Jawaban:

III. Write an obligation using Must, Have To and mustn't.

1. You must finish your homework!

2. We must come on time!

3. The children must study seriously!

4. They have to wait for two hours.

5. She has to practice hard.

6. You have to listen to me!

7. I mustn't sleep late at night.

8. You mustn't  do something carelessly.

9. They mustn't eat too much.  

10. We mustn't come late.

Penjelasan:

Jawaban dicetak tebal dan menggunakan bentuk Modal Verb (Must) yang merupakan suatu hal yang harus dilakukan.

Modal Verb:

(+) Subject + Must + Verb-1 + Object

(+) Subject + Hav/Has to + Verb-1 + Object

Semoga membantu ya.