has been doing have been done区别

2024-12-20 00:47:38
推荐回答(2个)
回答1:

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,

希望能帮到你

回答2:

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)