My= possessive
Those= Demonstrative
Whom= Relative
What= interrogative
Demonstrative:
Pronouns that point to specific things: this, that, these, and those, as in “THIS is an apple,” “THOSE are boys,” or “Take THESE to the teacher.”
Interrogative:
An interrogative word is used to ask a question, such as what, which, when, where, who, whom, whose, why, whether and how.
Relative:
Relative pronouns introduce relative clauses. The most common relative pronouns are who, whom, whose, which, that. The relative pronoun we use depends on what we are referring to and the type of relative clause. For example: the musician WHO wrote this song is french, she found the pillow WHICH had golden tassels
Possessive:
Possessive pronouns show that something belongs to someone. The possessive pronouns are my, our, your, his, her, its, and their. For example: that is MY book, are those YOUR shoes?
