Contoh peraturan dikelas menggunakan bahasa Inggris dengan kata MUST dan MUST NOT

1. The students must listen to their teachers.
2. The students must do their exercise well.
3. The students mustn't eat and drink during lessons.
4. The students mustn't talking when the teachers are teaching.
5. The students mustn't play their phone.

Maaf kalau salah dan semoga membantu :)