1) That house is empty. Nobody lives there.

2) Jack has a bad memory. He can’t remember anything.

4) I don’t know about the meeting. Noone told me.

5) I’m afraid I can’t help you. There’s nothing I can do.

6) Helen has gone away. Noone knows where she is. She didn’t tell anyone where she was going.

7) “What are you doing this tonight?” “Nothing. Why?”