Zadanie 2.
1. You must arrive five minutes before the first lesson.
2. You mustn't run in the classrooms.
3. You must be quiet during a test.
4. You mustn't give your homework to the teacher late.
5. You mustn't fall asleep in class!
6. You must put your hand up to ask a question!
Zadanie 3.
1. You've finished your chores, so you can watch TV now.
2. Turn off the tap. We must save water.
3. Can I borrow a book from your bookcase, please?
4. The sink is dirty. I must clean it.
5. You must tidy your drawer. It's very messy.
6. Be careful with that mirror. You mustn't break it.
