must have been doingg和have done的区别

have been done , have been doing ,have done的区别是什么如题
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)
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have been doing 完成进行时.你可以后面用since
扫描下载二维码have /has been doing 是什么时态
have /has been doing 是什么时态
如题,它和have done 有什么区别吗?谢谢各位。(不太急)
过去时间里开始、并持续到现在,一直在进行的(或刚结束的)动作或状态。 构成:have/has been doing sth. 或 have/has been + v.-ing 例句:I have been working for 12 hours. 我已经工作了12小时了(刚结束了工作,或者还正在做并将继续)。
[编辑本段]现在完成进行时的谓语动词构成
I/ we/ you/ they have been doing sth.he/ she/ it has been doing sth.(一)表示从过去某时开始一直持续到现在的动作,并且还将持续下去。The Chinese have been making paper for two thousand years.中国有2000年的造纸历史。(动作还将继续下去)I have been learning English since three years ago.自从三年前以来我一直在学英语。(动作还将继续下去)(二)表示在说话时刻之前到现在正在进行的动作。We have been waiting for you for half an hour.我们已经等你半个钟头了(人还没到,如同在电话里说的,还会继续等)(三)有些现在完成进行时的句子等同于现在完成时的句子。They have been living in this city for ten years.They have lived in this city for ten years.他们在这个城市已经住了10年了。I have been working here for five years.I have worked here for five years.我在这里已经工作五年了。(四)大多数现在完成进行时的句子不等同于现在完成时的句子。I have been writing a book.(动作还将继续下去)我一直在写一本书。I have written a book.(动作已经完成)我已经写了一本书。They have been building a bridge.他们一直在造一座桥。They have built a bridge.他们造了一座桥。(五)表示状态的动词不能用于现在完成进行时。I have known him for years.我认识他已经好几年了。* I have been knowing...这类不能用于现在完成进行时的动词还有:love爱,like喜欢,hate讨厌,等。
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现在完成进行时,第一个的意思就是你已经做了这件事,但是有可能还会做下去,是一个持续时间,可以加时间。而have & done &就只表示已经做了,强调一个做过的状态,一般不加具体时间。祝学习进步
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外语领域专家
&SOGOU - 京ICP证050897号have been doing 和was doing的区别
米色长裙0253
have been doing 表示过去某一动作一直持续到现在,而且还有可能继续持续 下去.was doing表示过去某一时刻正在进行的动作.
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was doing 过去进行时,表示过去某一个阶段一直在进行的动作。have been doing 现在完成进行时。现在完成进行时一、现在完成进行时的谓语动词构成 have/has been working二、现在完成进行时的功能
(一)表示从过去某时开始一直持续到现在的动作,并且还将持续下去。
I have been lear...
have been doing 现在完成进行时;是指发生在过去并且现在仍在继续的事情So you have been doing very nicely at Tara, have you?"你就这样在塔拉一直过得很好,是吗? was doing 过去进行时We were building a reservoir last winter. 去年冬天我们在修建一座水库。
have been doing 现在完成时,(直到说话时或到说话时为止)一直在做和was doing过去进行时 ,过去某个时候在做(动作没有延续到现在)
扫描下载二维码英文语法问题having done与have been doing的区别She has apparently been dozing and,having come to just as the sentence ended,was attempting to cover for her inattention.书上说having done是非谓语动词做状语表示动作在谓语动作之前的用法,是现在分词的完成形式,have been doing这个是现在完成进行时不用说了,可是上面的例句里having come to...似乎是与前面的has been dozing一样都是主语she的谓语呀?为什么前一个用现在完成进行时,后一个用现在分词的完成式?究竟二者用法之间有什么区别呢?
在这句话中,首先看到中间有个and,这其实就表明这是两个独立完整的句子连在一起表达,也就是说(1)She has been dozing(2)Having come to just as the sentence ended,she waws attempting to cover for her inattention.后面那个having.其实是伴随状语,并不是谓语,这个having是动名词.
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