Pronouns are words used to replace nouns. There are many kinds of pronouns: subject, object, reflexive, possessive, demonstrative, relative, interrogative and indefinite.
Subject Pronoun: He is my brother.
Object Pronoun: I told him to come to the party.
Reflexive Pronoun: Roger hit himself with a hammer.
Possessive Pronoun: That car is mine.
Demonstrative: This is the house.
Relative: I will hire whomever you interview first.
Interrogative: Who is it?
Indefinite: Everybody is interested in learning English.
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