2017高三英语二轮复习（江苏专用）B 高频考点（高频 规律 技巧）课件：B7
<p>(1)<span word="It">It</span> <span word="is">is</span>(<span word="has">has</span> <span word="been">been</span>)＋一段时间＋<span word="since">since</span>从句 <span word="This">This</span>(<span word="That">That</span>/<span word="It">It</span>)<span word="is">is</span> <span word="the">the</span> <span word="first">first</span>(<span word="second">second</span>...)<span word="time">time</span> <span word="that">that</span>＋现在完成时 <span word="This">This</span> <span word="is">is</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span> <span word="we">we</span> <span word="have">have</span> <span word="seen">seen</span> <span word="a">a</span> <span word="film">film</span> <span word="in">in</span> <span word="the">the</span> <span word="cinema">cinema</span> <span word="together">together</span> <span word="as">as</span> <span word="a">a</span> <span word="family">family</span>. 这是我们全家第一次到电影院看电影。 (2)在条件、时间、让步状语从句中，表示将来某时以前已完成的动作。 —<span word="When">When</span> <span word="shall">shall</span> <span word="we">we</span> <span word="restart">restart</span> <span word="our">our</span> <span word="business">business</span>? —<span word="Not">Not</span> <span word="until">until</span> <span word="we">we</span> <span word="have">have</span> <span word="finished">finished</span> <span word="our">our</span> <span word="plan">plan</span>. ——什么时候我们重新开始我们的事业？ ——直到我们已完成我们的计划。</p><p>2．下列情况下常用现在完成时。</p><p>过去完成时 1．过去完成时是一个相对的时态，考生做题时关键看该动作是否发生在题干中所给的过去的动作或过去的时间之前，如果是就用过去完成时，如果不是就用一般过去时。</p><p><span word="Last">Last</span> <span word="month">month</span>, <span word="the">the</span> <span word="Japanese">Japanese</span> <span word="government">government</span> <span word="expressed">expressed</span> <span word="their">their</span> <span word="thanks">thanks</span> <span word="for">for</span> <span word="the">the</span> <span word="aid">aid</span> <span word="they">they</span> <span word="had">had</span> <span word="received">received</span> <span word="from">from</span> <span word="China">China</span>.</p><p>上个月，日本政府对从中国得到的援助表示感谢。</p><p>2．<span word="by">by</span>, <span word="by">by</span> <span word="the">the</span> <span word="end">end</span> <span word="of">of</span>, <span word="by">by</span> <span word="the">the</span> <span word="time">time</span>, <span word="until">until</span>, <span word="before">before</span>, <span word="since">since</span>后接表示过去某一时间的短语或从句，主句用过去完成时。</p><p><span word="I">I</span> <span word="had">had</span> <span word="learnt">learnt</span> 5，000 <span word="words">words</span> <span word="before">before</span> <span word="I">I</span> <span word="entered">entered</span> <span word="the">the</span> <span word="university">university</span>.在我上大学前就学了5 000个单词。 3．表示“一……就……”的几个固定句型：<span word="Hardly">Hardly</span>/<span word="No">No</span> <span word="sooner">sooner</span>/<span word="Scarcely">Scarcely</span> <span word="had">had</span>＋主语＋过去分词＋<span word="when">when</span>/<span word="than">than</span>/<span word="before">before</span>＋从句(一般过去时)。</p>
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