过去分词作状语问题Having been suffered such heavy pollutin already,it

having suffered such heavy pollution already,it may now be t 帮我看一个英语句子,eg：Having suffered such heavy pollution already,it Having suffered sruch heavy pollution already it may now be 请教Having been done与过去分词的一般式作状语时有什么区别? Having suffered such heavy loss,the businessman didn't have 过去分词作状语的时态问题 Having suffered such a heavy loss和suffered such a --的区别 作状语的的过去分词什么时候要用having +过去分词或者直接是过去分词呢 分词作状语：doing ,done ,having been done ,noe having done ,都怎么用? 改为用过去分词作定语或状语 1,We have been told to read the book It was wr 英语中关于过去分词作状语的问题 过去分词和现在分词作状语