past possibility

permission

complaint

present ability

future possibility

future ability

past ability

present possibility

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

He could have got out through the bathroom window.

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

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

He could well be late - he usually is.

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

She could speak French pretty well, I recall.

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