1. The water is contaminated, so people get serious diseases.
→If water weren't contaminated, people wouldn't get serious diseases.
2. Put trash into the garbage bins or the street will become a garbage dump.
→If we don't put trash into the garbage bins, the street will become a garbage dump.
3. They have invented new devices to help people live a longer life
→New devices have been invented to help people live a longer life.
4. "I'm going to read a book about Thomas Edison tomorrow"
→ Nick said that he was going to read a book about Thomas Edison the next day.
5. Today isn't a holiday, so we cannot go to the beach.
→ If today were a holiday, we could go to the beach.
~ Gửi bạn ~