1.You mustn't smoke
2. you mustn't be late for school
3. you mustn't eat on the lesson
4.you mustn't sleep on the lesson
5. you mustn't speak on the lesson
6. You mustn’t cheat on tests.
7. You mustn't use violence
8. you mustn't drink on the lesson
9. you mustn't be vulgar
10. You mustn't use your mobile phone
MUST
1. you must be prepared for the lesson
2. you must be cultural
3. you must be neat
4. you must be active in the classroom
5. You must wear a uniform
6. You must keep clean in school
7. You must keep quiet
8. You must change your shoes
9. You must listen to teacher
10. You must to have homework.
