被动的时候用has been done啊
My homework has been finished.我的作业已经被完成了!那have been doing句型呢？？have been doing是现在完成进行时We have been doing homework all day.我们一天都在做作业！那I have been to China for two times呢she had been ill since last week呢？？这个就是 have done 结构啊，只是用了be动词的 done 结构