If 1:

If + S + am/is/are , S + will/can/shall + V1

If + S + V1/s/es , S + will/can/shall + V1

If 2:

If + S + were , S + would / could + V1 

If + S + V2/ed , S + would / could + V1 

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1. If they behaved themselves, their parents would be happy about them.

2. If he doesn't take this bill, he won't be better.

3. If she didn't eat too much meat, she wouldn't be overweight.

4. If he spoke clearly, people could understand him.

5. Unless the man arrives, we will start the conference without him.

6. If I had a map, I could take a short-cut across the desert.

7. Unless he works harder, he'll lose his job.

8. If I knew enough about the machine, I could mend it myself.

9. If I were good at cooking, I could become a chef.

10. If Lan had enough time, she could do it well.

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

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

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

14. If you aren't patient, you will make mistakes.

15. If he revised all his lessons, he wouldn't fail the exam.

`color{orange}{~MiaMB~}`