

sa

LOC

ospital.

hospital

Ipinanganak si Juan sa ospital.

PAS.bore NOM Juan LOC hospital

"Juan was born at the hospital."

Saan

where

ipinanganak

PAS.bore

si

NOM

Juan?

Juan

Saan ipinanganak si Juan?

where PAS.bore NOM Juan

"Where was Juan born?"

When an oblique noun phrase is relativized, as in (7a), na 'that', the complementizer that separates the head from the relative clause, is optional. The relative clause itself is also composed differently. In the examples in (1a), and in (3) to (6), the relative clauses are simple declaratives that contain a gap. However, the relative clause in (7a) looks more like an indirect question, complete with the interrogative complementizer, kung 'if', and a pre-verbally positioned WH-word like saan 'where', as in (7b). The sentence in (7c) is the declarative version of the relative clause in (7a), illustrating where the head, ospital 'hospital', would have been "before" relativization. The question in (7d) shows the direct question version of the subordinate indirect question in (7b).

Hawaiian

Relative clauses in Hawaiian are avoided unless they are short.

If in English a relative clause would have a copula and an adjective, in Hawaiian the antecedent is simply modified by the adjective: "The honest man" instead of "the man who is honest". If the English relative clause would have a copula and a noun, in Hawaiian an appositive is used instead: "Paul, an apostle" instead of "Paul, who was an apostle".

If the English relative pronoun would be the subject of an intransitive or passive verb, in Hawaiian a participle is used instead of a full relative clause: "the people fallen" instead of "the people who fell"; "the thing given" instead of "the thing that was given". But when the relative clause's antecedent is a person, the English relative pronoun would be the subject of the relative clause, and the relative clause's verb is active and transitive, a relative clause is used and it begins with the relative pronoun nana: The one who me (past) sent = "the one who sent me".

If in English a relative pronoun would be the object of a relative clause, in Hawaiian the possessive form is used so as to treat the antecedent as something possessed: the things of me to have seen = "the things that I saw"; Here is theirs to have seen = This is what they saw".

Andean languages

Aymara

thuquñap

dance-INF-3.POSS

punchu

poncho

thuquñap punchu

dance-INF-3.POSS poncho

"the poncho he is dancing with"

Chinese

Mandarin

In Mandarin Chinese, the relative clause is similar to other adjectival phrases in that it precedes the noun that it modifies, and ends with the relative particle de (的). If the relative clause is missing a subject but contains an object (in other words, if the verb is transitive), the main-clause noun is the implied subject of the relative clause:

种

zhòng

grow

水果

shuǐguǒ

fruit

的

de

PTCL

农人

nóngrén

farmer

(種水果的農人。)

种 水果 的 农人

zhòng shuǐguǒ de nóngrén

grow fruit PTCL farmer

"the fruit-growing farmer" or "the farmer who grows fruit"

If the object but not the subject is missing from the relative clause, the main-clause noun is the implied object of the relative clause:

他们

tāmen

they

种

zhòng

grow

的

de

PTCL

水果

shuǐguǒ

fruit

(他們種的水果。)

他们 种 的 水果

tāmen zhòng de shuǐguǒ

they grow PTCL fruit

"the by-them-grown fruit" or "the fruit that they grow"

If both the subject and the object are missing from the relative clause, then the main-clause noun could either be the implied subject or the implied object of the relative clause; sometimes which is intended is clear from the context, especially when the subject or object of the verb must be human and the other must be non-human:

(用)今天

jīntiān

today

赢

yíng

win

的

de

PTCL

钱

qián

money

来

fù

pay

付

fáng

house

房租

zū

rent

((用)今天贏的錢來付房租。)

(用)今天 赢 的 钱 来 付 房租

jīntiān yíng de qián fù fáng zū

today win PTCL money pay house rent

"the won-today money pays the rent" or "the money that was won today pays the rent"

But sometimes ambiguity arises when it is not clear from the context whether the main-clause noun is intended as the subject or the object of the relative clause:

昨天

zuótiān

yesterday

批评

pīping

criticize

的

de

PTCL

人

rén

person

都

dōu

all

不

bu

not

在

zài

at

这里

zhèlǐ

here

(昨天批評的人都不在這裡。)

昨天 批评 的 人 都 不 在 这里

zuótiān pīping de rén dōu bu zài zhèlǐ

yesterday criticize PTCL person all not at here

"the people who criticized yesterday are all not here" or "the people whom criticized yesterday are all not here"

However, the first meaning (in which the main-clause noun is the subject) is usually intended, as the second can be unambiguously stated using a passive voice marker:

昨天

zuótiān

yesterday

被

bèi

PASS

批评

pīping

criticize

的

de

PTCL

人

rén

person

都

dōu

all

不

bu

not

在

zài

at

这里

zhèlǐ

here

(昨天被批評的人都不在這裡。)

昨天 被 批评 的 人 都 不 在 这里

zuótiān bèi pīping de rén dōu bu zài zhèlǐ

yesterday PASS criticize PTCL person all not at here

"the people who were criticized yesterday are all not here"

Sometimes a relative clause has both a subject and an object specified, in which case the main-clause noun is the implied object of an implied preposition in the relative clause:

我

wǒ

I

写

xiě

write

信

xìn

letter

的

de

PTCL

毛笔

máobǐ

brushpen

(我寫信的毛筆。)

我 写 信 的 毛笔

wǒ xiě xìn de máobǐ

I write letter PTCL brushpen

the brushpen that I write letters with

It is also possible to include the preposition explicitly in the relative clause, but in that case it takes a pronoun object (a personal pronoun with the function of a relative pronoun):

我

wǒ

I

替

tì

for

他

tā

her/him

画

huà

draw

画

huà

picture

的

de

PTCL

人

rén

person

(我替他畫畫的人。)

我 替 他 画 画 的 人

wǒ tì tā huà huà de rén

I for her/him draw picture PTCL person

"the person for whom I drew the picture"

Free relative clauses are formed in the same way, omitting the modified noun after the particle de. As with bound relative clauses, ambiguity may arise; for example, 吃的; chī de "eat (particle)" may mean "that which is eaten", i.e. "food", or "those who eat".

Creoles

Hawaiian Creole English

In Hawaiian Creole English, an English-based creole also called Hawaiian Pidgin or simply Pidgin, relative clauses work in a way that is similar to, but not identical to, the way they work in English. As in English, a relative pronoun that serves as the object of the verb in the relative clause can optionally be omitted: For example,

Ai

I

neva

never

si

see

da

the

buk

book

daet

that

Lisa

Lisa

wen

(past)

bai

buy

Ai neva si da buk daet Lisa wen bai

I never see the book that Lisa (past) buy

I didn't see the book that Lisa bought

can also be expressed with the relative pronoun omitted, as

Ai

I

neva

never

si

see

da

the

buk

book

Lisa

Lisa

wen

(past)

bai

buy

Ai neva si da buk Lisa wen bai

I never see the book Lisa (past) buy

I didn't see the book Lisa bought

However, relative pronouns serving as the subject of a relative clause show more flexibility than in English; they can be included, as is mandatory in English, they can be omitted, or they can be replaced by another pronoun. For example, all of the following can occur and all mean the same thing:

Get

There's

wan

one

nada

other

grl

girl

hu

who

no

no

kaen

can

ste

stay

stil

still

Get wan nada grl hu no kaen ste stil

There's one other girl who no can stay still

There's another girl who cannot stay still

Get

There's

wan

one

nada

other

grl

girl

no

no

kaen

can

ste

stay

stil

still

Get wan nada grl no kaen ste stil

There's one other girl no can stay still

Get

There's

wan

one

nada

other

grl

girl

shi

she

no

no

kaen

can

ste

stay

stil

still

Get wan nada grl shi no kaen ste stil

There's one other girl she no can stay still

Gullah

In Gullah, an English-based creole spoken along the southeastern coast of the United States, no relative pronoun is normally used for the subject of a relative clause. For example:

Duh

It

him

him

cry

cry

out

out

so

so

Duh him cry out so

It him cry out so

It's he who cries out so

Enty

Ain't

duh

it

dem

them

shum

saw him

dey?

there?

Enty duh dem shum dey?

Ain't it them {saw him} there?

Isn't it they who saw him there?

See also

• Long-distance dependencies
• Reduced relative clause

References

1. Huddleston, Rodney D.; Pullum, Geoffrey K. (2005). A Student's Introduction to English Grammar. Cambridge University Press. pp. 183ff. OCLC 57574762.
2. Kurzová, Helena (1981). Der Relativsatz in den indoeuropäischen Sprachen [Relative Clauses in the Indo-European Languages] (in German). Hamburg: Buske. p. 117. ISBN 3-87118-458-6. OCLC 63317519.
3. Lehmann, Christian (1984). Der Relativsatz [Relative Clauses]. Language universals series; vol. 3 (in German). Tübingen: G. Narr. p. 438. ISBN 3-87808-982-1. OCLC 14358164.
4. "Matrix Sentence". SIL Glossary of Linguistic Terms. Retrieved 26 March 2024.
5. Huddleston, Rodney; Pullum, Geoffrey K. (2002). The Cambridge Grammar of the English Language. Cambridge; New York: Cambridge University Press. pp. 1068–1070. ISBN 978-0-521-43146-0.
6. Huang, Chenglong (2008). "Relativization in Qiang" (PDF). Language and Linguistics. 9 (4): 735–768. Archived from the original (PDF) on 14 October 2021.
7. LaPolla, Randy J. (2008). "Relative Clause Structures in the Rawang Language" (PDF). Language and Linguistics. 9 (4): 797–812. Archived from the original (PDF) on 29 October 2013.
8. Carrol, David W. (2008). Psychology of Language (5th ed.). Belmont: Thomson & Wadsworth. ISBN 9780495099697. OCLC 144326346.
9. Townsend, David J.; Bever, Thomas G. (2001). Sentence Comprehension: The Integration of Habits and Rules. Cambridge: MIT Press. pp. 247–9. OCLC 45487549.
10. "WALS Online - Language Acoma". wals.info. Retrieved 8 April 2018.
11. McKee, Cecile; McDaniel, Dana (2001), "Resumptive Pronouns in English Relative Clauses", Language Acquisition, 9 (2): 113–156, doi:10.1207/s15327817la0902_01, S2CID 143402998.
12. Lehmann, Christian (1986). "On the typology of relative clauses". Linguistics. 24 (4): 663–680. doi:10.1515/ling.1986.24.4.663.
13. Keenan, Edward L.; Comrie, Bernard (1977). "Noun phrase accessibility and Universal Grammar". Linguistic Inquiry. 8 (1): 63–99.
14. Comrie, Bernard (1981). Language Universals and Linguistic Typology. University of Chicago Press. pp. 156–163. ISBN 0-226-11434-1.
15. Kordić, Snježana (1996). "Pronomina im Antezedenten und Restriktivität/Nicht-Restriktivität von Relativsätzen im Kroatoserbischen und Deutschen" [Pronouns in antecedents and restrictive / non-restrictive relative clauses in Serbo-Croatian and German] (PDF). In Suprun, Adam E; Jachnow, Helmut (eds.). Slavjano-germanskie jazykovye paralleli/Slawisch-germanische Sprachparallelen. Sovmestnyj issledovatel'skij sbornik slavistov universitetov v Minske i Bochume (in German). Minsk: Belorusskij gosudarstvennyj universitet. p. 165. OCLC 637166830. SSRN 3434472. CROSBI 426662. Archived (PDF) from the original on 29 August 2012. Retrieved 14 July 2019.
16. ὅς. Liddell, Henry George; Scott, Robert; A Greek–English Lexicon at the Perseus Project
17. ὁ in Liddell and Scott
18. Gallis, Arne (1956). The syntax of relative clauses in Serbo-Croatian: Viewed on a historical basis. Oslo: I Kommisjon Hos H. Aschehoug. p. 186. OCLC 601586.
19. ^ Kordić, Snježana (1999). Der Relativsatz im Serbokroatischen [Relative Clauses in Serbo-Croatian]. Studies in Slavic Linguistics; vol. 10 (in German). Munich: Lincom Europa. p. 330. ISBN 3-89586-573-7. OCLC 42422661. OL 2863535W. CROSBI 426502. Contents. Summary.
20. Auwera, Johan van der; Kučanda, Dubravko (1985). "Pronoun or conjunction - the Serbo-Croatian invariant relativizer što". Linguistics. 23 (6): 917–962. ISSN 0024-3949.
21. Kordić, Snježana (1997). Serbo-Croatian. Languages of the World/Materials; vol. 148. Munich & Newcastle: Lincom Europa. pp. 57–60. ISBN 3-89586-161-8. OCLC 37959860. OL 2863538W. CROSBI 426503. Contents
22. Maček, Dora (1986). Relativization in English and Serbo-Croatian. The Yugoslav Serbo-Croatian - English contrastive project, New studies; vol. 3. Zagreb: Institute of Linguistics, Faculty of Philosophy, University of Zagreb. p. 91. OCLC 14710495.
23. Browne, Wayles (1986). Relative clauses in Serbo-Croatian in comparison with English. The Yugoslav Serbo-Croatian - English contrastive project, New studies; vol. 4. Zagreb: Institute of Linguistics, Faculty of Philosophy, University of Zagreb. p. 165. OCLC 14368553.
24. Kordić, Snježana (1995). Relativna rečenica [Relative Clauses] (PDF). Znanstvena biblioteka Hrvatskog filološkog društva; vol. 25 (in Serbo-Croatian). Zagreb: Matica hrvatska & Hrvatsko filološko društvo. pp. 113–128. doi:10.2139/ssrn.3460911. ISBN 953-6050-04-8. LCCN 97154457. OCLC 37606491. OL 2863536W. CROSBI 426507. Archived (PDF) from the original on 4 June 2012. Retrieved 1 August 2019.
25. Zuckermann, Ghil'ad (2006). "Chapter 3: Complement clause types in Israeli". In Dixon, R. M. W.; Aikhenvald, Alexandra Y. (eds.). Complementation: A Cross-Linguistic Typology. Oxford: Oxford University Press. p. 79.
26. Sneddon, J. N. (1996). Indonesian: A Comprehensive Grammar. Routledge. §§ 2.45, 2.77, 3.97–107, 3.171–5. ISBN 978-0415-15529-8
27. Alexander, W. D., Introduction to Hawaiian Grammar, Dover, 2004 (originally 1864): 45-47.
28. The examples in this section are from Li, Charles N.; Thompson, Sandra A. (1981). Mandarin Chinese: A Functional Reference Grammar. Univ. of California Press. pp. 579–585.
29. This example is from Sun, Chaofen (2006). Chinese: A Linguistic Introduction. Cambridge University Press. p. 189. OCLC 70671780.
30. Sun 2006, p. 187
31. Sakoda, Kent; Siegel, Jeff (2003). Pidgin Grammar. Bess Press. pp. 102ff.

• Huddleston, Rodney; Pullum, Geoffrey K. (2002). The Cambridge Grammar of the English Language. Cambridge; New York: Cambridge University Press. ISBN 0-521-43146-8.
• Thomson, A. J.; Martinet, A. V. (1986). A Practical English Grammar (4th ed.). Oxford University Press. ISBN 0-19-431342-5. §72-85. (For the basic "rules" of the English relative pronoun in a presentation suitable for foreign learners.)
• Keenan, Edward L.; Comrie, Bernard (June 1979). "Data on the Noun Phrase Accessibility Hierarchy". Language. 55 (2): 333–351. doi:10.2307/412588. JSTOR 412588.

External links

• SIL Glossary of linguistic terms - What is a relative clause?
• Relative Clause: Does it specify which one? Or does it just describe the one and only?
• Using relative clauses, by Jennifer Frost

• Linguistic typology
• Syntax
• Generative syntax
• Clauses
• Grammatical construction types