2. Have you turned off the oven? No, I haven`t.
3. Has Ann watered them? No, she hasn`t.
4. Has Scot mopped it? No, he hasn`t.
5. Has Carol fed her? No, she hasn`t.
6. Have Tim and Chris done shopping? No, they haven`t.
7. Have you told her good news? No, I haven`t.
8. Has Sam called repairman? No, he hasn`t.
9. Has Bill set the table? No, he hasn`t.