You must keep the school as clean as possible !
You mustn't talk to your colleagues during the lesson !
You must respect your teachers,and your colleagues !
You mustn't swear at school !
You must pay attention to the teacher during the lesson !
You mustn't fight with your colleagues !
You should be in time at school !
You shouldn't be late at school !
You shoud listen to your teacher !
You shouldn't play on the phone during the lesson !
Ultimele patru propozitii le-am facut cu ,,should",deoarece nu trebuie folosite chiar la toate propozitiile ,,must",si trebuie sa fie putin diversificat.Sper sa iti fie de ajutor.Peace !