1. The letter was written by her.
2. She was hit by him.
3. She was told by us.
4. My bag was stolen by someone.
5. Julian was stopped by me.
6. The lottery wasn't won by him.
7. Their jackets weren't worn by them.
8. Nothing about you was known to him.
9. Were you told by her?
10. Was the book written by her?