1.You must love you colleagues,even if they aren't your best friends
2.You mustn't have a fight;
3.You must keep your classroom clean
4.You must say the pupils that aren't at the school
5.You must clean the blackboard
6.You mustn't talk dirty
7.You must respect the others
8.You mustn't break something
9.You must respect your teachers and listen to them
10.You must do your homework