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 pays me tonight, he will have enough money to buy a car.
4. If he didn't smoke too much, he could get rid of his cough.
5. If she weren't very shy, she would enjoy the party.
6. If I get a work permit, I will stay for another month.
7. If he took any exercise, he would be so healthy.
8. If I had the right change, we can get the ticket.
9. If you don't study hard, you won't pass the exam.
10. If you are impatient, you will make mistakes.
CHÚC BẠN HỌC TỐT!!