Penguins can/could swim very well.
can
When I was younger I can / could run very fast.
When I was younger I could run very fast.
Yesterday it was raining, we can't / couldn't play football.
Yesterday it was raining, we couldn't play football.
A tiger can / could run at 70 miles an hour.
A tiger can run at 70 miles an hour.
I couldn't / can't run very fast last year, but now I can.
I couldn't run very fast last year, but now I can.
Can / Could I go to the library today?
Can I go to the library today?
teach / me / you / swim / ? / to / Can / how
Can you teach me how to swim?
My sister __________ find her shoe yesterday. (-)
couldn't
Jim __________ swim. (-)
can't
___________ I have another piece of cake please?
Could
I _________ go sledding today!
can
Can / Could you turn the TV volume up?
Can
I am able to / allowed to sing very well
I am able to sing very well
We are able to / allowed to play cards on the bus because the driver is really nice.
We are allowed to play cards on the bus because the driver is really nice.
Student's are ____________ to eat candy in class.
Student's are not allowed to eat candy in class.
My baby sister is very young. She is not ____________ to talk yet.
My baby sister is very young. She is not able to talk yet.
