Exercise 9. make the following sentences a)negative and b)interrogation. 1.mrs. smith spends her weekends gardening . 2.harry prefers to travel by air. 3. i do a lot of travelling 4. they wish to speak to you 5. the children like sweets. 6. tom enjoys driving at night 7. they sell fresh grape juice here. 8. my brother smokes a lot. 9.i brush my teeth every night. 10.the boys hurry home after school . 11. the taxes rise every year. 12. i use a computer in my work . 13.mart works hard at her pronunciation . 14. betty goes out with someone every saturday. 15. nick likes porriage. 16. my working day lasts eight hours.

1. a. Mrs Smith doesn't spend her weekends gardening.
b. Does Mrs Smith spend her weekends gardening?
2. a. Harry doesn't prefer to travel by air.
b. Does Harry prefer to travel by air?
3. a. I don't do a lot of travelling.
b. Do I do a lot of travelling?
4. a. They don't wish to speak to you.
b. Do they wish to speak to you?
5. a. The children don't like sweets.
b. Do the children like sweets?
6. a. Tom doesn't enjoy driving at night.
b. Does Tom enjoy driving at night?
7. a. They don't sell fresh grape juice here.
b. Do they sell fresh grape juice here?
8. a. My brother doesn't smoke a lot.
b. Does my brother smoke a lot?
9. a. I don't brush my teeth every night.
b. Do I brush my teeth every night?
10. a. The boys don't hurry home after school.
b. Do the boys hurry home after school?
11. a. The taxes don't rise every year.
b. Do the taxes rise every year?
12. a. I don't use a computer in my work.
b. Do I use a computer in my work?
13. a. Mart doesn't work hard at her pronunciation.
b. Does Mart work hard at her pronunciation?
14. a. Betty doesn't go out with someone every Saturday.
b. Does Betty go out with someone every Saturday?
15. a. Nick doesn't  like porriage.
b. Does Nick like porriage?
16. a. My working day doesn't last eight hours.
b. Does my working day last eight hours?