Things That Might Have Happened
1. I would have had a much better holiday if I had stayed at home.
2. What have you been doing since I saw you last time?
3. If I had got enough money yesterday, I would have bought that tape.
4. Looking back on it, I think I shouldn't have given up the contest so easily.
5. Had I taken a taxi, I wouldn't have been late.
6. Even if you take the exam again, you won't pass it. 
7. Even if you had given him much more money, he might not have paid off  the debt.
8. What would you have done if you had not gone out for a picnic yesterday.
9. I wish I had told him the truth. 
10. I wish you hadn't cheated me.
11. If it had been fine, we would have gone to the park. 
12. Would he have seen you if you hadn't waved to him? 
13. You should have studied much harder. 
14. I had thought about arguing with the teacher about that, but I didn't have enough courage.
15. I had thought about living with my grandparents when my parents went abroad last year.