have been done&done作状语时如何区分?

have been done&done作状语时如何区分? 【高手拆招】have been done&done作状语时如何区分? 非谓语动词作状语时,have been done 和done的区别 对having done/having been done作状语时 不清楚 have been done为什么只做状语不作定语 having been done 和done作状语的区别 分词作状语：doing ,done ,having been done ,noe having done ,都怎么用? being done,have been done ,have done,done 英语时态区分have done .have been doing.had done.had been doing.有什么 being done与done作状语 MUST have been done must have been done must have done