Помогитесоставить 5 предложений по английскому со словом must и mustnt.Даю 13 баллов

You mustnt talk when your teacher speaks.
You mustnt walk on the grass.
You mustnt park your car here.
You must do your homework properly.
You mustnt play with food.

1.We must do exercises every day.
2. People must respect each other.
3. We must help each other.
4. We mustt have bad habits.
5. Our friends mustnt offend us.