Przekształć poniższe zdania na stroną bierną.

Wzór: They may ask you a lot of questions. You may be asked a lot of questions.

1. You ought to return the books to the library before the first of March.

2. People mustn't park cars in front of that building.

3. They ought to pay him.

4. You should keep butter in the fridge.

5. They can build a school in five months.

6. You should inform the police.

7. You will have to fill in a lot of forms.

8. They can't sell their old car.

9. You ought to repair that old clock.

10. You needn't translate this article.