2015考研英语阅读虚拟语气的用法
<p> 虚拟语气是阅读理解、完形填空和翻译中一个很常见的语法现象。尤其是在阅读理解中，推理题，这个决定学生能不能从40分的阅读中夺得30分以上的一个题型。而我们此处的虚拟语气是推理题经常出选项的地方。同时，英语二中虚拟语气也是个考点。但是其形式多，很多考生在判断辨识和使用上有一定难度。虚拟语气的考点一般在考研中有四大类：<span word="if">if</span> 引导的从句类;从句中<span word="do">do</span> 句型;特殊句型类以及单用句型类。之前我们学习了<span word="if">if</span> 引导的从句这个第一类别。那下面就其他三个考点带领大家一起继续学习虚拟语气。</p><p> 从句中的<span word="do">do</span> 句型</p><p> 英语中有些表示要求，建议、提议、命令、意愿等的形容词、动词和名词，其后若跟随有主语从句、宾语从句、表语从句或同位语从句，从句中的动词要求要用虚拟语气形式，即动词原形或<span word="should">should</span>+动词原形。</p><p> 属于该类的常见形容词有：<span word="advisable">advisable</span>， <span word="desirable">desirable</span>, <span word="essential">essential</span>, <span word="imperative">imperative</span>, <span word="insistent">insistent</span>, <span word="keen">keen</span> , <span word="necessary">necessary</span>, <span word="preferable">preferable</span>, <span word="urgent">urgent</span>, <span word="vital">vital</span>等。</p><p> 例1 .<span word="If">If</span> <span word="cities">cities</span> <span word="are">are</span> <span word="to">to</span> <span word="remain">remain</span> <span word="pleasant">pleasant</span> <span word="places">places</span> <span word="to">to</span> <span word="live">live</span> <span word="in">in</span> <span word="at">at</span> <span word="all">all</span>, <span word="however">however</span>, <span word="it">it</span> <span word="seems">seems</span> <span word="imperative">imperative</span>, <span word="not">not</span> <span word="only">only</span> <span word="that">that</span> <span word="communications">communications</span> <span word="in">in</span> <span word="transport">transport</span> <span word="should">should</span> <span word="beimproved">beimproved</span>, <span word="but">but</span> <span word="also">also</span> <span word="that">that</span> <span word="communication">communication</span> <span word="between">between</span> <span word="human">human</span> <span word="beings">beings</span> <span word="should">should</span> <span word="be">be</span> <span word="kept">kept</span> <span word="smooth">smooth</span> <span word="and">and</span> <span word="polite">polite</span>。</p><p> 例2. <span word="The">The</span> <span word="board">board</span> <span word="deemed">deemed</span> <span word="it">it</span> <span word="urgent">urgent</span> <span word="that">that</span> <span word="these">these</span> <span word="files">files</span> <span word="should">should</span> <span word="be">be</span> <span word="printed">printed</span> <span word="right">right</span> <span word="away">away</span>.</p>
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