1. I asked a friend to help me.
2. I was asked to help him.
3. The teacher gave the cadets a difficult task.
4. The cadets were given a difficult task.
5. We often discuss important issues at home.
6. Important issues are often discussed at home.
7. Tomorrow she will finish this work.
8. This work will be completed tomorrow.
9. She told us the truth.
10. We were told the truth.
11. Sometimes he forgets to buy bread.
12. Why is this often forgotten?
13. He will return the book in time.
14. The book will be returned on time.
15. These houses were built two years ago.
16. Mom does not allow them to play on the street.
17. They are not allowed to play outside.
18. When will letters be sent?
19. They will meet us at the station.
20. Where will they meet us?
