помогите написать 9 правил в школе по англискому с употреблением must и mustn't

1. You must wear school uniform.
2. You must listen to your teacher.
3. You must keep order on the desk.
4. You must go into the class before a call.
5.You must be quite at the lessons.
6. You mustn't be late for school.
7. You mustn't talk to your classmates at lessons.
8. You mustn't run in classrooms and corridors.
9. You mustn't be rude to your teachers.