1) No there isn't anybody in the lab at the moment.
2)No I haven't got anything to tell you.
3)No Jane isn't doing anything now.
4)No there isn't anything new in this programme.
5)No there isn't anybody from London at the conference.
6)No Jack isn't talking to anybody at the moment.
7)No there isn't anything intresting in the article.
8) No I'm not going to buy anything on the way home.
9)No he isn't reading anything now.
10)No there isn't anybody on the phone.