1. You ought to do exercises every morning if you want to be healthy.
2. If you want to be better, you should stay in bed.
3. If you want to lose weight, you should go on a diet.
4. If he is taller, he can play basketball.
5. You have to brush your teeth after each meal if you want to have healthy teeth.
6. If you don't learn the lessons carefully, you can not do the test well.
7. If you want to pass the next exam, you must study harder.
8. If you want to go to town, I can give you a lift.
9. You must finish your homework if you want to play computer games.
10. If the suitcases are too heavy, I can help you carry them.