Conditional I 1) If people are more careful, pollution won’t kill so many fishes and plants in the sea.
2) If they don’t throw away tons of rubish, they won’t have so many enviromental problems now.
3) If we stop using poisonous gases, our air will be fresh and clear.
Conditional II
1) If people were more careful, pollution wouldn`t kill so many fishes and plants in the sea.
2) If they didn`t throw away tons of rubish, they wouldn`t have so many enviromental problems now.
3) If we stopped using poisonous gases, our air would be fresh and clear.
Conditional III
1) If people had been more careful, pollution wouldn`t have killed so many fishes and plants in the sea.
2) If they hadn’t thrown away tons of rubish, they wouldn`t have had so many enviromental problems.
3) If we had stopped using poisonous gases, our air would have been fresh and clear.
1. The tree has been blown down.
2. The windows have been broken.
3. The jeans have been mended.
4. The picture has been stolen.