高考英語語法一輪復(fù)習(xí) 狀語從句課件2.ppt

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三、高考熱點問題：1．狀語從句的時態(tài)在時間、條件和讓步狀語從句中常常用一般現(xiàn)在時代替一般將來時，一般過去時代替過去將來時，現(xiàn)在完成時代替將來完成時。Youwontunderstandthestorycompletelyuntilyouhavefinishedreadingit.Hewillpayavisittoyouassoonashegetshere.HesaidwheneverIwasintroubleIcouldturntohim.,2．狀語從句的省略當狀語從句的主語和主句主語保持一致，且從句謂語動詞中含有be動詞，可以將狀語從句中的主語和be動詞一起省略。Whenintrouble，askthechairmanhimself.Althoughfrightened，hemanagedtorunaway.Whilecrossingtheroad，youshouldwatchout.另在ifitispossible，whenitisnecessary等類似結(jié)構(gòu)中，itis?？墒?。Holdyourheadhighifnecessary.,3．狀語從句與名詞性從句的區(qū)別wh－開頭的詞既可引導(dǎo)狀語從句，相當于nomatterwh－；也可引導(dǎo)名詞性從句，相當于anythingthat/anyonewho；分辨它們的竅門在于wh－引導(dǎo)名詞性從句時，去掉從句，主句成分意思不完整，而wh－引導(dǎo)狀語從句時，去掉從句，主句意思成分完整清晰。Whoeveryouare(＝Nomatterwhoyouare)，youmustobeytheregulations.(狀語從句)Whoeverarrivesfirst(＝Nomatterwhoarrivesfirst)willwinthegoldmedal.(主語從句),4．狀語從句與定語從句的區(qū)別(1)where與when引導(dǎo)的狀語從句容易與它們引導(dǎo)的定語從句相混淆。when與where引導(dǎo)定語從句時，有先行詞，可被介詞＋which替代；它們引導(dǎo)狀語從句時，主句中沒有相應(yīng)的先行詞，也不能被介詞＋which替代。Thegraduatesshouldgowheretheyareneededmost.(狀語從句)Thegraduatesshouldgototheplacewhere/inwhichtheyareneeded.(定語從句)Iwasthehappiestwhenmyparentsweretogetherwithme.(狀語從句),Iwasthehappiestduringthetimewhen/atwhichmyparentsweretogetherwithme.(定語從句)(2)so/such...that引導(dǎo)的結(jié)果狀語從句和so/such...as引導(dǎo)的定語從句so/such...that引導(dǎo)結(jié)果狀語從句時，that沒有任何意義，也不在從句中充當任何成分；而so/such...as引導(dǎo)定語從句時，as為關(guān)系代詞，在從句中必須充當句子成分，代替先行詞。Thequestionissodifficultthatnoonecananswerit.(狀語從句)Itissodifficultaquestionasnoonecananswer.(定語從句)Heissuchagoodspeakerthatweallbelievehim.(狀語從句)Heissuchagoodspeakerasweallbelieve.(定語從句),5．狀語從句與強調(diào)句型的區(qū)別Itwasthefactorywheretheaccidenthappened.(地點狀語從句，it指代那家工廠)Itwasinthefactorythattheaccidenthappened.(強調(diào)句型，it無具體意義，僅構(gòu)成強調(diào)句型)ItwasmidnightwhenhearrivedChangsha.(時間狀語從句，it指時間)ItwasatmidnightthathearrivedChangsha.(強調(diào)句型，it無具體意義，僅構(gòu)成強調(diào)句型),從A、B、C、D四個選項中，選出可以填入空白處的最佳選項。()1.Hemadeamistake，butthenhecorrectedthesituation________itgotworse.A．untilB．unlessC．beforeD．a(chǎn)s,1．C?？疾闋钫Z從句引導(dǎo)詞的選用。句意：他犯了錯，但及時采取了補救措施，沒讓事情變得更糟。,()2.Theconsequencesofouractionsareunbelievablycomplicatedanddiverse________predictingthefutureisaverydifficultbusinessindeed.A．becauseB．evenifC．inorderthatD．sothat,2．D。sothat引導(dǎo)結(jié)果狀語從句，根據(jù)句意應(yīng)該選sothat。,()3.________makeshisparentsproudis________henevergivesup，________difficultthesituationis.A．Whatever；不填；howeverB．What；不填；howC．What；that；howeverD．Whatever；that；how,3．C。第一空what引導(dǎo)主語從句，第二空that引導(dǎo)表語從句，第三空however引導(dǎo)讓步狀語從句，相當于nomatterhow。,()4.Whatwehavebeendoingmaynotdousmuchgood，but________itwillbenefitusorothers，welljuststickitout.A．nomatterB．howeverC．whetherD．a(chǎn)lthough,4．C。whether與or連用，引導(dǎo)讓步狀語從句，相當于nomatterwhether。,()5.Itsquiteatime________theplayergotinjured，butitwontbelong________hereturnstothecourt.A．since；beforeB．a(chǎn)fter；whenC．before；sinceD．that；when,5．A。itis代替ithasbeen，故第一空使用since；第二空用before表示“要不了多久就……”。,()6.Weshouldbeabletodothejobforyouquickly，________yougiveusallthenecessaryinformation.A．incaseB．providedthatC．orelseD．a(chǎn)sif,6．B。providedthat引導(dǎo)狀語從句，意為“只要”，還可表示為“providingthat”。,()7.Itisnotnecessarytoexplainthetruth________thereareair，waterandsunlight，therearelivingthings.A．inwhereverB．thatwhereverC．whichD．that,7．B。that引導(dǎo)同位語從句，同位語從句中又包含一個wherever引導(dǎo)的讓步狀語從句。,()8.Theinfluenceofautomobileextendsthroughouttheeconomy________thecarissoimportanttoAmericanpeople.A．thatB．a(chǎn)sC．soD．though,8．B。句意：汽車的影響延伸到整個美國經(jīng)濟界，因為汽車對于美國人來說太重要了。,()9.Thegovernmentshouldprotecttheoldvaluablebuildings________theyarenotinharmonywiththemodernonesnearby.A．eventhoughB．a(chǎn)sifC．sothatD．nowthat,9．A。句意：盡管這些古老的建筑和附近的現(xiàn)代化的東西不協(xié)調(diào)，但是政府也要保護它們。,()10.—Howthesestudentswishtheycouldstudy________therearefewerexams!—Icanunderstandtheirpressure.A．whereB．inwhichC．theplacewhereD．inwhere,10．A。where引導(dǎo)地點狀語從句。,