Сделайте предложения вопросительными и отрицательными
1)john woke up at a quarter to seven
2)she went to the library yesterday
3)he began work at nine sharp
4)he was in france last year
5)he took his children to the zoo
6)mary was a good student
7)they saw a new film on monday
8)they had breakfast before they went out
9)his wife cooked some scones for breakfast
10)the people of pine clearing were proud of their school
11)my mother bought some vegetables for supper
12)they had a lot of problems with their son

1. I can stay in bed tomorrow morning because I don't have to work.
2. Whatever you do, you mustn't touch that switch. It`s very dangerous.
3. You mustn't forget what I told you. It`s very important.
4. We don't have to leave yet. We`ve got plenty of time.
5. Ann was feeling ill last night. She had to leave the party early.
6. I had to go to the bank yesterday to get some money.
7. The windows are very dirty. I must clean them.
8. The windows aren`t dirty. You don't have to clean them.
9. We arrived home very late last night. We had to wait half an hour for a taxi.
10. These cakes are very nice. You must have one.
11. We don't have to take an umbrella. It`s not going to rain.

Continuous 3. are being analysed 6. am analysing 8. were analysing 4. was being heated 8. is heating  2. are transforming  7. were transforming  1. was testing  4. was being tested
Perfect  4. has been analysed  7. had analysed 2. had heated 3. shall have been heated  5. will have heated 1. have been transformed  4. will have transformed 5. has transformed  2. have tested  5. had been tested
Perfect Continuous  7. has been heating 6. will have been transforming  7. has been testing
Simple 1. was analysed 2. will analyse  5. analysed  1. shall heat  6. heat  3. transforms  3. tests  6. is tested 8. shall be tested