1. If Carl runs faster, he can win the race.

2. If I work hard, I can succeed.

3. If Peter eats too much, he will feel sick.

4. If Sam takes some medicines, she will become well.

5. If Bob finds a job, his wife will not shout at him.

6. If Laura is very tired, she will go to sleep.

7. If you revise your lessons, you won’t fail the exam.

8. If you brush your teeth regularly, you won’t have a toothache.

9. If Sara does some experiments, she can understand chemistry well.

10. If you drive carefully, you won’t have an accident.