河南省新密一高高三英语《语法专题指导-情态动词》课件
<p> 情态动词的用法 情态动词的基本用法特点 1） 情态动词 除 <span word="ought">ought</span> 和 <span word="have">have</span> 外，后面只能接动词</p><p> 原型。 2） 情态动词没有人称，数的变化，即情态动词第</p><p> 三人称单数不加-<span word="s">s</span>。 3） 情态动词没有非谓语形式，即没有不定式，分</p><p> 词，等形式。</p><p> 高中阶段都学过哪些情态动词呢 1 <span word="can">can</span> / <span word="could">could</span> / <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 2 <span word="may">may</span>/<span word="might">might</span> 3 <span word="must">must</span> / <span word="have">have</span> <span word="to">to</span> 4 <span word="shall">shall</span> / <span word="should">should</span> 5 <span word="will">will</span> / <span word="would">would</span> 6</p><p> <span word="need">need</span> / <span word="dare">dare</span> 7 <span word="ought">ought</span> <span word="to">to</span> 1 <span word="can">can</span> / <span word="could">could</span> / <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 1 <span word="Some">Some</span> <span word="of">of</span> <span word="us">us</span> <span word="can">can</span> <span word="use">use</span> <span word="computers">computers</span> <span word="now">now</span>, <span word="but">but</span> <span word="we">we</span></p><p> <span word="couldn">couldn</span>'<span word="t">t</span> <span word="last">last</span> <span word="year">year</span>.（能力） 2 <span word="It">It</span> <span word="will">will</span> <span word="be">be</span> <span word="sunny">sunny</span> <span word="in">in</span> <span word="the">the</span> <span word="day">day</span> <span word="time">time</span> ,<span word="but">but</span> <span word="it">it</span> <span word="can">can</span></p><p> <span word="rain">rain</span> <span word="later">later</span> <span word="on">on</span> <span word="this">this</span> <span word="evening">evening</span>（客观可能性） 3 ---<span word="Can">Can</span> <span word="I">I</span> <span word="go">go</span> <span word="now">now</span> ? <span word="yes">yes</span> ,<span word="you">you</span> <span word="can">can</span> （请求和允许） 4 <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="memory">memory</span>? （请求） 5 1 <span word="Can">Can</span> <span word="this">this</span> <span word="news">news</span> <span word="be">be</span> <span word="true">true</span>?</p><p> 2 <span word="It">It</span> <span word="can">can</span>'<span word="t">t</span> <span word="be">be</span> <span word="our">our</span> <span word="headmaster">headmaster</span>.<span word="he">he</span> <span word="has">has</span> <span word="gone">gone</span> <span word="to">to</span></p><p> <span word="Beijing">Beijing</span>.（表推测，主要用于否定和疑问）</p><p> *<span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 能用于各种时态。</p><p> <span word="can">can</span> / <span word="could">could</span> 只能表示现在或过去的能力。</p><p> *<span word="was">was</span> / <span word="were">were</span> <span word="able">able</span> <span word="to">to</span> : “设法做成某事”</p><p> 相当于</p><p> <span word="managed">managed</span> <span word="to">to</span> <span word="do">do</span> <span word="sth">sth</span>.</p><p> <span word="succeeded">succeeded</span> <span word="in">in</span> <span word="doing">doing</span> <span word="sth">sth</span>.。 1. <span word="can">can</span> 与<span word="be">be</span> <span word="able">able</span> <span word="to">to</span> 有何区别？ 1. <span word="A">A</span> <span word="computer">computer</span> ______ <span word="think">think</span> <span word="for">for</span> <span word="itself">itself</span>;</p><p> <span word="it">it</span> <span word="must">must</span> <span word="be">be</span> <span word="told">told</span> <span word="what">what</span> <span word="to">to</span> <span word="do">do</span>.</p>
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