山东省高密市教科院2017届高三高考二轮复习英语《情态动词》学案
<p> 高考考点</p><p> 一、情态动词的基本用法，</p><p> 二、情态动词表示推测的用法辨析，</p><p> 1、否定的推测：语气不很肯定时，常用<span word="may">may</span> <span word="not">not</span>,<span word="might">might</span> <span word="not">not</span>或<span word="could">could</span> <span word="not">not</span>，译为“可能不”“也许不”；否定语气较强时，则用<span word="can">can</span>’<span word="t">t</span>，译为“根本不可能”、“想必不会”，表示惊异、怀疑的感情色彩</p><p> 2、疑问句中推测往往用<span word="can">can</span>或<span word="could">could</span></p><p> 3.考查情态动词+动词不定式的完成式表推测的用法</p><p> 三、.考查情态动词+动词不定式完成式的其他用法</p><p> ①<span word="should">should</span>(<span word="ought">ought</span> <span word="to">to</span>)+不定式的完成式：本来应该做而实际上又没有做。其否定形式表示某中行为不该发生却发生了。</p><p> ②<span word="needn">needn</span>’<span word="t">t</span>+不定式的完成式：本来不必要做的而实际上又做了</p><p> ③<span word="could">could</span>+不定式的完成式：本可以做而实际上未能做,含有遗憾的意味</p><p> 四、情态动词在虚拟语气中的运用。</p><p> 高考例题</p><p> 【2017江西卷】22．<span word="We">We</span></p><p> <span word="have">have</span> <span word="bought">bought</span> <span word="so">so</span> <span word="much">much</span> <span word="food">food</span> <span word="now">now</span> <span word="that">that</span> <span word="Suzie">Suzie</span> <span word="won">won</span>’<span word="t">t</span> <span word="be">be</span> <span word="with">with</span> <span word="us">us</span> <span word="for">for</span> <span word="dinner">dinner</span>.</p><p> <span word="A">A</span>．<span word="may">may</span> <span word="not">not</span> <span word="B">B</span>．<span word="needn">needn</span>’<span word="tC">tC</span>．<span word="can">can</span>’<span word="t">t</span> <span word="D">D</span>．<span word="mustn">mustn</span>’<span word="t">t</span></p><p> 【答案】<span word="B">B</span></p><p> 【考点】考察情态动词的用法</p><p> 【解析】<span word="may">may</span> <span word="not">not</span>不可以，<span word="needn">needn</span>’<span word="t">t</span>不需要，<span word="can">can</span>'<span word="t">t</span>不可能， <span word="mustn">mustn</span>'<span word="t">t</span>绝不可能 本句句意为：既然<span word="Suzie">Suzie</span>不和我们一起吃晚饭，所以我们就不需要买这么多食物。</p>
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