1. The people will protect the environment now. The environment will be nice.
`->` If the people protect the environment now, the environment will be nice.
2. Did they send food to homeless people last year ?
`->` Was food given to homeless people last year?
3. “I have to learn hard to pass the entrance exam”.
`->` Lan said that she had to learn hard to pass the entrance exam.
4. We cooked food then cleaned the kitchen.
`->` After we had cooked food, we cleaned the kitchen.
5. “I don’t have any lessons today.” Peter said to his roommate.
`->` Peter said to his roommate that he didn't have any lessons that day.
6. The storm destroyed many buildings in this city yesterday.
`->` Many buildings in this city were destroyed by the storm yesterday.
7. Mr Pike said: “ Our trip cost us two thousand dollars.”
`->` Mr Pike said that their trip cost them two thoudsand dollars.
8. My mother said that she thought it wouldn’t rain the following day.
`->` My mother said : " I think it won't rain tomorrow"