Answers

2016-04-03T13:55:04+08:00
Hat is a preposition in English grammar?

A preposition is a word that indicates location (in, near, beside) or some other relationship (about, after, besides) between a noun or pronoun and other parts of the sentence. 
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2016-04-04T00:50:46+08:00
A word or group of words that is used with a noun,pronoun, or noun phrase to show direction, location, or time, or to introduce an object
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