2017届高考英语一轮语法复习课件：5 情态动词（牛津译林版）
<p> 五、情态动词</p><p> 【答案与解析】<span word="shouldn">shouldn</span>'<span word="t">t</span>。考查情态动词。<span word="That">That</span> <span word="is">is</span>后的内容是解释前面的内容，再联系上一句中的<span word="should">should</span>可知此处表示“不应该……”，故用<span word="shouldn">shouldn</span>'<span word="t">t</span>。 (一)情态动词复习要点 要点 基本用法 例句 基本语法特点 情态动词就是表示说话的语气或情态的动词。常见的情态动词有 <span word="can">can</span>，<span word="may">may</span>，<span word="must">must</span>，<span word="need">need</span>，<span word="dare">dare</span>，<span word="shall">shall</span>，<span word="will">will</span>，<span word="should">should</span>，<span word="ought">ought</span> <span word="to">to</span>，<span word="have">have</span> <span word="to">to</span>，<span word="used">used</span> <span word="to">to</span>，<span word="had">had</span> <span word="better">better</span>，<span word="would">would</span> <span word="rather">rather</span> 等。情态动词具有以下三个特点：</p><p> (1) 后面接动词原形并与动词原形一起构成谓语。</p><p> (2) 虽有时态的变化，但却没有人称和数的变化。</p><p> (3) 将情态动词移至主语前变为疑问句，直接在情态动词后加 <span word="not">not</span>，构成否定句。 <span word="He">He</span> <span word="will">will</span> <span word="be">be</span> <span word="free">free</span> <span word="in">in</span> <span word="a">a</span> <span word="month">month</span>. <span word="We">We</span> <span word="can">can</span> <span word="beat">beat</span> <span word="their">their</span> <span word="team">team</span> <span word="with">with</span> <span word="his">his</span> <span word="help">help</span>. <span word="You">You</span> <span word="must">must</span> <span word="go">go</span> <span word="home">home</span> <span word="right">right</span> <span word="away">away</span>. <span word="Tom">Tom</span> <span word="is">is</span> <span word="not">not</span> <span word="able">able</span> <span word="to">to</span> <span word="swim">swim</span> <span word="that">that</span> <span word="far">far</span>. 要点 基本用法 例句 表示能力的 <span word="can">can</span>/ <span word="could">could</span> 和 <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> (1) <span word="can">can</span> 表示具有某种能力或技能，意为“能，会”。如：</p><p> <span word="Who">Who</span> <span word="can">can</span> <span word="answer">answer</span> <span word="this">this</span> <span word="question">question</span>? 谁能回答这个问题？</p><p> (2) <span word="can">can</span> 的过去式为 <span word="could">could</span>，但它通常只表示过去一般性能力，不表示过去特定场合下实现了的能力，遇此情况要用 <span word="was">was</span> / <span word="were">were</span> <span word="able">able</span> <span word="to">to</span>。 <span word="I">I</span> <span word="could">could</span> <span word="run">run</span> <span word="faster">faster</span> <span word="then">then</span>. 我那时能跑得更快一些。</p><p> <span word="They">They</span> <span word="were">were</span> <span word="able">able</span> <span word="to">to</span> <span word="jump">jump</span> <span word="into">into</span> <span word="the">the</span> <span word="sea">sea</span> <span word="before">before</span> <span word="the">the</span> <span word="boat">boat</span> <span word="was">was</span> <span word="blown">blown</span> <span word="up">up</span>. 他们在船爆炸之前跳入了海里。 要点 基本用法 例句 表示许可的<span word="can">can</span>/ <span word="could">could</span>/</p>
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