THE RULES!!

Now I do a list of the rules the my school that we hav to do:
 -I mustn't arrive late in class
- I should bring my books and notebooks
-I must participe in class
-I must study for exams when  the teacher says
-I musn't eat or  drink in class
-I shouldn't run in the corridor
- I should be polite with my teacher and my friend
-I mustn't go to  the brek if te teacher says
-I mustn't shout in the class
-I mustn't copy in an exam
-I should pay attention in class
-I must speak english in english's class
-I mustn't speak spanish in english's class
-I should do my homeworks