1, If I had wings, I wouldn't have to take an airplane to fly home.
2, We'll have to go without John if he doesn't arrive soon.
3, They wouldn't have refunded your money if you hadn't kept your receipt.
4, How would you feel if you were in my position?
5, Will you send me a postcard if you visit Mexico?
6, You'd have a lot of friends if you weren't so unfriendly.
7, I would have visited you sooner if someone had told me you were in the hospital.
8, They would be upset if I told them what happened.
9, If Jake hadn't agreed to go on the trip, would you have gone?
10, If you didn't complain so much, you might be more popular.
11, If I don't revise thoroughly, I may fail my test.
12, Would you work harder if you were better paid.

13, If someone enters the building, the alarm will go off.

14, I would travel if I could afford it. But I don't have much money.

15, If you had told me, I would give you a ride gladly