1. If you eat another cake, you will be sick.
2. You will fail your exam if you don’t study hard.
3. What will you do if you fail?
4. Our children and grandchildren will suffer if we don’t lookafter our planet.
5. If you were late, I would go without you.
6. If you need help, my father will help you.
7. He would lose weight if he stopped eating too much.
8. If she is patient, I will try to explain.
9. I would wear a purple tie but only if I had to.
10. If we leave at once, we will catch the early train.
11. If he did that again, his father would punish him.
12. If she drank this medicine, she would feel much better.