DEFINITION:
A phrase is a group of two or more words that do not have a subject and/or predicate.


For example:

  • The girl is at home, and tomorrow she is going to the amusement park.
You can see that “the amusement park” is a phrase located in the second clause of the complete sentence above.

Phrases act like parts of speech inside clauses. That is, they can act as nouns, adjectives, adverbs and so on.

From
http://www.dailywritingtips.com/english-grammar-101-sentences-clauses-and-phrases/

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