What is a pronoun? Is "my" a pronoun? The way it is used in the sentence below: My teacher said my math is canceled today.

No, my is not a pronoun.

My is used as a possessive adjective. Possessive adjectives precede the noun that they are referring to.

Possessive Adjective vs Possessive Pronoun PA = PA + N PP = PP If there is a noun after the possessive form, then it is a possessive adjective. If there is no noun, then it is a possessive pronoun.

Examples: PAYour (PA) strength (N) will be defeated by my (PA) will (N). It is wrong to resent a child for the sins of his father. There are things you can't see unless you change your standing. PP Fishman Island is his (PP). You can't take what was never yours. You are mine.