延续动词与瞬间动词
<p> 1) 用于完成时的区别</p><p> 延续动词表示经验、经历； 瞬间动词表示行为的结 果，不能与表示段的时间状语连用。</p><p> <span word="He">He</span> <span word="has">has</span> <span word="completed">completed</span> <span word="the">the</span> <span word="work">work</span>. 他已完成了那项工作。 (表结果)</p><p> <span word="I">I</span>’<span word="ve">ve</span> <span word="known">known</span> <span word="him">him</span> <span word="since">since</span> <span word="then">then</span>. 我从那时起就认识他了。(表经历)</p><p> 2) 用于<span word="till">till</span> / <span word="until">until</span>从句的差异<span word="http">http</span>://<span word="yingyu">yingyu</span>.<span word="chazidian">chazidian</span>.<span word="com">com</span></p><p> 延续动词用于肯定句，表示做……直到…… 瞬间动词用于否定句，表示到……，才……</p><p> <span word="He">He</span> <span word="didn">didn</span>’<span word="t">t</span> <span word="come">come</span> <span word="back">back</span> <span word="until">until</span> <span word="ten">ten</span> <span word="o">o</span>’<span word="clock">clock</span>. </p><p> 他到10 点才回来。</p><p> <span word="He">He</span> <span word="slept">slept</span> <span word="until">until</span> <span word="ten">ten</span> <span word="o">o</span>’<span word="clock">clock</span>. </p><p> 他一直睡到10点。</p><p> </p><p>典型例题</p><p>1. <span word="You">You</span> <span word="don">don</span>’<span word="t">t</span> <span word="need">need</span> <span word="to">to</span> <span word="describe">describe</span> <span word="her">her</span>. <span word="I">I</span> ___ <span word="her">her</span> <span word="several">several</span> <span word="times">times</span>. </p><p><span word="A">A</span>. <span word="had">had</span> <span word="met">met</span> <span word="B">B</span>. <span word="have">have</span> <span word="met">met</span> <span word="C">C</span>. <span word="met">met</span> <span word="D">D</span>. <span word="meet">meet</span></p><p> 答案<span word="B">B</span>. 首先本题后句强调对现在的影响，我知道她的模样，你不用描述。再次，<span word="several">several</span> <span word="times">times</span>告知为反复发生的动作，因此用现在完成时。</p><p>2.---<span word="I">I</span>’<span word="m">m</span> <span word="sorry">sorry</span> <span word="to">to</span> <span word="keep">keep</span> <span word="you">you</span> <span word="waiting">waiting</span>.</p><p> ---<span word="Oh">Oh</span>, <span word="not">not</span> <span word="at">at</span> <span word="all">all</span>. <span word="I">I</span> ___ <span word="here">here</span> <span word="only">only</span> <span word="a">a</span> <span word="few">few</span> <span word="minutes">minutes</span>.</p><p> <span word="A">A</span>. <span word="have">have</span> <span word="been">been</span> <span word="B">B</span>. <span word="had">had</span> <span word="been">been</span> <span word="C">C</span>. <span word="was">was</span> <span word="D">D</span>. <span word="will">will</span> <span word="be">be</span></p><p> 答案<span word="A">A</span>. 等待的动作由过去开始，持续到现在，应用现在完成时。</p></p>
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