初中英语时态知识点：过去进行时误区提醒
<p> 误区提醒</p><p> 过去进行时与一般过去时的区分，可能是同学们头疼的地方。大家可以记住以下四条;</p><p> 1、一般过去时往往表示某一动作已经完成，而过去进行时却表示动作在持续或未完成。(延续性动词)</p><p> <span word="She">She</span> <span word="wrote">wrote</span> <span word="a">a</span> <span word="letter">letter</span> <span word="to">to</span> <span word="her">her</span> <span word="friend">friend</span> <span word="last">last</span> <span word="night">night</span>. 她昨晚给朋友写了封信。 (信写完了)</p><p> <span word="She">She</span> <span word="was">was</span> <span word="writing">writing</span> <span word="a">a</span> <span word="letter">letter</span> <span word="to">to</span> <span word="her">her</span> <span word="friend">friend</span> <span word="last">last</span> <span word="night">night</span>. 她昨晚一直在给朋友写信。(信不一定写完)</p><p> 2、一般过去时表示只做一次动作，而过去进行时却表示动作反复地进行。(短暂性动词)</p><p> <span word="She">She</span> <span word="waved">waved</span> <span word="to">to</span> <span word="me">me</span>. 她朝我挥了挥手。</p><p> 3、句中有<span word="a">a</span> <span word="moment">moment</span> <span word="ago">ago</span>之类的笼统的时间短语一般用一般过去时。</p><p> 4、句中有<span word="at">at</span> <span word="this">this</span> <span word="time">time</span> <span word="last">last</span> <span word="Sunday">Sunday</span>, <span word="from">from</span> 8 <span word="to">to</span> 9 <span word="yesterday">yesterday</span> 之类的具体的时间状语一般用过去进行时。</p><p> 典型例题：<span word="I">I</span> ______ (<span word="write">write</span>) <span word="a">a</span> <span word="letter">letter</span> <span word="at">at</span> <span word="ten">ten</span> <span word="last">last</span> <span word="night">night</span>.</p><p> 解析：所给的时间状语<span word="at">at</span> <span word="ten">ten</span> <span word="last">last</span> <span word="nigh">nigh</span>昨天晚上十点钟是具体的过去的某一时刻，所以应该用过去进行时。</p><p> 答案：<span word="was">was</span> <span word="writing">writing</span></p>
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