1. You have to be on time.
2. You have to do your homework.
3. You mustn't destroy things.
4. You have to be quiet if the teacher does not ask for an answer.
5. You cannot hurt others.
6. You mustn't use the phone on school grounds.
7. You mustn't to run in the corridor.
8. Girls mustn't to paint their nails.
9. You mustn't eat in class during lesson.
10. You must wear a school uniform.
11. You have to raise your hand before saying anything.
12. You have to listen to the teacher.
13. You mustn't chew gum in class.
