Can you play the piano?
Yes, I can. / No, I can't.
Can a rabbit fly?
No, it can't.
Can a fish swim?
Yes, it can.
Can you play football?
Yes, I can. / No, I can't.
Can bees jump?
No, they can't.
What can the boy do?
He can play basketball.
What can the kids do?
They can play the violin.
What can you do in the library?
I can read books.