(Blank)
Penguins (Can/Could) swim very well
Penguins can swim very well
Yesterday we (can'tcouldn't) play.
Yesterday we couldn't play.
We came as fast as we (can/could).
We came as fast as we could.
I (could/can) run very fast
when I was younger.
I could run very fast
when I was younger.
(Can/Could) you play the piano
when you were seven?
Could you play the piano
when you were seven?
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?
It's snowing,
so we (can't/couldn't) go out now.
It's snowing,
so we can't go out now.
You have a nice tricycle.
(Could/Can) you ride it?
You have a nice tricycle.
Can you ride it?
Could you give me a hand?
Of course, what do you need?
Of course, that's very far.
I'm sorry, I'll try not to speak so fast.
Of course, what do you need?
I (cannot, couldn't) run that fast when I was six years old.
I couldn't run that fast when I was six years old.
He has a broken leg,
so he (couldn'tcan't) walk for a few days.
He has a broken leg,
so he can't walk for a few days.
Could we stop now? I'm getting a bit tired
Of course, what do you have?
Yes, of course, we can start again tomorrow.
Yes, of course, I'll try not to tired you
Yes, of course, we can start again tomorrow.
I think I (can, could) help you learn math if you study hard.
I think I can help you learn math if you study hard.
I (can't/couldn't) sleep last night.
I couldn't sleep last night.
(Will, Would) you like steak or chicken?
Would you like steak or chicken?