虚拟语气详解
<p> 导语：高中英语语法中的虚拟语气包括了在条件句、名词性从句等中的应用，是英语学习中的一个难点语法，一下是具体内容：</p><p>1、虚拟语气用于条件状语从句中</p><p>（1）表示与现在事实相反的假设，条件状语从句中的谓语动词用过去式（<span word="be">be</span>动词的过去式用<span word="were">were</span>），而主句中的谓语动词用<span word="would">would</span> / <span word="should">should</span>/ <span word="could">could</span> / <span word="might">might</span> + 动词原形。如：</p><p><span word="If">If</span> <span word="I">I</span> <span word="were">were</span> <span word="a">a</span> <span word="boy">boy</span>, <span word="I">I</span> <span word="would">would</span> <span word="join">join</span> <span word="the">the</span> <span word="army">army</span>.</p><p><span word="If">If</span> <span word="the">the</span> <span word="had">had</span> <span word="time">time</span>, <span word="she">she</span> <span word="should">should</span> <span word="go">go</span> <span word="with">with</span> <span word="you">you</span>.</p><p>（2）表示与过去的事实相反，条件状语从句中的谓语动词用过去完成时，主句中的谓语动词则用<span word="would">would</span> / <span word="should">should</span> / <span word="might">might</span> / <span word="could">could</span> + <span word="have">have</span> +过去分词。如：</p><p><span word="If">If</span> <span word="he">he</span> <span word="had">had</span> <span word="taken">taken</span> <span word="my">my</span> <span word="advice">advice</span>, <span word="he">he</span> <span word="would">would</span> <span word="have">have</span> <span word="succeeded">succeeded</span> <span word="in">in</span> <span word="the">the</span> <span word="competition">competition</span>.</p><p>（3）表示与将来事实相反，条件状语从句中的谓语动词一般过去时或<span word="should">should</span>(<span word="were">were</span> <span word="to">to</span>) + 动词原形，而主句中的谓语动词则用<span word="would">would</span> / <span word="should">should</span>/</p><p><span word="could">could</span> <span word="might">might</span> + 动词原形。如；</p><p><span word="If">If</span> <span word="it">it</span> <span word="were">were</span> <span word="to">to</span> <span word="rain">rain</span> <span word="tomorrow">tomorrow</span>, <span word="the">the</span> <span word="football">football</span> <span word="match">match</span> <span word="would">would</span> <span word="be">be</span> <span word="put">put</span> <span word="off">off</span>.</p><p>（4）当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间作相应调整。如：</p><p><span word="If">If</span> <span word="they">they</span> <span word="had">had</span> <span word="worked">worked</span> <span word="hard">hard</span>, <span word="they">they</span> <span word="would">would</span> <span word="be">be</span> <span word="very">very</span> <span word="tired">tired</span>.(从句说的是过去，主句指的是现在）</p>
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