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