1. Nature would be cleaner if people littered less.
2. If I had prepared better, I would have gotten an A.
3. The soup would taste better if I added more salt.
4. I would read books if the holidays started.
5. I would help you if I could.
6. I'd be freezing if I didn't wear a jacket.
7. If I had a dog I would play with him all day.
8. If I could I would draw you.
9. I'd eat if I was hungry.
10. I can't imagine what if we didn't have the internet.
надеюсь я правильно понял вопрос. как-то так.
