Exercise 4: Use your own ideas to complete these sentences.

1) If my friend tells me a lie, I won't believe him anymore. 2) Life would be boring if we didn't have friends. 3) We would go to the dentist if our tooth hurt. 4) If I get bad marks at school, my parents will be upset. 5) If you go to bed very late, you will feel tired in the morning. 6) If I were taller, I would be able to reach the top shelf. 7) I wouldn't be very happy if someone took my things without permission. 8) If it snows every day next week, we will build many snowmen.