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  2. Expletive (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Expletive_(linguistics)

    A syntactic expletive is a term used in formal linguistic theories. It is a term for a pronoun that is used at the start of a sentence or clause when the referent is not immediately known, but an argument for the verb is syntactically required. The basic meaning of the clause is made explicit after the verb.

  3. Entailment (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Entailment_(linguistics)

    If a sentence A entails a sentence B, sentence A cannot be true without B being true as well. [1] For instance, the English sentence "Pat is a fluffy cat" entails the sentence "Pat is a cat" since one cannot be a fluffy cat without being a cat. On the other hand, this sentence does not entail "Pat chases mice" since it is possible (if unlikely ...

  4. Do-support - Wikipedia

    en.wikipedia.org/wiki/Do-support

    Do-support (sometimes referred to as do-insertion or periphrastic do), in English grammar, is the use of the auxiliary verb do (or one of its inflected forms e.g. does), to form negated clauses and constructions which require subject–auxiliary inversion, such as questions.

  5. Sentence (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Sentence_(linguistics)

    A major sentence is a regular sentence; it has a subject and a predicate, e.g. "I have a ball." In this sentence, one can change the persons, e.g. "We have a ball." However, a minor sentence is an irregular type of sentence that does not contain a main clause, e.g. "Mary!", "Precisely so.", "Next Tuesday evening after it gets dark."

  6. Semantics - Wikipedia

    en.wikipedia.org/wiki/Semantics

    Semantics is the study of meaning in languages. [1] It is a systematic inquiry that examines what linguistic meaning is and how it arises. [2] It investigates how expressions are built up from different layers of constituents, like morphemes, words, clauses, sentences, and texts, and how the meanings of the constituents affect one another. [3]

  7. Parsing - Wikipedia

    en.wikipedia.org/wiki/Parsing

    These sentences are designed so that the most common interpretation of the sentence appears grammatically faulty, but upon further inspection, these sentences are grammatically sound. Garden-path sentences are difficult to parse because they contain a phrase or a word with more than one meaning, often their most typical meaning being a ...

  8. Formal grammar - Wikipedia

    en.wikipedia.org/wiki/Formal_grammar

    A distinguished symbol that is the start symbol, also called the sentence symbol. A grammar is formally defined as the tuple ( N , Σ , P , S ) {\displaystyle (N,\Sigma ,P,S)} . Such a formal grammar is often called a rewriting system or a phrase structure grammar in the literature.

  9. Syntactic Structures - Wikipedia

    en.wikipedia.org/wiki/Syntactic_Structures

    A linguist should separate the "grammatical sequences" or sentences of a language from the "ungrammatical sequences". [9] By a "grammatical" sentence Chomsky means a sentence that is intuitively "acceptable to a native speaker". [9] It is a sentence pronounced with a "normal sentence intonation".