高中状语从句讲解ppt课件.ppt

状语从句英语句子状语时用来修饰词,词,词或
的一种句子成分.它可以表示时间、地点、原因、目的、结果、条件、让步、比较、方式等。其中,副词,介词,介词短语,分词(短语),名词,不定式,句子都可充当状语。

当充当状语的部分是一个句子时，也就是状语从句。分类如下：状语从句一状语从句高考的考查特点二能力要求：常见考点：考点一、主句与从句的时态呼应问题；考点二、连接词的选择（注意区别几组连接词：while/as/when引导时间状语从句；because/since/as/for引导原因状语从句；if/unless引导条件状语从句；so…that/such…that引导结果状语从句等）；考点三、状语从句与非谓语动词之间的替换；考点四、状语从句的倒装结构（hardly/scarcely…when；nosooner…than等）Ⅰ时间状语从句3.副词类（由副词充当引导词）：immediately,directly,instantly,etc.(一...就...)as引导的时间状语从句,可以表达“正当……”，“一边……一边……”，“随着……”等意思。while:持续性动词／进行时WhileIwaswalkingdownthestreet,Icameacrossanoldfriend.(while=_______)
WhileIreallydon’tlikeart,Ifindhisworkimpressive.(while=_________)
Whilethereislifethereishope.
(while=__________)
Helikespopmusic,whileIamfondoffolkmusic.（while=_________）while用法的归纳when:持续性／非持续性动词都可＊尽管／虽然／鉴于／如果／届时／Hefellasleep_____________hewasreading.
Ikeptsilent______hewaswriting.
Shesang____shewentalong.
Itwasraininghard________wearrived.
Ithoughtofitjust__________youopenedyourmouth.
Thingsaregettingbetterandbetter_____timegoeson.
It’scold_____itsnows.
Iwillgohome_____hecomesback.
Wewereabouttostart______itbegantorain.
Helikescoffee,_____shelikestea.
__________aboy,helivedinJapan.
__________reading,hefellasleep.
____________introuble,askherforhelp.before引导的时间状语从句连接词before的小结：
1.Wehadsailedfourdaysandfournightsbefore
wesawland.
2．Wehadn’trunamilebeforehefelttired.
3．Pleasewriteitdownbeforeyouforgetit.
4．BeforeIcouldgetinaword,hewalkedaway.since引导的时间状语从句★since句型中如果从句谓语是延续性的动作或状态，则它所表示的时间从该动作或状态结束时算起！（否定含义）如：

Itis3yearssince

Itis5yearssince

Ihaveneverseenhim
sinceuntil/till引导的时间状语从句not….until…的倒装句和强调句。
Hedidn’tstopuntilhehadfinishedallhiswork.
倒装句:Notuntilhehadfinishedallhisworkdidhestop.
强调句:Itwasnotuntilhehadfinishedallhisworkthathestopped.
强调句句式为：Itwas/isnotuntil…that…assoonas引导的时间状语从句名词短语引导的时间状语从句Bythetime的用法1.WheneverytimeIwasintrouble,hewouldcometohelpme.
2.Atnexttimeyoucome,dorememberbringyoursonhere.
3.ForthefirsttimeImetthegirl.Ifeltinlovewithher.
4.Youarewelcometocomebackatanytimeyouwantto.
5.Atthelasttime