Составить 10 предложений что мы должны делать в школе и 10 что не должны делать на

1. We must listen to the teacher. 
2. We must do everything the teacher tells us. 
3. We must read and write in English. 
4. We must be attentive and listen to other pupils. 
5. We must behave and work well at the lesson.
6. We must answer all the questions in English.
7. We must ask questions in English.
8. We must write on the board and describe pics in English.
9. We must write the new words in the dictionary.
10. We must speak English as much as we can.

1. We mustn't be late.
2. We mustn't  run and walk during the lesson.
3. We must not brush our hair at the lesson.
4. We mustn't play with the mobile phone and other things.
5. We mustn't litter the classroom.
6. We mustn't talk with friends during the lesson.
7. We must not miss lessons.
8. We must not interrupt the teacher when he/she speaks.
9. We mustn't behave like home.
10. We must not hurt anybody.