переделайте следующие предложения в passive voice

Ответ от Александр Савенок[гуру]
2. By six o’clock their work had been finished.
3.At twelve o’clock the trucks were being loaded by the workers .
4.By three o’clock the trucks had been loaded by the workers .
7. A new concert hall are being building (by them) in our street.
8. Potatoes were bought (by me) yesterday.
9. Tomorrow.the books will be brought (by us)
10. Now the clock are being repaired (by them).
11. Milk is being sold by them (in this shop) - ИЛИ .
12. The whole text has been translated (by me)
13. The window was broken by them last week.
14. the sweets had been eaten by them when (before) I came home,.
15. The work shall (should) be done by us in the evening.
16. This book was written by him in the 19th century.
17. Tennis was being played by them from four till five.
18. A number of important experiments in this laboratory have beed made by them
20. By the middle of autumn all the trees had been planted (by us).
22. The story had been forgottem by them.
23. Have the rules of the game been explained to you by anybody ?
24. my skates have not been brought () back to me .