1. Carrots were bought 2 days ago by her.
2. Central Africa was explored be Livingstone in the 19th century.
3. Texts will be brought tomorrow by me.
4. Our skates haven't been brought back.
5. My work had been finished by 5 o'clock.
6. Some experiments were made by us in this laboratory.
7. The car is being repaired by him right now.
8. Son is sent by his parents to rest in the south every year.
9. Milk is sold in this shop.
10. The homework will be done by them in the evening.
11. The trucks had been loaded by 6 o'clock.
12. This program will be shown on TV.
13. The text has been translated be her.
14. All the trees had been planted by the middle of autumn.
15. Golf was being played by children from 4 till 6.
16. When my father came home, apples had been eaten by me.
17. A new center is being built in our street.
18. This story has been forgotten by my granny.
19. This poem was wrote by him in the 18th century.
20. This play will be staged by actors next month.
2) Has he been playing soccer or volleyball all day long ?
3) How long will I have been watching TV?
4)Who has not been sleeping all morning ?
5) They have been waiting for him for 2 hours, haven't they?