3) 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.

4) He smokes too much; that’s why he can’t get rid of his cough.

=> If he didn’t smoke too much, he could get rid of his cough.

5) She is very shy, so she doesn’t enjoy the party.

=> If she weren’t shy, she would enjoy the party.

6) I will get a work permit. I will stay for another month.

=> If I get a work permit, I will stay for another month.

7) He doesn’t take any exercises. He is so unhealthy

=> If he took some exercises, He would be healthy.

8) We can’t get the ticket because I don’t have the right change.

=> If I had the right chance, we could get the ticket.

9) Study hard or you won’t pass the exam.

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

10) Don’t be impatient or you will make mistakes.

=> If you are impatient, you will make mistakes.