11.If I had known her number,I would have telephoned her.
12.We would go out if it weren't raining.
13.The soup would taste better, if it had more salt in it.
14.If I was you,I would not marry him.
15.They would mind living in England if the weather were better?
16.If we had known she was ill,we would have paid her a visit.
17.If I had been to the party last night,I would have met Helen.
18.If she hadn't worn a seat-belt, she would have been injured in the crash.
19.If Tom misses the train he will be late for the interview.
20.Would you have sent me a postcard if you had seized the opportunity to go to Egypt?
