Two things you shouldn't do before you go to bed.
Two things you have to do after class today.
Two things you must do before you catch a plane.
Three things you don't have to do when you're on holiday.
Two things you shouldn't do the night before an exam.
Two things you don't have to do if you shop online.
One things you must do and one thing you mustn't do when you're driving.
Two things you should think about before you buy a new phone.
One thing you had to do when you were a child that you really disliked.
Two things you have to do if you want to live and work in an English-speaking country.
Two things you should find out about a country before you visit it.
Two things you shouldn't talk about with strangers.
Two things a teacher has to do before a class.
Two things you should do if you've been invited for dinner.
Two things you shouldn't do if you have flu.
Three things a good student has to do to improve their English.
