2017届高考英语一轮复习语法专题讲练：第9讲 情态动词和虚拟语气（新人教版含答案）
<p> 第九讲 情态动词和虚拟语气一、情态动词考点透析 (<span word="could">could</span>)，<span word="be">be</span> <span word="able">able</span> <span word="to">to</span>。 只有现在式<span word="can">can</span>和过去式<span word="could">could</span>两种形式可用于现在式、过去式、将来时、完成时。要表示“能够做某事”可用<span word="can">can</span>或<span word="be">be</span> <span word="able">able</span> <span word="to">to</span>但若要说过去的确运用了某种能力做成了某件事情就只能用<span word="was">was</span>/<span word="were">were</span> <span word="able">able</span> <span word="to">to</span>表将来具备的能力只能用<span word="will">will</span>/<span word="shall">shall</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span>。(1)<span word="If">If</span> <span word="you">you</span> <span word="study">study</span> <span word="hard">hard</span>，<span word="you">you</span> <span word="will">will</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="express">express</span> <span word="freely">freely</span> <span word="in">in</span> <span word="English">English</span> <span word="in">in</span> <span word="three">three</span> <span word="months">months</span>.</p><p> 如果你努力学习三个月后你就能自由地用英语表达了。(2)<span word="The">The</span> <span word="fire">fire</span> <span word="spread">spread</span> <span word="through">through</span> <span word="the">the</span> <span word="hotel">hotel</span> <span word="very">very</span> <span word="quickly">quickly</span> <span word="but">but</span> <span word="everyone">everyone</span> <span word="was">was</span> <span word="able">able</span> <span word="to">to</span> <span word="get">get</span> <span word="out">out</span>.</p><p> 大火迅速在酒店蔓延但每个人最终还是逃出去了。是<span word="can">can</span>的过去式但是在很多情况下特别是在口语中它表示语气的委<span word="could">could</span>提问时不能用<span word="could">could</span>回答而要用<span word="can">can</span>或<span word="may">may</span>。<span word="would">would</span>用于疑问句时也表委婉语气回答时应该用<span word="will">will</span>。(1)－<span word="Could">Could</span> <span word="I">I</span> <span word="borrow">borrow</span> <span word="your">your</span> <span word="dictionary">dictionary</span>?能借用一下你的词典吗？－<span word="Yesurse">Yesurse</span> <span word="you">you</span> <span word="can">can</span>.</p><p> ——可以当然可以。(2)－<span word="Could">Could</span> <span word="I">I</span> <span word="call">call</span> <span word="you">you</span> <span word="by">by</span> <span word="the">the</span> <span word="first">first</span> <span word="name">name</span>?我可以直呼你的名字吗？－<span word="Yes">Yes</span>行可以的。(3)－<span word="Would">Would</span> <span word="you">you</span> <span word="be">be</span> <span word="so">so</span> <span word="kind">kind</span> <span word="as">as</span> <span word="to">to</span> <span word="explain">explain</span> <span word="the">the</span> <span word="word">word</span>?请你好心地解释一下这个字好吗？－<span word="Yes">Yes</span>好的哪个字？都可表示可能但<span word="may">may</span>/<span word="might">might</span> 不能用于问句用于否定句、疑问句、感叹句表示惊异、怀疑一般不用于肯定句。如果用于肯定句则表示偶尔发生某事的可能或某人某物一时的特点。(1)－<span word="Are">Are</span> <span word="you">you</span> <span word="coming">coming</span> <span word="to">to</span> <span word="Jeff">Jeff</span>'<span word="s">s</span> <span word="party">party</span>?<span word="I">I</span>'<span word="m">m</span> <span word="not">not</span> <span word="sure">sure</span>.<span word="I">I</span> <span word="might">might</span> <span word="go">go</span> <span word="to">to</span> <span word="the">the</span> <span word="concert">concert</span> <span word="instead">instead</span>.</p>
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