We ____________ recycle glass, paper, plastic and metal.
can (possibility)
If you ride a motorcycle, you ______________ wear a helmet.
must / have to (obligation)
If you want to study abroad, you ______________ to obtain a passport first.
have to (obligation)
You ____________ eat in class. (Negative)
mustn't (prohibition)
The clouds are dark. It ___________ rain later.
might (probability)
I ____________ go out this weekend. I ______________ to study for the English test. (negative - positive)
can't / have to
What a beautiful place. You __________ take some pictures.
should (suggestion)
The car __________ stop any moment. I forgot to fill the gas tank.
may - might (possibility)
I don't think you _________ eat too much junk food. It is bad for you.
should (suggestion)
Teacher, __________ I go to the restroom?
May (request)
If you drive a car, you ____________ stop at the red lights.
must (strong obligation)
When I grow up, I __________ become an engineer like my dad.
may / might (possibility)
Some boys in my class ________ draw very well.
can (ability)
I ___________ swim at all. (negative)
can't (ability)
Before you drive a car, you____________ get a driver's license.
should (suggestion)
Josh __________ play the guitar.
can (ability)