Prepositions are not in the habit of standing alone. A word group with a preposition at the head followed by an object (or complement) is called a prepositional phrase. The object of a preposition is typically a noun or pronoun: Gus put the horse before the cart. read more
Definition of preposition for Students : a word or group of words that combines with a noun or pronoun to form a phrase that usually acts as an adverb, adjective, or noun “With” in “the house with the red door” is a preposition. read more
Prepositions: position and stranding Traditional grammatical rules say that we should not have a preposition at the end of a clause or sentence. However, we sometimes do separate a preposition from the words which follow it (its complement). read more