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