Interrogative Pronouns

used in questions to ask for information or for someone’s opinion

What did you have for breakfast?

used to ask or talk about one or more members of a group of things or people, when we are not sure about it or about them

Which of these options is the best solution to the problem?

used in questions to ask about the name or identity of one person or several people

Who are those people sitting at the back?

used to show that the thing mentioned belongs to a particular person or thing

She's an author whose novels have topped the bestseller list.

used to ask questions about objects or indirect objects in sentences

Whom did you invite to the party?