1. We must line up in the corridor.

2. We must keep quiet in the library.

3. Let’s wash our hands before meals.

4. Let’s be helpful.

5. We should greet our teachers.

6. We should share stationery with classmates.

7. Don’t talk in the hall.

8. Don’t run in the corridor.

9. We must not push near the stairs.

10. We must not hit our classmates.

11. We shouldn’t bad-mouth our teachers.

12. We shouldn’t shout in the library.