pronoun
1
BAD : Nobody have complained about the noise.
GOOD : Nobody has complained about the noise.
BAD : When I arrived, there were nobody at home.
GOOD : When I arrived, there was nobody at home.
◆◆◆
nobody/no one + singular verb: 'Is nobody going to help you?'
2
BAD : He closed the door quietly so that nobody wouldn't hear him.
GOOD : He closed the door quietly so that nobody would hear him.
3
BAD : Nobody has done something yet.
GOOD : Nobody has done anything yet.