$text{ Học Tốt nha! Xin CTRLHN về cho nhóm ạ! ^_^ }$

*must:

- You must do your homework before going to school.

- You must clean the floor.

- Students must attend school on time

- Students must complete homework

- Students must actively express their opinions

- Students have to be honest when doing tests

- Students must be polite to the teacher

- Students must wear uniforms prescribed

 - Students must unite

-- Students must study hard

*mustn't:

- You mustn't using phone in class
- You mustn't talk in class
- You mustn't joking in class

- You mustn't play football in school yard.

- We mustn't pick flowers in the school garden - You mustn't throw trash or draw on the walls.
- You mustn't copying your friend's homework.
- You mustn't fight with your friends - You musn´t talk in the lesson.
- You musn´t use the phone in the class.
- You musn´t make-up in the class.

MUST

You must keep it a secret.

We must hurry.

Students must attend school on time

Students must be polite to the teacher

MUSTN'T

You mustn't tell anybody else.

We mustn't make any noise.

You mustn't talk in class
You mustn't copying your friend's homework.