2. If Jack hadn't helped me, I couldn't have moved this table.
3. Is you hadn't drunk too much coffee, you could have slept.
4. If a police hadn't recognized him, he wouldn't have been arrested.
5. If I hadn't known you were sleeping, I wouldn't have turned down the music.
6. If she hadn't tried to work hard, she wouldn't have been successful.
7. If Khoa hadn't gone slowly, he would have caught the bus.
8. If he hadn't been ill, he wouldn't have been absent yesterday.
9. If it hadn't rained too heavily, I wouldn't have gone to school late.
10. If he had been careful, he wouldn't have lost all his money.