I have been doing sth.和I have done sth.有何区别?有个句子是这样的:Mr.Smith has lived in London since 1979．说是没有久居的意思,但是还有个句子I've lived here all my life.那么这个句子就是一个持久的典型.那么

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Ihavebeendoingsth.和Ihavedonesth.有何区别?有个句子是这样的:Mr.SmithhaslivedinLondonsince1979．说是没有久居的意思,但是还有个句子I''v

I have been doing sth.和I have done sth.有何区别?有个句子是这样的:Mr.Smith has lived in London since 1979．说是没有久居的意思,但是还有个句子I've lived here all my life.那么这个句子就是一个持久的典型.那么
I have been doing sth.和I have done sth.有何区别?
有个句子是这样的:Mr.Smith has lived in London since 1979．说是没有久居的意思,但是还有个句子I've lived here all my life.那么这个句子就是一个持久的典型.那么完成时是表示已经完成的动作这个表示长久的为什么可以用完成时?还是句子什么地方有错?
别说的那么笼统谁都知道是这样的,具体就我提的例句给个解释.不要答非所问.

I have been doing sth.和I have done sth.有何区别?有个句子是这样的:Mr.Smith has lived in London since 1979．说是没有久居的意思,但是还有个句子I've lived here all my life.那么这个句子就是一个持久的典型.那么
I have been doing sth：意思是我从以前就开始做一直做到现在都没有停.现在完成进行时
例如：我一直在长高.
我从小到大一直在长在现在也在长.这时候就要用这个.
I have been growing up
I have done sth：我已经做完某事了.现在完成时
强调事情已经全部完成了.
我做完了作业.
I have finished my homework

过去一直在做和过去已经做过了
前者强调动作，一直在做
后者强调事情，已经做完了

HAVE DONE STH意思是已经完成某行为或动作；
HAVE BEEN DOING STH意思是此动作或行为从过去某一时间开始，现在仍在进行，将在以后某时间停止．

有关Mr. Smith has lived in London since 1979.的问题,这个句型,如果动词是持续性动词,那么翻译的时候就以这个动作结束后来翻译,如果是瞬时性动词,就以这个动作开始时来翻译.就是sb have done sth since+时间.
大概就是这样了.因为第二个句子没有since,所以不符合这个规律...

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i has been doing 还是i have been doing have been doing sth Celia asks,What have you been doing these days?Celia asks () I () been doing those days. have been doing 神马意思? what you have been doing Maybe I'm not perfect,but I have been doing myseMaybe I'm not perfect,but I have been doing myself.语法对吗 has been doing have been done区别 have been doing ,have done和have doing区别 I have been dreaming to be a teacher all the time.all the time 和have been doing是否重复? i have been to和i have been doing 和i have been.区别i have been to和i have been doing 和i have been+done内些的区别~解释清楚点,内些死定义不太明白譬如说我已经读过这本书我曾经买过一辆车都怎么说， have been doing 为什么还有 have been deadj have been do和have been doing的不同翻译I have been doing my research work in this institute since last year. 英语：现在完成时应该什么时候使用?还有I have been doing这种形式又应该何时使用? What have you been doing s__ I saw you last time? I’ll go to the library as soon as I finish what IA.was doing B.am doing C.have done D.had been doing have been doing,had been doing,will have been down是什么英语比较厉害的关于 have been 的用法的~have been do sth.have been doing sth.有什么区别?比如：I skated for 4 hours.和 I have been skated for 4 hours.有什么区别?