10 imperative sentence

1. Sit down when the teacher enters to the classroom

2.Do not talk during the class

3.Do not Eat in the Classroom

4. Respect you classmates

5. Respect the Teacher

6.Do not Throw papers in the classroom

7.Do not yell in the classroom

8. Do not use any electronic Appliance wihtout the permission from a teacher

9.Put your shirt inside your pants

10. Keep your classroom clean