Управляла поведение в школе на британском сmust ,mustn39;t

Перевод модального глагола must - обязан (указ).

You mustnt talk at the lessons.

You mustnt be late.

You must be careful on the staircase.

You must write nothing in the textbooks.

You must be polite.

You must say hello to the teachers.

You must listen to the teacher very attentively.

You must wear a school uniform at school.

You mustnt sleep during the class.

You must do homework.

You mustnt run in the school.

You mustnt shout in the classroom.

You must answer to teachers questions.

You mustnt fight with classmates or other students at school.