现在完成进行时 有限的延续 什么意思
网校学员ur4**在学习新概念英语2、3、4册连读【双11专享班】时提出了此问题，已有1人帮助了TA。
网校助教
清醒季smile
同学你好，该知识点来自沪江网校《新概念英语2、3、4册连读【双11专享班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。
同学你好～现在完成进行时表示动作从某一时间开始，一直持续到现在，或者刚刚终止，或者可能仍然要继续下去。
如果动作已经终止了，这个延续就是有限的。
Ann is very tired. She has been working hard.
祝同学学习进步~
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已有43人在本课程中发现了3302个知识
已有3012个知识得到了老师的回复
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