You _____ clean your room.
I _____ lick my elbow.
can
You _____ cut your hair.
should/shouldn't
_____ I use your phone?
Can/Could
When I was 6, I _____ swim very well.
could
You _____ smoke too much,
shouldn't
You _____ bite your nails.
John _____ be here by 2:00 PM.
should
Five years ago, I _____ play the piano
couldn't
You _____ arrive on time to classes
have to
You _____ pay me, it's on me.
don't have to
_____ I borrow your car tomorrow?
Can/Could
The children _____ go to school today.
It’s Saturday!
don't have to
He _____ speak spanish fluently. He has been in Madrid for only a week.
can't
has to
I _____ eat in the classroom but not anymore.
could
I _____ drive a car but I _____ ride a motorbike.
can't/can