Пожалуйста помогите составить 5 предложений с модальным глаголом must срочно!!!

You must clean your room. He must wash the dishes. We must stay alone. They must do their homework. I must write in my copybook.

You must do exercises every day to keep fit and be healthy. You mustn't go home from school before lessons are over. You must be a good person. (Ты, должно быть, хороший человек) Teacher must explain everything that pupils ask him\her about. Children must respect their parents.