1. My
homework had to be finished by me tonight.
2. Your bedroom must be tidied by you.
3. These clothes ought to be put away by you.
4. Some letters were given to type to the secretary
by the boss
5. This cake should be eaten immediately by us
6. A birthday card was sent to Peter by Sally.
7. The dog must be taken for a walk by you.
8. The mouse is being not chased by the cat.