Personal: they, he, she, i, we, etc example: I love to play with my new puppy.
possessive: his, hers, ours, theirs, etc example: The car is theirs.
demonstrative: this, that, these, those example: That is my sisters cat.
personal pronouns are used to replace people, places or things and can be in first, second, or third person. possessive pronouns show ownership. demonstrative pronouns kind of point to a specific thing like, “look at THAT bird.”