Prepositions are words that usually go before a noun or a pronoun. They express things like: Often they aren't easy to translate, but even when there's a translation, it doesn't always apply ...

Prepositions A preposition is a word that tells you where or when something is in relation to something else. Examples of prepositions include words like after, before, on, under, inside and outside.

For example, in the sentence, "The neighbor is at the door," at is the preposition indicating location. In "We will be there by noon," by is the preposition indicating time.

For example, in the sentence, "The neighbor is at the door," at is the preposition indicating location. In "We will be there by noon," by is the preposition indicating time.

If a preposition takes an object and is, as Merriam’s notes, “usually followed by” that object, it calls into question a sentence like “What did you do that for,” in which the ...