Prepositions connect nouns, pronouns, and phrases with other words in a sentence. It gives information about location, direction, space, or time. Prepositions are usually part of a phrase because they often have a noun or pronoun after them. Here are two examples of prepositions in sentences.
The dog jumped over the fence.
I will go to the doctor.
The main job of prepositions is to create relationships between words. How is the dog related to the fence? It jumped over the fence. How am I related to the doctor? I am going to the doctor.
Prepositional phrases can also act like adverbs or adjectives. Remember that adverbs describe verbs (actions and being), and adjectives describe nouns and pronouns (ideas, people, places, and things). As an adverb - The children crossed the street with caution. The prepositional phrase "with caution" describes the way the children crossed the street.
As an adjective - He lives in the house with the red roof. The prepositional phrase "with the red roof" describes the house in a specific way.
List of Basic Prepositions
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