Here are two senses for verb phrase:
1. In traditional terminology, a verb phrase is a phrase that
2. In generative grammar, a verb phrase is a syntactic unit that corresponds to the predicate. In addition to the verb, this includes auxiliaries, objects, object complements, and other constituents apart from the subject.
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Hartmann, R.R.K., and F.C. Stork. 1972.Dictionary of language and linguistics. London: Applied Science.
Crystal, David. 1980.A first dictionary of linguistics and phonetics. Boulder, CO: Westview.