3. If I didn't have lots of good friends, I would get very lonely
4. If it rains heavily, the match can be cancelled
5. If Simon lived near his mother, he could visit her often
6. If I had free time, I could go to see him
7. If I weren't poor, I could travel around the world
8. If I were a millionaire, I could help all people
9. If I were old enough, I could decide my own life
10. If I weren't tired, I could finish my work
II
1. If people stop using dynamite for fishing , a lot of sea creatures will be preserve
2. If we use less paper, we can save trees in the forest
3. If we plant more tree along the streets, we will have more shade and fresh air
4. If we work hard, we will make this beach a clean and beautiful place again
5. If we keep our environment clean, we ill live a happier and healthier life
6. If Ba were rich, he could travel around the world