1. If I had the same problem you had as a child, I might not have succeeded in life as well as you have. (A. have)
2. I wish I had visited you sooner had someone told me you were in the hospital. (A. would have visited)
3. If I had known then what I know today, I would have saved myself a lot of time and trouble over the years. (A. Had I known)
4. Do you think there would be less conflict in the world if all people spoke the same language? (B. spoke)
5. If you can give me one good reason for your acting like this, I will never mention this incident again. (A. spoke)
6. If I had known you were asleep, I wouldn't have made so much noise when I came in. (B. wouldn't have made)
7. Unless you answer all of my questions, I can't do anything to help you. (A. answered)
8. Had you told me that this was going to happen, I would have never believed it. (A. would have never believed)
9. I don't believe this incident again. (B. don't believe)