Ответ:

1)  

1. Be done

2. Have been sent

3. Be made

4. Be kept

5. Have been repaired

6. Be carried

7. Have been arrested

8.  be delayed  

9.  have been caused

10. Be knocked

11. Be known

12. Be forgotten

2)  

1. We`re being followed

2. Have you painted it?

3. It has been stolen

4. Somebody has taken it

5. He hasn’t been seen since then

6. I haven`t seen her for ages

7. Have you ever been stung by bee?

8. It is being repaired at the moment

9. It hasn’t been found yet

10. The furniture has been moved

3)

1. The room has been cleaned

2. A new road is being built around the city

3. Two new hotels have been built near the airport

4. When I last visited, some new houses were being built

5. The date of the meeting has been changed

6. I didn’t know that our conversation was being recorded

7. Is anything being done about the problem?

8. They hadn’t been cleaned for ages

Объяснение: