7. If you don't go away, I'll send for the police
8. If I sold my car, I wouldn't get much money for it
9. The police will arrest him if they catch him
10. We wouldn't have any money if we didn't work
11. Tell Mary to ring me up if you see her
12. What would happen if I didn't come?
13. If he likes the house, will he buy it?
14. Carol gave me this ring. She would be very upset if I lost it
15. They will be disappointed if we don't come
16. What will happen if my parachute doesn't open?
17. I'm sure Jane would understand if you explained the situation to her
18. What you would do if you lost your passport?
19. If we told them the truth, they wouldn't believe us
20. If I lend you 1000$, when will you repay me?