A.can('t)/could(n't)
- Penguins could/can swim very well.
Penguins can swim very well.
- It's snowing,
so we can't/couldn't go out now.
- It's snowing,
so we can't go out now.
- You couldn't/can't park here.
It's forbidden.
- You can't park here.
It's forbidden.
- I can/could run very fast
when I was younger.
I could run very fast
when I was younger.
- Yesterday we couldn't/can't play.
- Yesterday we couldn't play.
- Sam couldn't/can't go to the party
because he was too busy.
- Sam couldn't go to the party
because he was too busy.
- Can/Could you play the piano
when you were seven?
Could you play the piano
when you were seven?
- He has a broken leg,
so he couldn't/can't walk for a few days.
- He has a broken leg,
so he can't walk for a few days.
- He doesn't have a racket,
so he can't/couldn't play tennis.
- He doesn't have a racket,
so he can't play tennis.
- You have a Ferreri!
Can/Could you give me a ride?
You have a Ferreri!
Can you give me a ride?
- I couldn't/can't sleep last night.
- I couldn't sleep last night.
- Can/Could you ride a bike
when you were seven?
- Could you ride a bike
when you were seven?
- We came as fast as we could/can.
We came as fast as we can.
.- Why are you crying?
Is there something I can/could do for you?
- Why are you crying?
Is there something I can do for you?
- Pamela is a ballerina,
so she could/can dance very well.
- Pamela is a ballerina,
so she can dance very well.