should具体用法
<p> <span word="should">should</span> 用法讲与练 <span word="should">should</span> 一词在中学英语课本中出现频率很高。它的用法灵活、含义丰富,因而一直是历年高考关注的热点。现将其具体用法分述如下</p><p> 一、<span word="Should">Should</span> 表示义务、责任、常译为&<span word="ldquo">ldquo</span>;应当，&<span word="ldquo">ldquo</span>;应该，或表示一种估计的情况，译成&<span word="ldquo">ldquo</span>;按理应当，&<span word="ldquo">ldquo</span>;估计......。</p><p> <span word="Why">Why</span> <span word="should">should</span> <span word="I">I</span> <span word="pay">pay</span> <span word="him">him</span>? 为什么我该付给他钱?</p><p> <span word="They">They</span> <span word="should">should</span> <span word="be">be</span> <span word="there">there</span> <span word="by">by</span> <span word="now">now</span>， <span word="I">I</span> <span word="think">think</span>. 我估计，他们现在到那儿了。</p><p> <span word="Should">Should</span> 用于完成时态，表示对过去发生的动作的一种推测，译成&<span word="ldquo">ldquo</span>;应该已经......。</p><p> <span word="You">You</span> <span word="should">should</span> <span word="have">have</span> <span word="washed">washed</span> <span word="the">the</span> <span word="wood">wood</span>. (<span word="But">But</span> <span word="you">you</span> <span word="haven">haven</span>&<span word="lsquo">lsquo</span>;<span word="t">t</span>.) 你应该把伤口清洗了。(然而你没有)</p><p> 二、<span word="Should">Should</span> 表示过去将来时，即从过去观点看将来要发生的是，多用于间接引语中。</p><p> <span word="We">We</span> <span word="thought">thought</span> <span word="that">that</span> <span word="we">we</span> <span word="should">should</span> <span word="never">never</span> <span word="see">see</span> <span word="you">you</span> <span word="again">again</span>. 我们想我们再也看不到你了。</p><p> <span word="The">The</span> <span word="BBC">BBC</span> <span word="weather">weather</span> <span word="report">report</span> <span word="this">this</span> <span word="morning">morning</span> <span word="said">said</span> <span word="that">that</span> <span word="we">we</span> <span word="should">should</span> <span word="have">have</span> <span word="rain">rain</span>.今天早上，<span word="BBC">BBC</span>电台天气报告说，今天有雨。</p><p> 三、在条件状语从句中，<span word="should">should</span> 表示&<span word="ldquo">ldquo</span>;万一，即可表示不能实现的假设，又可表示可以实现的假设。</p><p> <span word="If">If</span> <span word="he">he</span> <span word="should">should</span> <span word="fail">fail</span> <span word="to">to</span> <span word="come">come</span>， <span word="ask">ask</span> <span word="Comrade">Comrade</span> <span word="Cheng">Cheng</span> <span word="to">to</span> <span word="work">work</span> <span word="in">in</span> <span word="his">his</span> <span word="place">place</span>.万一他不来，就叫陈同志代替他的工作。</p>
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