2017届广东省广州市天河中学高考英语语法一轮复习基础知识点精讲：情态动词01（含答案）
<p> 情态动词</p><p> 情态动词表示说话人对动作或状态的各种观点和态度，如需要、猜测、意愿或怀疑等。情态动词有词义，但不完全，是所谓的“辅助性”动词，在句中不能单独充当谓语。</p><p> 一、 情态动词的特征和形式</p><p> <span word="A">A</span>. 情态动词的各种形式见下表：</p><p> 情态动词 否定式 简略否定式</p><p> <span word="may">may</span><span word="might">might</span> <span word="can">can</span> <span word="could">could</span> <span word="must">must</span> <span word="have">have</span> <span word="to">to</span> <span word="ought">ought</span> <span word="to">to</span> <span word="will">will</span> <span word="would">would</span> <span word="shall">shall</span> <span word="should">should</span> <span word="need">need</span> <span word="dare">dare</span> <span word="used">used</span> <span word="to">to</span> <span word="may">may</span> <span word="not">not</span> <span word="might">might</span> <span word="not">not</span> <span word="cannot">cannot</span> <span word="can">can</span> <span word="not">not</span> <span word="could">could</span> <span word="not">not</span> <span word="must">must</span> <span word="not">not</span> <span word="do">do</span> <span word="not">not</span> <span word="have">have</span> <span word="to">to</span> <span word="ought">ought</span> <span word="not">not</span> <span word="to">to</span> <span word="will">will</span> <span word="not">not</span> <span word="would">would</span> <span word="not">not</span> <span word="shall">shall</span> <span word="not">not</span> <span word="should">should</span> <span word="not">not</span> <span word="need">need</span> <span word="not">not</span> <span word="dare">dare</span> <span word="not">not</span> <span word="used">used</span> <span word="not">not</span> <span word="to">to</span> <span word="did">did</span> <span word="not">not</span> <span word="use">use</span> <span word="to">to</span> <span word="mayn">mayn</span>'<span word="t">t</span>（老式英语，现在不常见） <span word="mightn">mightn</span>'<span word="t">t</span> <span word="can">can</span>'<span word="t">t</span> <span word="couldn">couldn</span>'<span word="t">t</span> <span word="mustn">mustn</span>'<span word="t">t</span> <span word="don">don</span>'<span word="t">t</span> <span word="have">have</span> <span word="to">to</span> <span word="oughtn">oughtn</span>'<span word="t">t</span> <span word="to">to</span> （否定句中<span word="to">to</span>可省略） <span word="won">won</span>'<span word="t">t</span> <span word="wouldn">wouldn</span>'<span word="t">t</span> <span word="shan">shan</span>'<span word="t">t</span> （只用于英国英语） <span word="shouldn">shouldn</span>'<span word="t">t</span> <span word="needn">needn</span>'<span word="t">t</span> <span word="daren">daren</span>'<span word="t">t</span> <span word="usedn">usedn</span>'<span word="t">t</span> <span word="to">to</span> <span word="didn">didn</span>'<span word="t">t</span> <span word="use">use</span> <span word="to">to</span></p><p> <span word="B">B</span>．情态动词除<span word="ought">ought</span> <span word="to">to</span>, <span word="used">used</span> <span word="to">to</span>等外，后面只接不带<span word="to">to</span>的不定式。</p><p> 1．情态动词+<span word="do">do</span> <span word="You">You</span> <span word="shouldn">shouldn</span>'<span word="t">t</span> <span word="be">be</span> <span word="so">so</span> <span word="careless">careless</span>. 你不该这样粗心大意。 <span word="Jessica">Jessica</span> <span word="told">told</span> <span word="him">him</span> <span word="yesterday">yesterday</span> <span word="she">she</span> <span word="might">might</span> <span word="not">not</span> <span word="go">go</span> <span word="on">on</span> <span word="the">the</span> <span word="trip">trip</span>.</p><p> 杰西卡昨天告诉他，她可能不去旅行了。 <span word="Difficulties">Difficulties</span> <span word="can">can</span> <span word="and">and</span> <span word="must">must</span> <span word="be">be</span> <span word="overcome">overcome</span>.困难能够而且必须克服。2．情态动词+<span word="be">be</span> <span word="doing">doing</span> <span word="She">She</span> <span word="must">must</span> <span word="be">be</span> <span word="listening">listening</span> <span word="to">to</span> <span word="pop">pop</span> <span word="music">music</span>. 她肯定在听流行音乐。 <span word="You">You</span> <span word="should">should</span> <span word="be">be</span> <span word="reviewing">reviewing</span> <span word="your">your</span> <span word="lessons">lessons</span>.你应该在复习功课。 <span word="My">My</span> <span word="mother">mother</span> <span word="maymight">maymight</span> <span word="be">be</span> <span word="cooking">cooking</span> <span word="now">now</span>.我妈妈可能正在做饭。</p>
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