unit 12.2

1. We can use 'could have' to talk about something somebody was capable of doing but didn't do. • I could have gone to Oxford University but I preferred Harvard. Should Have Use should have to say that a different action was recommended in the past. If you arrive late to English class, you can say: “I should have left my house earlier.”

2. passing on information

3. Could have is often used with “if + had + past participle” (If I had gone / if she hadn’t fallen) – these “if” phrases express the imaginary past situation. However, in some cases you can use could have without the “if” phrase. Imagine you’re driving with a person who makes a dangerous maneuver on the road. You can say.