1. Has Mary switched on the light?
Mary hasn't switched on the light.
2. Have my relatives received the parcel?
My relatives haven't received the parcel.
3. Has our grandfather travelled much?
Our grandfather hasn't travelled much.
4. Has the boy passed all his exams?
The boy hasn't passed all his exams.
5. Has the little girl broken the cup?
The little girl hasn't broken the cup.
6. Has the director signed the order?
The director hasn't signed the order.
7. Have they seen "Swan Lake" at the Bolshoi Theatre?
They haven't seen "Swan Lake" at the Bolshoi Theatre.
8. Have you paid for the stamps?
You haven't paid for the stamps.
9. Have the pupils solved the problem?
The pupils haven't solved the problem.
10. Has Robert come back?
Robert hasn't come back.