could
US /kʊd/
UK /kʊd/
1.
used to indicate possibility or ability in the past
:
•
She could run very fast when she was younger.
•
I could hear the music from my room.
2.
used to express possibility or uncertainty
:
•
It could rain later today.
•
That could be true.
3.
used to make a polite request or suggestion
:
•
Could you please pass the salt?
•
We could go for a walk later.