1. He would sleep better, if he opened the window.
2. It won't take you much tame to do this, if you begin earlier.
3. If the referee hand't stopped the foodball match, they would have won.
4. The boy will be punished, if he doesn't stop.
5. If I won a lot of money, I would travel a lot.
6. She would stay at the hotel, if she booked a room.
7. If you strain your ears, you could hear better.
8. If he had a chance, he would apologize.
9. We will start preparing for the examination, if we have enough time.
10. We could remain after classes, if we had time.
11. If that tree fell down, we wouldn't have fresh air next year.
12. You'll get lost if you lose the map.
13. If we had waited for the next train, we would have missed the movie.
