1. Someone will clean the room.
=> The room will be cleaned.
2. They had to cut down that tree.
=> That tree had to be cut down.
3. Someone should tell Sally what happened.
=> Sally should be told what happened.
4. They are going to build a new hospital here.
=> A new hospital is going to be built here.
5. We can solve the problem.
=> The problem can be solved.
6. Someone has to finish the job.
=> The job has to be finished.
7. They may send the man to prison.
=> The man may be sent to prison.
8. We must do something now.
=> Something must be done now.
9. I don’t like people staring at me.
=> I don't like to be stared.
10. I dislike people making jokes about me.
=> I dislike being made jokes.