PREPOSITIONS
The word preposition literally means "placed" (position) "before" (pre-). Thus the preposition is placed before a noun or pronoun which is called its object. The preposition and object together make a prepositional phrase. This prepositional phrase then functions as a separate, distinct part of the sentence, usually as a modifier. Some prepositions even consist of two or more words. Here are some commonly used prepositions with noun or pronoun objects:
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