Use

We use indefinite pronouns to refer to people or things without specifying exactly who or what they are.

Example:

Someone called Tom last night.

Explanation:

We use the indefinite pronoun someone because we do not know exactly who called Maya last night.

How to build

We use the indefinite pronouns anyone, anywhere, and anything with questions or negative sentences.

• Does anyone like that pub?

• I don’t know anything about him.

We use the indefinite pronouns someone, somewhere, and something for an unspecified person, place or thing.

• Someone is looking at him.

We use the indefinite pronouns no one, nobody, nowhere, and nothing to indicate that there is no person, place or thing.

• Nothing is in the bag.

We use the indefinite pronouns everyone, everybody, everywhere, and everything to refer to all of the things in a group.