1. If they weren't tired, they wouldn't be in bed.
2. If you write carefully, you won't fail.
3. He could go out if he hadn't to study for his exam.
4. If she wasn't lazy, she could pass the exam.
5. If he didn't pay me, I couldn't have enough money to buy a car.
6. If he didn't smoke to much, he could get rid of his cough.
7. If she wasn't very shy, she would enjoy the party.
8. If I get a work permit, I will stay for another month.
9. If he took some exercises, he wouldn't be so unhealthy.
10. We could get the ticket if I had the right change.
11. If you study hard, you will pass the exam.
12. If you are patient, you won't make mistakes.
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