You ... wear the uniform.
mustn't
must
You ... fight.
must
mustn't
You ... do your homework.
mustn't
must
You ... put litter in the bin.
mustn't
must
You ... eat ice cream in school.
mustn't
must
You ... arrive late.
musn't
must
You ... sleep in class.
must
mustn't
You ... play with your phone in the lesson.
mustn't
must
You ... arrive on time.
must
mustn't
You ... study at school.
mustn't
must
You ... shout in class.
mustn't
must
You ... wash your hands before lunch.
mustn't
must
You ... help your friends.
must
mustn't
You ... listen to the teacher.
mustn't
must
You ... eat in class.
mustn't
must
You ... follow the rules in class!
mustn't
must
You ... run at school.
mustn't
must
You ... study English at school.
must
mustn't