1. the door is opened by him.
2. the table is set by us.
3. a lot of money is payed by her.
4. a picture is drawn by me.
5. blue shoes are worn by them.
6. he is not helped by them.
7. the book is not opened by him.
8. the letter is not written by you.
9. are you picked up by your mother?
10. is the thief caught by the police officer.