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