1. I am sorry that I didn’t finish my homework last night.
=> I regret.................................................................................................................................
2. Because they made too many mistakes, they failed in the exam.
=> If.................................................................................................................................
=> Had.....................................................................................................................................
3. Because he doesn’t leave immediately, I call a policeman.
=> Were..................................................................................................................................
4. Today isn’t Sunday, so the pupils can’t go swimming.
=>Were...................................................................................................................................
5. They cancelled all flights because of fog.
=> Had it..................................................................................................................................
6. The meeting was put off because of pressure of time.
=> Had it.................................................................................................................................
7. The children couldn’t do swimming because the sea was too rough.
=> If.................................................................................................................................
=> Had the sea.......................................................................................................................
=> Had it..................................................................................................................................
8. I’m sorry I missed your birthday party.
=> I wish..................................................................................................................................
=> If only...............................................................................................................................
9. I would like the school holidays to be longer.
=> I wish the school............................................................................................................
=> If only................................................................................................................................
10. If I had been given fair warning, I would have avoided that date.
=> Had...................................................................................................................................
11. Please don’t say things like that.
=> I wish you.............................................................................................................................
12. It would have been a superb weekend if it hadn’t been for the weather.
=> But for...................................................................................................................................
13. It is a pity you didn’t tell us about this.
=> I wish......................................................................................................................................
14. I haven’t much money, I can’t buy any new clothes.
=> If.................................................................................................................................
=> Were.......................................................................................................................................
15. I am sorry that I didn’t study French last year.
=> I wish......................................................................................................................................
16. The weather forecast was inaccurate so we didn’t take the right precaution.
=> Had............................................................................................................................................
17. The temparature didn’t fall below zero so the crops weren’t damaged.
=> Had............................................................................................................................................
19. Mary didn’t work hard enough. She failed in the exam.
=> Had.............................................................................................................................................
20. He is sorry now that he didn’t invite Mary to his party.
=> If only........................................................................................................................................