1 Tom isn't watching TV.
Is Tom watching TV?
No,he isn't.
2 We don't go to a movie on weekends.
Do you go to a movie on weekends?
N,we don't .
3 Sue and Sally aren't talking on the phone.
Are Sue and Sally talking on the phone?
No,they aren't.
4 I am not doing homework now.
Are you doing homework now?
No,I am not.
5There isn't any money on the desk.
Is there any money on the desk?
No,there isn't.