21과

1. I should have left before.

2. I should have gone to the detist office.

3. I should have been me careful.

4. I should have ordered the fish dish.

5. I should have told you before.

6. I should have known his reaction.

7. I should have seen her face.

8. I should have done my homework last night.

9. I should have noticed him the first time.

10. I should have saved my money.

22과

1. I shouln't have said that long time.

2. I shouln't have bragged that.

3. I shouln't have fought with her.

4. I shouln't have gotten this work.

5. I shouln't have spoken loudly.

6. I shouln't have eaten cake many times.

7. I shouln't have left him alone.

8. I shouln't have listened to his advice.

9. I shouln't have slept late this morning.

10. I shouln't have believed the morning forecast.