1. Scientists have invented new devices to help people live a longer life.
New devices have been invented by scientists to help people live a longer life.
2. I don't have enough time, so I can't go on holiday this summer.
If I had enough time, I would go on holiday this summer.
3/The man had a broken leg. He tried to save his wife.-
→In spite of having a broken leg, the man tried to save his wife
3. I can't tell you because I don't know the answer.-
If I knew the answer, I would tell you.
5. They will do the test well. They will review them all hard.--
>If they review them all hard, they will do the test well.
6. The rescue workers evacuated the villagers in the raged flood to the safe place last night.
→>The villagers in the raged flood. were evacuated by the rescue workers to the safe place last night.
7. The students will provide aids for the homeless people tomorrow.--
>Aids will be provided by the students for the homeless people tomorrow.
8. The people will protect the environment now. The environment will be nice
➜If the people protect the environment now, the environment will be nice.
9. They don't have a map, so they get lost
→If they don't have a map, they will get lost.
10. The storm destroyed many houses in this village last week
--->Many houses were destroyed in this village by the storm last week.
11. Did they give food to homeless people last year
->Was food given to homeless people last year?
12.Although the weather was bad the fooball match was not canceled.--
>Despite the bad weather, the football match was not canceled.