2017江苏《夺冠之路》高三英语【牛津译林版】一轮复习精品学案：语法部分 第6讲 情态动词和虚拟语气
<p> 第6讲 情态动词和虚拟语气（要点透析）情态动词</p><p> 情态动词表示说话人的语气和情绪，本身词义不全，不能单独作谓语，后面必须与动词原形一起构成谓语。情态动词没有人称和数的变化，有的情态动词有过去式。常见的情态动词有<span word="can">can</span>, <span word="could">could</span>, <span word="may">may</span>, <span word="might">might</span>, <span word="must">must</span>, <span word="have">have</span> <span word="to">to</span>, <span word="shall">shall</span>, <span word="should">should</span>, <span word="will">will</span>, <span word="would">would</span>, <span word="ought">ought</span> <span word="to">to</span>, <span word="need">need</span>, <span word="dare">dare</span>, <span word="used">used</span> <span word="to">to</span>等。</p><p> 一、 情态动词的基本用法</p><p> (一) <span word="can">can</span>, <span word="could">could</span>的用法</p><p> 1．表示体力或脑力(知识、技能)所产生的能力。</p><p> <span word="Her">Her</span> <span word="mother">mother</span> <span word="can">can</span> <span word="speak">speak</span> <span word="French">French</span>.</p><p> <span word="He">He</span> <span word="could">could</span> <span word="read">read</span> <span word="books">books</span> <span word="in">in</span> <span word="English">English</span> <span word="when">when</span> <span word="he">he</span> <span word="was">was</span> <span word="only">only</span> <span word="five">five</span>.</p><p> 2．表示客观的可能性。</p><p> <span word="Anybody">Anybody</span> <span word="can">can</span> <span word="make">make</span> <span word="mistakes">mistakes</span>.</p><p> <span word="Man">Man</span> <span word="can">can</span> <span word="not">not</span> <span word="live">live</span> <span word="without">without</span> <span word="air">air</span>.</p><p> 3．表示请求建议，用<span word="could">could</span> 比 <span word="can">can</span>语气更委婉。(回答用原形)</p><p> <span word="Could">Could</span> <span word="you">you</span> <span word="wait">wait</span> <span word="a">a</span> <span word="few">few</span> <span word="days">days</span> <span word="for">for</span> <span word="the">the</span> <span word="money">money</span>?</p><p> <span word="Could">Could</span> <span word="you">you</span> <span word="be">be</span> <span word="here">here</span> <span word="at">at</span> <span word="eight">eight</span> <span word="o">o</span>'<span word="clock">clock</span> <span word="tomorrow">tomorrow</span> <span word="morning">morning</span>?</p><p> 4．表示允许、许可，用<span word="could">could</span> 比 <span word="can">can</span>更委婉客气。</p><p> <span word="Could">Could</span>/<span word="Can">Can</span> <span word="I">I</span> <span word="borrow">borrow</span> <span word="your">your</span> <span word="reference">reference</span> <span word="books">books</span>?</p><p> <span word="You">You</span> <span word="can">can</span> <span word="smoke">smoke</span> <span word="in">in</span> <span word="the">the</span> <span word="entrance">entrance</span> <span word="hall">hall</span>.</p><p> 【疑难点击】</p><p> 1. 否定句、疑问句和感叹句中，表示怀疑、惊异、不相信的态度。</p><p> <span word="Can">Can</span> <span word="it">it</span> <span word="be">be</span> <span word="true">true</span>?</p>
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