英语作文:用初中八种时态的被动时态写一篇作文,谢了,我高分悬赏_百度知 ...答:应用到各种时态和句型,如下: ① 一般式(一般现在,一般过去,一般将来):am, is, are, was, were, is going to be , will be+done . ie. Once environmental damage is done, it takes many years for the system to recover. 本句的意思是:“环境一旦遭到破坏,需要多年时间才能恢复过来...