1.  If he didn't have to study for his exam, he could go out.

 2.  If she weren't lazy, she could pass the exam. 

3.If he doesn't pay me tonight, I won't have enough money to buy a car.

4 If he didn't smoke too much, he could get rid of cough.

5 If she weren't very shy, she would enjoy the party. 

6. If I don't get a work permit, I won't stay for another month.

7. If he took any exercises, he wouldn't be so healthy.

8. If I had the right change, we could get the ticket. 

9. => If you don't study hard, you won't pass the exam. 

10 => If you are not impatient, you won't make mistakes. 

11.  If I ate lunch, I wouldn't fell hungry.

12.Unless they invite me, I won't come. 

13. => If he revised all his lessons, he wouldn't failed the exam.

13.  If he didn't have to study for his exam, he could go out.

 14.  If she weren't lazy, she could pass the exam. 

15.If he doesn't pay me tonight, I won't have enough money to buy a car.

16 If he didn't smoke too much, he could get rid of cough.

17 If she weren't very shy, she would enjoy the party. 

18. If he didn't take any exercises,It's would so unhealthy.

19.If I had the right change, we could get the ticket. 

9. If you don't study hard, you won't pass the exam. 

10 If you are not impatient, you won't make mistakes. 

11.  If I ate lunch, I wouldn't fell hungry.

12.Unless they invite me, I won't come. 

had the right change, we could get the ticket. 

9.  If you don't study hard, you won't pass the exam. 

10  If you are not impatient, you won't make mistakes. 

11.  If I ate lunch, I wouldn't fell hungry.

12.Unless they invite me, I won't come.