Complete the conditionals sentence:
1. If I (know) ___________ that you were ill, I (go) __________ to see you.
2. If she'd had some money, she (buy)_________ to see you.
3. I (buy)_____ a car If you lend me some money.
4. I (see) _______ him if I (go) ________ to the party last night.
5. We could have gone out if the weather (not be) ____________ so bad.
6. If the book (not be) _________ expensive, I'll buy it.
7. You would be surprised if he (return)_______________.
8. I'll go out if it (not rain) ______________.
9. They wouldn't come to the party if you (not invite) __________ them.
10. What ___ you (do) ________ if you (be) ____ him?
11. If that hat costs much, I (buy) ______ a small one.
12. If you (drive) _________ more carefully, you (not, have) ______________ so many accidents.
13. If I (make) _________ that mistake again, my teacher (be) ______ angry with me.
14. If I spoke English, my job (be) ______ a lot esier.
15. If he (go) _____ to London yesterday, he (meet) ____ his old friend.
16. If I (be) _________ in your place, I (accept) ________ Mr. Anderson' s invitation.
17. If I (win) ________ a big prize in the lottery, I 'd give up my job.
18. If I (be) _________ you, I (tell) _________ the truth.
19. I was busy. If I (have) __________ free time, I (go) ______ to the cinema with you.
20. - Why didn't you attend the meeting?
- Oh, I did not know! If I (know) _________ I (come) ______ there.