1. Must or mustn't? You must / mustn't.... Je fais des phrases simples.
Ex: Do your exercise! → You must do your exercise.
1) Listen to the teacher! →
2) Don't speak to your friend! →
3) Be quiet! →
4) Learn your lessons! →
5) Sit down properly! →
6) Don't use your phone! →
7) Stop shouting! →
8) Don't be late! →
9) Don't cheat! →
10) Be polite! →