 Unit 21
1. I should have left before.
2. I should have gone to the dentist office.
3. I should have been more careful.
4. I should have ordered the fish dish.
5. I should have spoken to 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 recognized him at first.
10. I should have saved more money.
Unit 22
1. I shouldn't have spoken that long time.
2. I shouldn't have bragged it.
3. I shouldn't have fought with her.
4. I shouldn't have taken this job.
5. I shouldn't have raised my voice.
6. I shouldn't have eaten the cake that much.
7. I shouldn't have left him alone.
8. I shouldn't have listened to his advice.
9. I shouldn't have overslept this morning.
10. I shouldn't have believed the weather report.
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