Three things you may/might do later
Three things you mustn't do in a restaurant
Three things you can't do in a park
Three things you have to do after class
Three things you can't do in a library
Three things you must do before you get on an airplane
Three things you mustn't do when you are driving a car
Three things you will do in a cinema
Three places you can't go into without paying
Three things you should do if you want to lose weight
Three things you don't have to do when you are on holiday
Three things you have to do every day
