Відповідь:

1) You must do your homework

2)You must respect your teachers

3)You ough to study good

4)You should to wear schiil uniform

5)You have to eat in the dinner room

6)You must not be late

7)You have to help your classmates

8)you shouldn't break school property

9)you shouldn't insult someone

10)you must to wear a shift

11)you should be good for your school

12)you have to  take part in olympiads

13)you musn't run along the corridors

14)you have to behave well during the break

15)you have to behave well on the lessons

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