Using Could Definition and Example Sentences

Using Could Definition and Example Sentences

Using ‘could’ as a modal verb in the past

1. We use to talk about possibility in the past.

• He could have been a doctor.

2. We use to talk about past ability.

• When I was young, I could swim.

3.We use to talk about possibility in the past but it didn’t happen.

• She could have been famous but she did not want to.

4.We use the expression how could you/he/…?  to show disapproval

• How could you leave me?

5.We use to talk about impossibility in the past.

• I couldn’t have left my pen at school.