1. Mary was given a ring.
A ring was given to Mary by Tom.
2. I cannot be changed by them
3. A good decision must be taken.
4. Things will be changed.
5. The explanation was understood by the students.
6. Mary was invited to come to their party.
7. The children will be allowed by their parents to go on the trip.
8. They will not be permitted to come back.
9. He shall be asked to give a lecture.
10. Sue was made a dress.
A dress was made for Sue.
11.We are paid high interest by the bank.
12. He was educated at Oxford.
13. The invitation was accepted by her.
14. He was given the approval by the manager.
The approval was given by the manager.
15. He has been recommended to the board by us.
16. All his questions were answered by them.
17. She was recommended to me by somebody.
18. I was told by the people that it was dangerous.
19. The boat will be brought by the students and it will be repaired by the workers.
20. The boat has been hidden and it cannot be found.
21. I was told that the money had been lost.
22. I was surprised to hear that he was beaten by somebody.
23. He was told by somebody that the place had been cleaned.
