has been doing have been done区别

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has been doing have been done区别

have been done 已经被完成
The work has been done.工作已经完成.（被我们完成,含被动意）
have been doing 完成进行时
He has been playing computer games for 6 hours.他到现在为止已经连续6小时玩电脑游戏了.（可能还在继续玩下去）
have done 现在完成时
I have done my homework.我已经完成作业了.（跟第一个一样的时态,只是第一是被动,这个是主动）

has been doing是现在完成进行时，强调的是动作从过去某一时间开始，一直延续到现在，并且很有可能还要继续下去，或者表示在说话时刻之前到现在正在进行的动作。

举个例子：I have been learning English since three years ago。我从3年前就开始学英语了

have been done是现在进行时的被动形式，表示...

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has been doing是现在完成进行时，强调的是动作从过去某一时间开始，一直延续到现在，并且很有可能还要继续下去，或者表示在说话时刻之前到现在正在进行的动作。

举个例子：I have been learning English since three years ago。我从3年前就开始学英语了

have been done是现在进行时的被动形式，表示某个事物已经被怎么样了，

举个例子：the desk has been broken。桌子早被弄坏了，

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