Переделайте предложения на английском во все 3 типа. Даю 50 баллов СРОЧНО!
1) If people had been more careful, pollution wouldn`t have killed 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 had stopped using poisonous gases? our air would be fresh and clear.