人教版2017高考英语全套解析一轮复习课件：语法精要9 情态动词和虚拟语气
<p> (5)在“<span word="as">as</span> <span word="if">if</span>/<span word="as">as</span> <span word="though">though</span>”引导的状语从句中，谓语动词与<span word="wish">wish</span>的宾语从句的虚拟形式相同。如： <span word="He">He</span> <span word="works">works</span> <span word="with">with</span> <span word="such">such</span> <span word="enthusiasm">enthusiasm</span> <span word="as">as</span> <span word="if">if</span> <span word="he">he</span> <span word="never">never</span> <span word="knew">knew</span> <span word="fatigue">fatigue</span>. 他这样地热情工作，好像从来不知道疲倦似的。 <span word="He">He</span> <span word="speaks">speaks</span> <span word="English">English</span> <span word="as">as</span> <span word="though">though</span> <span word="he">he</span> <span word="were">were</span> <span word="an">an</span> <span word="American">American</span>. 他说英语好像他是美国人一样。 3．含蓄条件句</p><p> 有时假设的情况并不以条件从句表示，而是暗含在上下文中，比如通过介词短语来表示。 <span word="But">But</span> <span word="for">for</span> <span word="your">your</span> <span word="advice">advice</span>，<span word="I">I</span> <span word="could">could</span> <span word="not">not</span> <span word="have">have</span> <span word="done">done</span> <span word="it">it</span> <span word="so">so</span> <span word="successfully">successfully</span>. 要是没有你的建议，我就不会那么成功。</p><p> <span word="The">The</span> <span word="change">change</span> <span word="could">could</span> <span word="not">not</span> <span word="have">have</span> <span word="taken">taken</span> <span word="place">place</span> <span word="without">without</span> <span word="the">the</span> <span word="open">open</span><span word="door">door</span> <span word="policy">policy</span>. 要是没有开放政策，就没有这些变化。 <span word="I">I</span> <span word="was">was</span> <span word="so">so</span> <span word="busy">busy</span> <span word="then">then</span>，<span word="otherwise">otherwise</span>，<span word="I">I</span> <span word="would">would</span> <span word="have">have</span> <span word="gone">gone</span> <span word="to">to</span> <span word="help">help</span> <span word="him">him</span>. 那时我太忙了，否则我就去帮他了。 4．虚拟语气在某些从句中的应用 (1)在<span word="wish">wish</span>，<span word="suggest">suggest</span>，<span word="order">order</span>，<span word="demand">demand</span>，<span word="propose">propose</span>，<span word="command">command</span>，<span word="request">request</span>，<span word="require">require</span>，<span word="insist">insist</span>，<span word="desire">desire</span>，<span word="urge">urge</span>等动词的宾语从句以及<span word="would">would</span> <span word="rather">rather</span>后，要用“(<span word="should">should</span>＋)动词原形”来表示愿望、建议、命令、要求等；由上述动词派生或转化的名词的同位语从句或表语从句中也要用相应的虚拟形式。像<span word="suggestion">suggestion</span>，<span word="proposal">proposal</span>，<span word="plan">plan</span>，<span word="recommendation">recommendation</span>，<span word="demand">demand</span>，<span word="order">order</span>，<span word="desire">desire</span>，<span word="request">request</span>，<span word="requirement">requirement</span>，<span word="insistence">insistence</span>，<span word="advice">advice</span>，<span word="decision">decision</span>等词。 (2)在“<span word="It">It</span> <span word="is">is</span>/<span word="was">was</span>＋某些形容词/过去分词＋<span word="that">that</span>从句”句型中，<span word="that">that</span>从句中的谓语动词常用虚拟语气，即“<span word="should">should</span>＋动词原形”，表示“惊奇、遗憾、怀疑、不满”等。这些形容词有<span word="important">important</span>，<span word="necessary">necessary</span>，<span word="essential">essential</span>，<span word="natural">natural</span>，<span word="strange">strange</span>，<span word="advisable">advisable</span>，<span word="desirable">desirable</span>，<span word="possible">possible</span>，<span word="probable">probable</span>，<span word="astonishing">astonishing</span>，<span word="surprising">surprising</span>，<span word="desired">desired</span>，<span word="suggested">suggested</span>，<span word="requested">requested</span>，<span word="recommended">recommended</span>，<span word="ordered">ordered</span>，<span word="proposed">proposed</span>，<span word="decided">decided</span>，<span word="moved">moved</span>等。 (3)在由<span word="for">for</span> <span word="fear">fear</span> <span word="that">that</span>，<span word="in">in</span> <span word="case">case</span>，<span word="lest">lest</span>等引导的状语从句中，用“<span word="should">should</span>＋动词原形”表示“唯恐”。如： <span word="He">He</span> <span word="handled">handled</span> <span word="the">the</span> <span word="instrument">instrument</span> <span word="with">with</span> <span word="care">care</span> <span word="for">for</span> <span word="fear">fear</span> <span word="that">that</span> <span word="it">it</span> <span word="should">should</span> <span word="be">be</span> <span word="damaged">damaged</span>. 他小心地拿着仪器，唯恐把它摔碎了。 (4)在“<span word="It">It</span> <span word="is">is</span>(<span word="about">about</span>/<span word="high">high</span>)<span word="time">time</span>＋<span word="that">that</span>(从句)”中，谓语动词常用过去式表示虚拟语气。如： <span word="It">It</span> <span word="is">is</span> <span word="high">high</span> <span word="time">time</span> <span word="that">that</span> <span word="people">people</span> <span word="learnt">learnt</span> <span word="English">English</span>. 正是人们学英语的时候。</p>
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