1. The bathroom was cleaned by Mary
2. This experience will be never forgotten (by me)
3.  A cake was made by the mother
4. The girl was teased by a boy
5. Was the duty done by her?
6. The deer was being chased by a tiger
7. A novel has been written by her
8. Her lessons have been learned
9. A new car was bought by my friend
10. The fire alarm is tested by the electricians