Say what you must ( mustnt ) do. You may use the following. help your mother about the house; go shopping; get up too late; look after your pet; eat too much ice cream; come to school on time; be late for school;take your dog for a walk; feed your pet;watch TV too late; do exercises every day; wash your hands before you eat; go to bed too late......

1 you must help your mother about the house.
2 you must go shopping
3 you mustnt get up late
4 you must look after your pet
5 you mustnt eat too much ice cream.
6 you must come to school on time.
7 you mustnt be late for school
8 you must take your dog for a walk
9 you must feed your pet
10. you mustnt watch tv too late.
11 you must do exercises every day
12 You must wash your hands before you eat.
you mustnt go to bed too late.