你把过去分词跟被动语态搞混了吧?!!!我们用被动语态来强调通常句子里的谓语,或者当主语不重要时.被动语态的形式:主语+be+done虽然形式里有过去分词,但是跟过去完成时一点关系没有。 举个例子,the police arrested himhe was arrested他被逮捕了,不用问也知道是警察逮捕的,所以这里不写he was arrested by the police,再举个例子,如果你要能写过去完成时态的被动语态,可能会明白:He has been arrested( by the police)SUBJECT+have been+doneSUBJECT+be+done看出来了吗?公式中间...