A pupil mustn't sleep during the lesson.
A pupil must learn new words by heart.
A pupil mustn't talk at the lessons.
A pupil must wear clean and tidy uniform to school.
A pupil mustn't run during the lesson.
A pupil mustn't talk loudly at the lessons.
A pupil mustn't brink his pets to school.
A pupil must always do his homework.
A pupil must listen to the teacher.