Перепишите предложения и переведите их на русский язык, обращая внимание на разные значения глаголов to be, to have, to do.

1. The children don’t have to go to school on Sundays, do they?
2. Do you stay with us a little longer?
3. You are not to leave before I come back.
4. These students are always in time for the lessons.