4. I won't buy this car because I don't have enough money
---> If___________.
5. Today isn't Sunday. We can't go fishing.
---> If_____________.
6. I can't help him because I am not a doctor.
---> If_____________.
7. We feel tired now! That's why we can't go for a picnic.
---> If____________.
8. My brother can buy a new house, but he doesn't have enough money.
---> If___________.
9. I am able to buy the car only because Hoa lends me the money.
---> If_____________.
10. I'm not a pilot. Therefore, I can't fly a plane.
---> If_____________.
11. You don't exercise more. You won't feel better.
---> If____________.
12. My grandfather is not wearing his hearing aid because it is broken.
---> If___________.
13. The weather isn't fine. We can't go for a walk.
---> If___________.
14. We can write to Alice, but we don't know her address.
---> If___________.