《语法状语从句》PPT课件

《《语法状语从句》PPT课件》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、状语从句（一）pre-classquiz：Theoldmanwasnearlyknockedoverbyacar_____hewascrossingthestreet.Ihadnosoonergonetobed_____someoneknockedonthedoor.______thereisaoppression,thereisresistance.Youmayborrowmydictionary_____youreturnittomeontime.Keepthewindowsclosed______itshouldrain.Youshouldstud

2、y_____Marydoes.Theblindmanaskedthedrivertostoptheelephant_____hecouldhavea“look”AneoconservativeoncesaidthatAmericawouldnotbeafraid____alltheothercountriesthroughouttheworldunitedtoopposeit._______youworkhard,youwillsurelypassthefinalexamination._______hardhestudies,heoftenfailsi

3、nhisexaminations.keys：while/than/where/if(providedthat)/incase/as/sothat(inorderthat)/evenif(eventhough)/aslongas/nomatterhow(however)第一节时间状语从句一．When,while和as引导的状语从句1.当while的意思是“在……期间”时，所引导的从句谓动词要用延续性的动态动词或表示状态的静态动词；2.When的意思是“当…..的时候，在…..期间”，它引导的从句有时可以代替while或as引导的从句。3.As可用when或

4、while代替，区别在于as更强调主句动作和从句动作的同时性。Ｉsawhimashewasgettingoffthebus.(whenhegotoffthebus)思考：canweusewhilehere?Wetalkedasweate.我们边吃边谈。（canweusewhenorwhilehere?）注：when和while有时可起并列连词的作用1）when作并列连词用时意为“突然”，“正在这时”，通常用于句末，不能用于句首。从句的谓语动词常用一般过去时，主句通常用过去进行时，过去完成时或beaboutto结构等。Shewasabouttoleave

5、whenMarkarrivedsoshestayedalittlelonger.Hehadbeenwalkingunderthetreeswhenanapplefelldown.2)while意为“…..而…..”,……..但是……..，连接两个意义上相互对比的成分。Heknewhowtoanswerthequestion,whileIcouldn’tanswerit.JanewasdressedinbrownwhileMarywasdressedinblue.二．一些形式上为副词的连接词引导的时间状语从句有些表示时间的副词如once,directly,

6、immediately等也可作连接词用来引导时间状语从句，意为“一…..就…..”DirectlyIreceivedyourletter,Icamebackatonce.Immediatelyhecamehome,Itoldhimaboutit.Instantlythebuttonispressed,themineexplodes.地雷爆炸三．某些表示时间的名词短语引导的时间状语从句某些表示时间的名词词组如：themoment,theminute,theinstant,theday,theyear,anytime,last(first)time,next

7、time,eachtime,everytime等也可用来引导时间状语从句。EverytimeImethim,Ifoundhimtobetaller.Youcancallmeanytimeyouwantto.ThelasttimeIwenttotheUnitedStates,Ivisitedmanycities.Theinstanttheresultcameout,shetoldus.Themomenthesawme,heturnedpale.四．连接词assoonas,since,nosoonerthan……等引导的时间状语从句1）连接词assoonas

8、,hardly/scarcely/barely…..when/before….，