The document discusses different types of pronouns in English. It defines a pronoun as a word used instead of a noun. There are subject pronouns, object pronouns, possessive adjectives, possessive pronouns, and reflexive pronouns. Subject pronouns are used when the pronoun is the subject of the sentence. Object pronouns are used to substitute nouns and always follow verbs. Possessive adjectives indicate ownership and precede nouns. Possessive pronouns are used in place of nouns. Reflexive pronouns refer back to the subject of the sentence or clause and end in "self" or "selves".