Bài 6:

1. If there was a library in my neighborhood, I could borrow books.

2. If my health was good, I would play extreme sports.

3. If it was sunny, we could go for a picnic.

4. If I had much free time, I could come to your party.

Bài 7:

1. We would be happy if air pollution were the only problem.

2. They would be disappointed if you didn't go to their party.

3. If we use this kind of light bulb, we can save energy.

4. Peter should go to sleep if he didn't want to be tired the next morning.

5. If you took more exercises, you would be more resistant to diseases.

6. You may have car accident unless you drive more carefully.

7. If I travel to London, I will visit its museum.

8. If they offer me the job, I think I will accept it.

9. Many people will be out of work if the local factory closed down.

10. What happened if that red button was pressed?