IV.

1. His exercises were finished on time.

2. Rice is planted in those fields.

3. Was your test done perfectly?

4. He has been known well.

5. The cheque must be signed by the manager.

6. Cars and trucks are used to carry food to market.

7. A new hospital will be built near the airport.

8. The younger son hasn't been seen for three weeks.

V.

1. Peter isn't old enough to see the horror film.

2. Don't forget to turn off the light before going out.

3. Are you interested in making car models?

4. She wishes she had a bike.

5. We used to play soccer in the afternoon long ago.

6. He asked me what the office would close that evening.

7. I haven't seen her for 10 months.

8. We wish we could go out.

9. We used to go camping together.

10. Bicycles should be used for short journeys.

11. He hasn't heard from his father for 10 years.

12. Does she have difficulty in reading his writing?

13. He never lets his daughter go out alone at night.

14. It took me 3 hours to surf the net yesterday.

15. Unless I have free time, I won't see you off at the airport.