Must/mustn't sdelaite plz
2 you mustn`t interrupt me. 3 you mustn`t be silly. 4 you must be polite. 5 you must wash your hands. 6 you must be quiet. 7 you mustn`t listen to him 8 you mustn`t be late 9 you must tidy your room 10 you mustn`t say that