anybody / anyone agreement
Which pronoun to use after anybody and anyone.
Anybody and anyone are singular. The pronoun that follows those words is they, them, or their: Anyone who wants a copy should leave their name. He or she is acceptable. Do not use generic he. That use is outdated. Do not use anyone are.
Examples
UseAnyone who is ready may take their seat.
UseAnyone who is ready may take his or her seat.
AvoidAnyone who is ready may take his seat.
AvoidAnyone are ready.
The same agreement holds after everybody, everyone, somebody, someone, nobody, and no one.