高考英语一轮复习精品课件《Module 4 Sandstorms in Asia》（外研版必修3）
<p> <span word="Thank">Thank</span> <span word="you">you</span> ! 知识要点 要点三</p><p> 句型 1. <span word="The">The</span> <span word="garbage">garbage</span> <span word="is">is</span> <span word="then">then</span> <span word="taken">taken</span> <span word="away">away</span> <span word="and">and</span>，<span word="if">if</span> <span word="possible">possible</span> <span word="recycled">recycled</span>. 然后垃圾被带走，如果可能的话会进行回收利用。 归纳拓展 （1）<span word="if">if</span> <span word="possible">possible</span>是固定短语，意为“如果可能的话”，常在句中作插入语，起补充说明的作用。 （2）<span word="if">if</span> <span word="possible">possible</span>用了省略形式，相当于<span word="if">if</span> <span word="it">it</span> <span word="is">is</span> <span word="possible">possible</span>。 当<span word="when">when</span>，<span word="while">while</span>，<span word="until">until</span>，<span word="if">if</span>，<span word="unless">unless</span>,<span word="once">once</span>等引导的状语从句的主语与主句的主语一致并且从句中含有<span word="be">be</span>动词时，或从句的主谓语分别为<span word="it">it</span>和<span word="be">be</span>动词时，从句中的主语及部分谓语（<span word="be">be</span>动词）可省略。 知识要点 （3）<span word="if">if</span>引导省略的情况有下列几种： <span word="if">if</span> <span word="any">any</span>如果有的话<span word="if">if</span> <span word="necessary">necessary</span>必要的话 <span word="if">if</span> <span word="so">so</span>如果是这样的话<span word="if">if</span> <span word="ever">ever</span>如果曾经有的话 <span word="if">if</span> <span word="not">not</span>不这样的话 例句：<span word="It">It</span> <span word="shames">shames</span> <span word="me">me</span> <span word="to">to</span> <span word="say">say</span> <span word="it">it</span>,<span word="but">but</span> <span word="I">I</span> <span word="told">told</span> <span word="a">a</span> <span word="lie">lie</span> <span word="when">when</span> <span word="questioned">questioned</span> <span word="at">at</span> <span word="the">the</span> <span word="meeting">meeting</span> <span word="by">by</span> <span word="my">my</span> <span word="boss">boss</span>. 说出这些话令我羞愧，当老板在会议上问我时我撒了谎。(<span word="when">when</span> <span word="questioned">questioned</span> <span word="at">at</span> <span word="the">the</span> <span word="meeting">meeting</span>是<span word="when">when</span> <span word="I">I</span> <span word="was">was</span> <span word="questioned">questioned</span> <span word="at">at</span> <span word="the">the</span> <span word="meeting">meeting</span>的省略形式) <span word="Ask">Ask</span> <span word="Tom">Tom</span> <span word="to">to</span> <span word="give">give</span> <span word="you">you</span> <span word="a">a</span> <span word="hand">hand</span> <span word="if">if</span> <span word="necessary">necessary</span>. 如果有必要让汤姆帮你一把。 <span word="Are">Are</span> <span word="you">you</span> <span word="ready">ready</span>?<span word="If">If</span> <span word="not">not</span>,<span word="I">I</span>’<span word="m">m</span> <span word="going">going</span> <span word="without">without</span> <span word="you">you</span>. 准备好了吗？要不我就自己去了。 <span word="He">He</span> <span word="didn">didn</span>’<span word="t">t</span> <span word="say">say</span> <span word="a">a</span> <span word="word">word</span> <span word="until">until</span> <span word="asked">asked</span>. 直到被问他才说话。 知识要点 【链接训练】 ①<span word="Some">Some</span> <span word="of">of</span> <span word="you">you</span> <span word="may">may</span> <span word="have">have</span> <span word="finished">finished</span> <span word="unit">unit</span> <span word="one">one</span>.________, <span word="you">you</span> <span word="can">can</span> <span word="go">go</span> <span word="on">on</span> <span word="to">to</span> <span word="unit">unit</span> <span word="two">two</span>.</p><p> <span word="A">A</span>.<span word="If">If</span> <span word="you">you</span> <span word="may">may</span> <span word="B">B</span>.<span word="If">If</span> <span word="you">you</span> <span word="do">do</span> <span word="C">C</span>.<span word="If">If</span> <span word="not">not</span> <span word="D">D</span>.<span word="If">If</span> <span word="so">so</span></p>
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