A pronoun defines a person, place or thing without actually naming it. That car is hers. The dog scratched its back. Compound personal pronouns are created by adding self and selves to some of the other personal pronouns. There are no possessive compound personal pronouns.
Indefinite pronouns point out vaguely and indefinitely and cause many writers problems .
Singular Plural Singular or Plural one, someone, anyone, everybody, everyone, another both, many, few, several all, none some Distributive pronouns separate groups into individuals. There are only three distributive pronouns, and they are always singular. They do not know who was involved in the incident. Sue is the woman whom we must nominate. Who and whom both introduce a dependent clause and refer to an antecendent noun.