Prepositions

Prepositions are a closed class of words. A preposition joins nouns, pronouns and phrases with other words in a sentence. The word or phrase that the preposition introduces is called the object of the preposition. A preposition usually places its object in space or in time. This is why we talk about prepositions of place and prepositions of time.

Prepositions of place tell us where something is or happens:

Prepositions of time tell us when something happens:

Some words are often followed by the same prepositions:

Some verbs take a preposition to make a new verb. These are called phrasal verbs:

Some common prepositions:

about above across after against around at before behind below beside between beyond by down during for from in inside into near of off on out outside over since through throughout till to toward under until up upon with without

See Also

Preposition Master - freeware preposition testing