2 things you must do if you are invited to the party
Buy a present, etc.
3 things you must do when you are going on a long journey by car
Take a lot of food, fill up the gas tank, etc.
3 housework chores you have to do at home
wash the floor, etc
2 things you don`t have to do at home because your family does it
water the plants, iron the clothes etc
2 things you should do if you catch a cold
Take medecines, wear warm clothes
3 things you shouldn`t do before you go to bed
Play mobile phone, etc.
3 things you have to do if you have a pet
feed, walk, etc
What must you do to become rich?
work a lot, get an education etc
3 things you must do if you want to get fit
eat healthy food, do sport, etc.
2 things you must do to learn a language
watch films in this language, have language courses
3 things you couldn`t do in your childhood, but now you can
Eat a lot of junk food, go to bed late, etc.
2 things you have to do at school
Study, wear a uniform
Three things you mustn`t do at school
Run, swear, etc.
Two things you have to do after school
Homework, English class, etc.
3 things you don`t have to do when you are on holiday
Study, wake up early, etc.
3 things you mustn`t do according to the law
kill, rob, drive a car very fast, etc