2014高考英语二轮语法篇专题：专题12状语从句课件.ppt

《2014高考英语二轮语法篇专题：专题12状语从句课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、专题十二状语从句状语从句在句中相当于副词作状语,又叫副词性从句。在句子中可修饰谓语（或其他动词）、形容词、副词或是整个句子，它可以用来表示时间、地点、原因、目的、结果、条件、方式、比较、让步等。状语从句通常由一个连词引导，也可以由一个起连词作用的词组引导。状语从句是近几年高考试题中常见的一个重要考点。状语从句的分类及常用连接词种类从属连词例句说明时间状语从句whenWhen-everWhenIcameintotheroom,hewaswritingaletter.Youcaneatfoodfreeinmyrestaurantwheneveryoulike.whe

2、n指“某一具体的时间”；whenever指“在任何一个不具体的时间”。whileWhileJohnwasreading,IwaswatchingTV.Istayedwhilehewasaway.while指“在……期间”，引导的动作必须是持续性的。asTheytalkedastheywalkedalongtheriver.Astimegoesby,IlikeChinabetter.as（一边……一边）表示持续性动作，强调主句和从句动作同时发生；随着。beforeBeforeIcouldgetinaword,thetailorhadmeasuredme.(还没来得

3、及就……)Wehadn’trunamilebeforehefelttired.(还没……就……)Wehadsailed4daysbeforewesawland.(……才……)Pleasewriteitdownbeforeyouforgetit.(趁还没……就……)Itwillbefiveyearsbeforeheleavesthere.Hisgrandpadiedin1999.ItwastwoyearsbeforehecamebackfromAmerica.before引导从句时，词义非常灵活。AfterHearrivedafterthegamestarted.

4、tilluntilHeremainedtheretill/untilshearrived.Shewon’tgotobedtill/untilhereturnshome.Itisnotuntilhereturnshomethatshewillgotobed.Notuntilhereturnshomewillshegotobed.若主句动作是持续性动作，常用肯定式，表示“直到……为止”；若主句动作是瞬间动词，要用否定式，表“直……才”，“在……以前不”；从句放在句首时表示强调，一般用until并引起部分倒装。时间状语从句sinceGreatchangeshaveta

5、kenplaceinChinasince1978.since在时间状语从句中，不论用短暂动词、延续动词还是状态动词的一般过去时，通常都表示从动作或状态的完成或结束时算起，主句时态多用现在完成时。assoonashardly...whennosooner...thanthemomenttheinstantthesecondimmediatelydirectlyinstantlyAssoonasIarriveinShanghai,I’llwritetoyou.Ihadhardlygothomewhenitbegantorain.=HardlyhadIgothomew

6、henitbegantorain.ThemomentIsawhimIknewtherewasnohope.ImmediatelyhecameItoldhimthenews.Wehadnosoonerreachedtheairportthantheplanetookoff.=Nosoonerhadwereachedtheairportthantheplanetookoff.这些结构都表示“一……就……”。时间状语从句every/eachtimenext/lasttimebythetimethefirsttimeEvery/EachtimeIwasintrouble

7、,hewouldcometomyhelp.IfellinlovewithherthefirsttimeIsawher.这类名词短语相当于连词，引导时间状语从句。地点状语从句wherewhereverWherethereisawill,thereisaway.Youcangowhereveryoulikethesedays.where与wherever意义基本相同，但后者语气较强，多用于书面语。原因状语从句becauseIcamebacklateyesterdaybecauseIwasonduty.because用来回答why的问题，语气最强，一般放在主句之后。s

8、inceSinceeve