1. If you do not water the plants, they will not grow.

2. Sam normally comes on time if his train is not late.

3. If we don't hurry, we will be late for the show.

4. If you do not work hard, you will not pass.

5. You will be sick if you don't stop eating.

6. I won’t forgive him if he doesn’t apologize to me.

7. They will go to picnic if it isn’t cold tomorrow.

8. You can’t travel to Germany if you don’t have visa.

9. I get very hungry at work if I don’t have breakfast in the morning.

10. You can’t graduate from school if you don’t pass the final exams.

11. If you’re not tired, let’s go for a walk.

12. If she doesn’t work hard, she won’t get a promotion.

13. Don’t sign the document if you don’t read it carefully.

14. He mustn’t drive if he doesn’t have a driver’s license.

15. We will miss the train if we do not start now.