10 предложений с модальным глаголами «правила поведения в школе

You mustn't run at school. You have to respect your teachers and classmates. You mustn't bring any pets to school. You must follow these rules. You have to wear school uniform. You must do your homework. You must arrive to school at time. You mustn't bring your phone or other devices to lessons. You must remember your teacher's name. You can take part in competitions