have done 与have been doing的区别?两者好像都有可以延续到过去的意思?我知道have been doing 肯定有,比如句子i have lived in U.S.for 2 monthsi have been living in U.S.两者好像没有区别啊,出选择题的话应该怎么

have done 与have been done的区别 should have done与should have been done的区别? have done与have been done的区别, must have been done must have done must have been与must have done的区别? have been done 与 having been done 与have been doing与having been doing有什么区别 have been done 语法呢 have been done 和 to be done Have/Has been done 与Have/Has done 到底有什么区别啊 could have been done ,could have having been done 与 have been done 的区别和用法?求大神帮助 have done与have be done must have been doing与must have been done都表示推测,有什么区别呀? has been doing have been done区别 have done和have been done 的区别, have been done 是什么时态?那have done呢? since前用have done 还是have been done have done和have been done的用法是什么?