have been done&done作状语时如何区分?

have been done&done作状语时如何区分? must have been done must have done have been done 和 to be done have been done为什么只做状语不作定语 being done,have been done和having done怎么分辨 非谓语动词作状语时,have been done 和done的区别 have been done 语法呢 HAVING BEEN DONE和HAVE BEEN DONE有什么区别? have done 与have been done的区别 have done和have been done 的区别, have been done 是什么时态?那have done呢? should have done与should have been done的区别? since前用have done 还是have been done have done和have been done的用法是什么? have done和have been done有什么分别 have done与have been done的区别, has been doing have been done区别 非谓语动词中being done ,done,having been done,have done 有什么区别