Ex IV. Passive voice
1. Is the housework done by the girl?
2. The cattle isn't driven out to ththe field in thd winter.
3. He was bought 2 years ago for a fee of $ 20000 by the club.
4. She will be met at the airport.
5. A lot of cars are made in Japan.
6. Cows aren't kept over there.
7. Is most of the farm work done by the machine?
8. Spanish is spoken in many country.
9. Stories are often read in the evening by the childrden.
10. That cake wasn't made by Alice.

Ex VI
1. eats
2. were
3. would wake up
4. would have passed
5. hadn't gotten
6. knew
7.wouldn't have
8.asks
9. would get
10. were, would told
11 done, would succeed
12.won't go

Exercise V:
1. If I hadn't been busy, I would have watched TV last night
2. If he has started earlier, her wouldn't have mossed the first
3. If he had learned hard, she wouldn't have failed the fianl exam
4. If you don't stop immediately, I will call your teacher
5. If I had known her telephone number, I could have phoned Alice
6. If I knew your secision, I could tell him
7. If the weather weren't so hot, I could go out
8. If she hadn't come late, she could have met him
9. If he didn't smoke, he wouldn't be so weak
10. If he hadn't gone out in the rain last ngith, he wouldn't have had a flu