A. Error recognition
1. If I knew her phone number, I'd have phoned her to come there last night.
2. If I were her, I'll quit that job immediately and look for another one
3. If I had known that you were ill, I had gone to see you
4. Unless the horse didn't fall, it'd have won the race
5. What would you do if you have chance to travel in the submarine?
6. It isn't until last month that I knew who she was.
7. It wasn't until he had been 32 that he got married to a pretty girl
8. - How far does it take to get to the new railway station? - 5 minutes
9. - Why do you ask me about the party? - Because I wasn't been inviting to it
10. When we came, the film was started an hour before