3 If the driver comes, he will repair a car. 4. If I finish my homework in time, we will go to the cinema. 5. We shall know English, if we study hard. 6. The doctor will come, if I am ill. 7. The students will help the farmers if they go to the farm. 8. You will bring me some vegetables, when I ask you. 9 If it rains, they will stay at home.