11. He will pay me tonight; I will have enough money to buy a car.
- If he pays me tonight; I will have enough money to buy a car.
12. He smokes too much; that's why he can't get rid of his cough
=> if he didn't smoke  too much, he wouldn't get rid of his cough
13. She is very shy, so she doesn't enjoy the party
- If she wasn't very shy, she would enjoy the party
14. He doesn't take any exercises. He is so unhealthy
If he took exercises , he wouldn't be so unhealthy