That dress is awful. You ........... wear it!
shouldn't
I'm really good at languages! I ....... speak English, German and Japanese.
can
I'm not really good at sports. I ......... rollerblade well.
can't
It's Martha's birthday. You ........ buy her a birthday present.
should
It is forbidden to go to restaurants now, so you ............. go to that restaurant.
mustn't
The English exam is tomorrow. You ....... study very hard today.
must
It's a good idea to eat healthy food.
You should eat healthy food.
It is not a good idea to eat junk food.
You shouldn't eat junk food.
It's an obligation to respect your classmates.
You must respect your classmates.
It is not permitted to drive before 18.
You mustn't drive before 18.
The weatherman says it is possible that it snows tomorrow.
It can snow tomorrow.
It's impossible for her to speak Chinese.
She can't speak Chinese.
