1. If you study good, you will be a successful person.
2. If you draw a picture, I will hang it on the wall.
3. If you eat all the dinner, I will take you to the cinema.
4. If you buy this dress, I will not talk to you any more.
5. If she goes to the doctor, he will prescribe her some medicines.
6. If he learns to play the piano, his parents will buy it for him.
7. If we cook an apple pie, they will come.
8. If it rains, I will stay at home.
9. If I prepare for the test, I will get a good mark.
10. If we don't waste so much water, we will save our environment.