Ответ:
1. If I had gone to the shop, I would have bought some fruit.
2. If she weren’t ill, she would come to see you.
3. I wish I didn't quarrel with my friend yesterday.
4. If we take care of our planet, we will live happily.
5. If he gets up early, he will catch the bus.
6. If he had learned the poem last night, he wouldn’t have got a bad mark,
7. Unless you come here, we won't begin the competition.
8. If you ate less, you would look better.
9. If only I could draw well.
10. Our team would have won if Mike had played with us.