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Many theories of syntax and grammar illustrate sentence structure using phrase 'trees', which provide schematics of how the words in a sentence are grouped and relate to each other. A tree shows the words, phrases, and clauses that make up a sentence. Any word combination that corresponds to a complete subtree can be seen as a phrase.
Phrasal verbs ordinarily cannot be understood based upon the meanings of the individual parts alone but must be considered as a whole: the meaning is non-compositional and thus unpredictable. [ a ] Phrasal verbs are differentiated from other classifications of multi-word verbs and free combinations by the criteria of idiomaticity, replacement ...
An idiom is a common word or phrase with a figurative, non-literal meaning that is understood culturally and differs from what its composite words' denotations would suggest; i.e. the words together have a meaning that is different from the dictionary definitions of the individual words (although some idioms do retain their literal meanings – see the example "kick the bucket" below).
A phraseme, also called a set phrase, fixed expression, idiomatic phrase, multiword expression (in computational linguistics), or idiom, [1] [2] [3] [citation needed] is a multi-word or multi-morphemic utterance whose components include at least one that is selectionally constrained [clarification needed] or restricted by linguistic convention such that it is not freely chosen. [4]
In linguistics, phraseology is the study of set or fixed expressions, such as idioms, phrasal verbs, and other types of multi-word lexical units (often collectively referred to as phrasemes), in which the component parts of the expression take on a meaning more specific than, or otherwise not predictable from, the sum of their meanings when used independently.
They are used to break down a natural language sentence into its constituent parts, also known as syntactic categories, including both lexical categories (parts of speech) and phrasal categories. A grammar that uses phrase structure rules is a type of phrase structure grammar .
(Situations in which this is possible depend on the rules of the language in question; for English, see English articles.) In the original X-bar theory, the two respective types of entity are called noun phrase (NP) and N-bar (N, N ′). Thus in the sentence Here is the big house, both house and big house are N-bars, while the big house is a ...
In corpus linguistics, a collocation is a series of words or terms that co-occur more often than would be expected by chance. In phraseology, a collocation is a type of compositional phraseme, meaning that it can be understood from the words that make it up.