pronouns

types of nouns

personal pronouns
to replace the nouns as subject or object in the sentence
i, you, he, she, it, we, they

reflexive pronouns
to intensify and reflect antecedents
myself, yourself, himself, herself, itself, ourselves,yourselves, themselves

relative pronouns
to join two sentence, take the place of nouns or pronouns in a sentence
who, whose, which, that

interrogative pronouns
to form question
what, when, where, why, who, how