一直搞不清楚perfect continuous 和present perfect的区别还有用法,

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一直搞不清楚perfect continuous 和present perfect的区别还有用法,
一直搞不清楚perfect continuous 和present perfect的区别还有用法,请大神根据例题指教一下谢谢

前者是现在完成进行时,它所强调的是动作的持续性,是对动作本身的强调,而后者是现在完成时,它强调现在已经完成的动作,或是还在还正在进行的动作,对现在所造成的影响.
再问：怎么分清哪句是要强调动作哪句是另外一个，他们都涉及到一个动作的持续性吧
再答：他们确实都涉及一个持续性，但是现在完成时更强调:所发生的动作对现在的影响，而完成进行时，却是对其本身动作的强调
再答：具体选择使用哪个要根据出题人意图来判断，看他所要强调的是什么，不懂的话，继续问我。
再问：懂了谢谢

present perfect continuous和present perfect simple的区别与用法英语问题,求解释present perfect 和 present perfect continuous. present continuous tense 跟present perfect continuous tense的混 present perfect simple and present perfect continuous past continuous/present continuous/present perfect continuou 什么是PRESENT PERFECT CONTINUOUS啊? 请问present simple,the present continuous,the present perfect这 Present simple,present continuous,present perfect simple,pre present simple和present continuous 的用法 present perfect progressive 现在完成进行和present perfect 有什么区别现在完成进行时：The present perfect continuous是这样写的嘛? The present perfect of be is contrasted with the continuous