2016届高考英语二轮词法专题讲座素材：10 情态动词
<p> 英语词法专题讲座十：情态动词</p><p> 一．情态动词的用法</p><p> 1. <span word="can">can</span> 用法</p><p> 1）表示能力，与<span word="be">be</span> <span word="able">able</span> <span word="to">to</span>同义，但<span word="can">can</span>只用于现在时和过去时，<span word="be">be</span> <span word="able">able</span> <span word="to">to</span>可用于各种时态。</p><p> <span word="Two">Two</span> <span word="eyes">eyes</span> <span word="can">can</span> <span word="see">see</span> <span word="more">more</span> <span word="than">than</span> <span word="one">one</span>.</p><p> 注：<span word="Can">Can</span> <span word="you">you</span> …</p><p> ?</p><p> <span word="Yes">Yes</span>, <span word="I">I</span> <span word="can">can</span> / <span word="No">No</span>, <span word="I">I</span> <span word="can">can</span>’<span word="t">t</span>.</p><p> 2). 表示允许、请求</p><p> 用<span word="could">could</span>比<span word="can">can</span> 语气更加委婉客气，常用于<span word="could">could</span> <span word="I">I</span> /<span word="you">you</span> …..? 句型中，若表示同意时，用<span word="can">can</span>回答而不用<span word="could">could</span>.</p><p> <span word="Could">Could</span> <span word="I">I</span> <span word="borrow">borrow</span> <span word="the">the</span> <span word="book">book</span> ?</p><p> <span word="No">No</span>, <span word="you">you</span> <span word="can">can</span>’<span word="t">t</span>.</p><p> 3). 表示推测 “可能”常用于否定句或疑问句中。（<span word="can">can</span>’<span word="t">t</span>表示一定不是）</p><p> <span word="It">It</span> <span word="can">can</span>’<span word="t">t</span> <span word="be">be</span> <span word="true">true</span>.</p><p> <span word="Can">Can</span> <span word="it">it</span> <span word="be">be</span> <span word="true">true</span>?</p><p> 2. <span word="may">may</span> 用法</p><p> 1）表允许，请求= <span word="can">can</span></p><p> 表示许可或征求对方的许可，常于第一人称连用。</p><p> 注：<span word="May">May</span> <span word="I">I</span> ….? <span word="Yes">Yes</span>, <span word="you">you</span> <span word="may">may</span>.</p><p> <span word="No">No</span>, <span word="you">you</span> <span word="can">can</span>’<span word="t">t</span> / <span word="mustn">mustn</span>’<span word="t">t</span>.</p><p> 在回答以<span word="may">may</span>引起的问句时，多避免用这个词，而用其它方式，如<span word="Yes">Yes</span>,</p><p> <span word="please">please</span>. / <span word="Certainly">Certainly</span>.</p><p> 2）表推测，可能、也许。常用于肯定句中。</p><p> <span word="Maybe">Maybe</span> <span word="he">he</span> <span word="knows">knows</span> <span word="the">the</span> <span word="news">news</span>. =</p><p> <span word="He">He</span> _____ _____ <span word="the">the</span> <span word="news">news</span>.</p><p> 3. <span word="must">must</span></p>
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