Pronouns are "noun substitutes".
⇒ Indefinite Pronouns
· These pronouns refer to persons, places, or things in general. They do not need specific antecedents or nouns which pronouns refer to.
Singular Indefinite Pronouns - they require a single verb.
· another · everybody · no one
· anyone · everything · one
· each · much · somebody
· every · nobody · something
Plural Indefinite Pronouns - they require a plural verb.
· both · few · many · others · several