1. If I wake up late I am late to school.
2.If it doesn't rain plants can't grow.
3. If you heat ice it melts.
4. I feel sick if I eat too much ice cream.
5. If he tries to cook he spoils all food.
6. If we sing very loudly our neighbours aren't happy.
7. If people eat too many sweets they get fat.
8. If you leave your bike here somebody can take it.
9. If it rains tennis lesson is held in the gym.
10. If you press the button the doorbell rings.