My Mum has worked in this school for over 20 years.My Mum has been working in this school for..有什么区别?

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My Mum has worked in this school for over 20 years.My Mum has been working in this school for..有什么区别?
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My Mum has worked in this school for over 20 years.My Mum has been working in this school for..有什么区别?
My Mum has worked in this school for over 20 years.My Mum has been working in this school for..
有什么区别?

My Mum has worked in this school for over 20 years.My Mum has been working in this school for..有什么区别?
完成时强调的是动作对现在产生的影响和结果.而完成进行时是强调这个动作是不间断一直在进行的动作.这个两个句子都是对的.第一句,翻译是,我妈妈在这所学校工作已经20年了.第二句是说,我妈妈20年来一直在这所学校工作.

第一句:我妈妈在这个学校已经工作了20多年。(有可能继续在这个学校工作)
第二句:我妈妈在这个学校已经一直工作20多年。(肯定会继续在这个学校工作)
ICOX英语

我妈妈曾在这所学校已有20多年。我妈妈一直在这所学校为..
就这样哦

has worked是现在完成时,现在完成时后面跟since引导的时间点。has been working是现在完成进行时,一般强调动作进行的时候选择完成进行时,后面跟for引导的一

My Mum has worked in this school for over 20 years.My Mum has been working in this school for..有什么区别? My mother has worked in this factory 2 years.My mother has worked in this factory _____ 2 years.(A)about (B)for (C)in (D)since my mother ( )in that factory at the age of 18. A.had worked B.has worked C. worked D. works请说明原因. My aunt has worked as a secretary____2000.A.in B.since C.on D.for My uncle has worked in Beijing for more than twenty years.同义句:My uncle___to work in Beijing__twenty years___. have been doing 的用法,My borhter has worked in that factory since two years ago 问:不是have been doing吗,为什么会是has worked,余很笨, My father ___(work) in the factory since three years ago.A has worked B has begun to work为什么 My mother has worked in the shop since it ____A opensB has openedC opened并说明理由 my father-------in the factory for thirty years,and now he is at homeworked 可不可以用has worked My father worked in factory ( ) 1998. My uncle _____in Beijing for over 10yearS.now he lives in his hometown in Fuzhou.A、has worked B、wMy uncle _____in Beijing for over 10yearS.now he lives in his hometown in Fuzhou.A、has worked B、worked C、had worked D、worksfor+一段时间 -How long has his father worked in that city?-he has worked there s___ last year. It has worked well in controlling China's population.中的 has worked well 是不是语法点, My father ___(work) in the factory since three years ago.答案是has worked,我填has been working,可不可以呢?为什么 ___ then,my mom has worked as a teacher. my uncle ____in a high school in beijing,but recently he has studied in ausralia.a was working b is working c works d had worked Tom has worked in a office for about five years. 修改病句:He has worked in Benijing last year.