1 You mustn`t break the windows at school.
2 You mustn`t eat lots of sweets every day if you want to lose some weight.
3 You mustn`t forget to de your homework regulary.
4 You mustn`t be rude to your grandparents.
5 You mustn`t play football in the classroom.
1 He doesn`t have to work in the evening.
2 I don`t have to play the guitar.
3 They don`t have to catty the buckets.
4 The friend don`t need to get up early.
5 Mum doesn`t need to make sandwiches.