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In linguistics, inverse copular constructions, named after Moro (1997), are a type of
inversion Inversion or inversions may refer to: Arts * , a French gay magazine (1924/1925) * ''Inversion'' (artwork), a 2005 temporary sculpture in Houston, Texas * Inversion (music), a term with various meanings in music theory and musical set theory * ...
in English where canonical SCP word order (subject- copula- predicative expression, e.g. ''Fred is the plumber'') is reversed in a sense, so that one appears to have the order PCS instead (predicative expression-copula-subject, e.g. ''The plumber is Fred''). The verb in these constructions is always the copula ''be'' (''am'', ''are'', ''is'', ''was'', ''were''). Inverse copular constructions are intriguing because they render the distinction between subject and predicative expression difficult to maintain. The confusion has led to focused study of these constructions,Inverse copular constructions have been explored in great depth. See Moro (1997) for the original proposal, Heycock and Kroch (1998), Pereltsvaig (2001), Mikkelsen (2005). and their impact on the theory of grammar may be great since they appear to challenge the initial binary division of the sentence (S) into a subject noun phrase (NP) and a
predicate Predicate or predication may refer to: * Predicate (grammar), in linguistics * Predication (philosophy) * several closely related uses in mathematics and formal logic: **Predicate (mathematical logic) **Propositional function **Finitary relation, o ...
verb phrase In linguistics, a verb phrase (VP) is a syntactic unit composed of a verb and its arguments except the subject of an independent clause or coordinate clause. Thus, in the sentence ''A fat man quickly put the money into the box'', the words ''q ...
(VP) (S → NP VP), this division being at the core of all
phrase structure grammar The term phrase structure grammar was originally introduced by Noam Chomsky as the term for grammar studied previously by Emil Post and Axel Thue (Post canonical systems). Some authors, however, reserve the term for more restricted grammars in th ...
s (as opposed to
dependency grammar Dependency grammar (DG) is a class of modern grammatical theories that are all based on the dependency relation (as opposed to the ''constituency relation'' of phrase structure) and that can be traced back primarily to the work of Lucien Tesni� ...
s, which do not acknowledge the binary division).


Examples

Inverse copular constructions involve nouns and noun phrases, but they do not allow the post-copula nominal to be a personal pronoun: ::a. The cause of the riot is a picture on the wall. ::b. A picture on the wall is the cause of the riot. ::c. *A picture on the wall is it. ::a. Fred is the plumber. ::b. The plumber is Fred. ::c. *The plumber is he. The defining trait of the inverse copular constructions is that two counts of inversion appear to have occurred: the normal subject has inverted to a post-verb position, and the predicative nominal has inverted to the pre-verb position. The verb is a finite form of the copula 'be' (''am'', ''are'', ''is'', ''was'', ''were''). This type of inversion is generally NOT possible with other verbs.


Subject-verb agreement

Inverse copular constructions where the inverted predicative expression is a noun phrase are noteworthy in part because subject-verb agreement can (at least in English) be established with the pre-verb predicative NP as opposed to with the post-verb subject NP, e.g. ::a. The pictures are a problem. ::b. A problem is/??are the pictures. ::a. Those kids are an annoyance. ::b. An annoyance is/??are those kids. In the inverse copular constructions, the copula agrees with the singular predicative expression to its left as opposed to with the plural subject to its right. This phenomenon seems to be limited to English (and possibly French); it does not occur in related languages such as German, e.g. ::a. Die Bilder sind ein Problem. :::'The pictures are a problem.' ::b. Ein Problem sind/*ist die Bilder. :::'A problem are/is the pictures.' Nor does it occur in some Romance languages, e.g. Italian: ::a. Queste foto sono la causa della rivolta. :::'These photos are the cause of the revolt.' ::b. La causa della rivolta sono/*è queste foto. :::'The cause of the revolt are/is the photos.' The fact that English (unlike German and Italian) demands subject-verb agreement to occur with the pre-verb NP generates confusion about what should qualify as the subject NP. From a morphological point of view, the pre-verb NP in inverse copular constructions should count as the subject, but from the perspective of information structure (e.g. definiteness, old information, specificity), the post-verb NP should be the subject.


Importance for the theory of grammar

Inverse copular constructions challenge one of the major dogmas of the theory of
clause In language, a clause is a constituent that comprises a semantic predicand (expressed or not) and a semantic predicate. A typical clause consists of a subject and a syntactic predicate, the latter typically a verb phrase composed of a verb wit ...
or sentence structure, i.e. that the two basic constituents of a sentence - the noun phrase (NP) and the verb phrase (VP) - are associated with the logical/grammatical functions of subject and predicate (cf.
phrase structure rules Phrase structure rules are a type of rewrite rule used to describe a given language's syntax and are closely associated with the early stages of transformational grammar, proposed by Noam Chomsky in 1957. They are used to break down a natural langu ...
and sentence). In fact, copular sentences that maintain the canonical groupings are not adequate on empirical grounds, since a very unorthodox left-branching structure is necessary, or if one rejects the canonical groupings and positions the subject inside a VP-like constituent, then one has to assume that the subject NP and copula verb can form a type of VP to the exclusion of the predicative expression.


See also

* Copula *
Dependency grammar Dependency grammar (DG) is a class of modern grammatical theories that are all based on the dependency relation (as opposed to the ''constituency relation'' of phrase structure) and that can be traced back primarily to the work of Lucien Tesni� ...
* Discontinuity *
Inversion Inversion or inversions may refer to: Arts * , a French gay magazine (1924/1925) * ''Inversion'' (artwork), a 2005 temporary sculpture in Houston, Texas * Inversion (music), a term with various meanings in music theory and musical set theory * ...
* Subject-auxiliary inversion *
Phrase structure grammar The term phrase structure grammar was originally introduced by Noam Chomsky as the term for grammar studied previously by Emil Post and Axel Thue (Post canonical systems). Some authors, however, reserve the term for more restricted grammars in th ...
*
Predicate Predicate or predication may refer to: * Predicate (grammar), in linguistics * Predication (philosophy) * several closely related uses in mathematics and formal logic: **Predicate (mathematical logic) **Propositional function **Finitary relation, o ...
*
Predicative expression A predicative expression (or just predicative) is part of a clause predicate, and is an expression that typically follows a copula (or linking verb), e.g. ''be'', ''seem'', ''appear'', or that appears as a second complement of a certain type of ...
* Subject-verb inversion


Notes


References

*Heycock, C. and A. Kroch 1998. Inversion and equation in copular sentences. In A. Alexiadou et al. (eds) ZAS Papers in Linguistics 10. 71 - 87. Zentrum für Allgemeine Sprachwissenschaft, Berlin. *Mikkelsen, L. 2005. Copular clauses: Specification, predication, and equation. Linguistics Today 85. Amsterdam: John Benjamins. *Moro, A. 1997. The raising of predicates. Predicative noun phrases and the theory of clause structure, Cambridge Studies in Linguistics, Cambridge University Press, Cambridge, England. *Pereltsvaig, A. 2001. Copular sentences and the architecture of grammar, Ph.D. Thesis, McGill University, Canada. {{refend Syntax Generative syntax Syntactic entities Syntactic transformation