You must do your homework.
You must clean your room.
You must study.
You must pass the exams.
You must wash your hands.
You mustn’t smoke.
You mustn’t drink alcohol.
You mustn’t miss the lessons.
You mustn’t walk with friends at night.
You mustn’t steal something from shop.
1.People must take care of naturе
2. I must be at the train station at 5 o’clock
3.He must be on his way here
4.I must do my homework
5.We must wear our school uniform
