You must/mustn't eat in class.
mustn't
You must/mustn't always be in favour for your classmates and teachers.
must
You must/mustn't interrupt your teacher and classmates when they speak.
mustn't
You must/mustn't sleep in class.
mustn't
You must/mustn't take care about the others and about school property.
must
You must/mustn't follow direction quickly.
must
You must/mustn't forget your school things.
mustn't
You must/mustn't raise your hand to speak to the class.
must
You must/mustn't fight in class.
mustn't
You must/mustn't be clean and calm.
must
You must/mustn't run and shout at class and at school.
mustn't
You must/mustn't know what is good and bad and stand behind your actions.
must
You must/mustn't listen when your teacher is talking.
must
You must/mustn't brake or spoil the school property.
mustn't
You must/mustn't help others when they ask for help.
must
You must/mustn't speak when the other pupil is answering to the teacher's question.
mustn't
You must/mustn't forget your homework, books and pens at home.
mustn't
You must/mustn't treat your classmates fair.
must
You must/mustn't talk when your teacher is talking.
mustn't
You must/mustn't do your homework and lessons every day.
must
You must/mustn't be prepared for class activities.
must
You must/mustn't cheat in class.
mustn't
You must/mustn't be rude to others.
mustn't
You must/mustn't treat yourself fair.
must