Задание: напишите 5 предложений употребив must и 5 предложений употребив mustn39;t

Предложения c глаголом must:

I must brush my teeth every morning and every evening.

I must go to all lessons in the school.

I must go to bed no later than 10 p.m.

I must do my homework before walking.

I must do morning exercises every morning.

Предложения c глаголом mustnt:

I mustnt speak rudely to my parents and teachers.

I mustnt talk to strangers in the streets, especially in the dark time of the day.

I mustnt smoke because its very harmful.

I mustnt offend small children.

I mustnt have to eat a lot of fast food.