future possibility

past possibility

permission

complaint

present ability

past ability

future ability

present possibility

He could have got out through the bathroom window.

If you are late back from work, I could leave it in the oven.

He could well be late - he usually is.

Could I take 5 minutes of your time at the end?

The match could be on the other channel. Why don't you look?

She could have told you he was her boyfriend's father!

She could speak French pretty well, I recall.

Shiela's in the office - she could do it now.