1.You can go to the party,but you must come back by 11pm
2.You don't have to take out the ribbish every day
3.We musn't bully people at school
4.I don't have to go to study group
5.You must tidy your room every week
6.You musn't chew gum in class
7.Kanat must phone his mum,if he's late
8.We musn't be late for school