4. → If.... 5. Lan didn't call me be 6. → If ..... He didn't study his lessons very carefully, so he gets bad marks now. You're unhealthy because you don't take exercise. 7. →If..... Leon often causes accidents because he drives carelessly. → If..... 8. I can't apply for that job because I don't know English. → If......... .. che eats too much chocolate.