Кака написать в страдательном задатке предложения: 1. I have to finish

1. I have to finish my homework tonight. My homework has to be finished tonight.
2. You must tidy your bedroom. Your bedroom must be tidied.
3. You ought to put these clothes away. These clothes ought to be put away.
4. The boss gave the secretary some letters to type. The secretary was given some letters to type by the boss.
5. We should eat this cake immediately. This cake should be eaten immediately.
6. Sally sent Peter a birthday card. Peter was sent a birthday card by Sally.
7. You must take the dog for a walk. The dog must be taken for a walk.
8. The cat is not chasing the mouse. The mouse is not being chased by the cat.