11. I’ll be surprised if he pays you back tomorrow.
12. If we rented that big flat, we would have enough room for the dog.
13. If they don't hurry, they’ll miss the bus.
14. If I help you with your homework, you won't do yourself.
15. If I were you, I wouldn't go to England in the winter.
16. If I miss the last bus, I will get a taxi.
17. If Tom hadn’t gone to the university, he wouldn't have met Sarah.
18. If you didn’t go to bed so late, you wouldn't be so tired in the morning.
19. If a bull attacked me, I would run away.
Объяснение: