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狀語(yǔ)從句,復(fù)習(xí)重點(diǎn),1.狀語(yǔ)從句的基本用法。2.引導(dǎo)狀語(yǔ)從句的常見(jiàn)連詞。,一、狀語(yǔ)從句的類型及連詞,基礎(chǔ)知識(shí),二、狀語(yǔ)從句中的引導(dǎo)詞1.whilewhile引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)，從句的謂語(yǔ)必須是延續(xù)性動(dòng)詞（如stay,wait,live等），而不能是非延續(xù)性動(dòng)詞。如：Pleasedon’ttalksoloudwhileothersareworking.while引導(dǎo)讓步狀語(yǔ)從句時(shí)，相當(dāng)于although/though/as，但while/although引導(dǎo)的讓步狀語(yǔ)從句不用倒裝語(yǔ)序，though引導(dǎo)的讓步狀語(yǔ)從句可以倒裝也可以不倒裝，而as引導(dǎo)的讓步狀語(yǔ)從句則必須倒裝。如：,While/Although/Thoughthebrideishappy,shewillfeelhomesickatthebeginning.Happyasthebrideis,shewillfeelhomesickatthebeginning.2.until和tilluntil和till都表示“直到”，?？苫Q，但till一般不用于句首，也不用于強(qiáng)調(diào)句中。until/till從句與肯定的主句連用時(shí)，主句的謂語(yǔ)必須是延續(xù)性動(dòng)詞，表示主句的動(dòng)作一直持續(xù)到until/till所表示的時(shí)間為止。如：,Youmaystayhereuntiltherainstops.Mr.Bushremainedtheretillhisbrotherarrived.until/till從句與否定的主句連用時(shí)，主句的謂語(yǔ)是非延續(xù)性動(dòng)詞，表示“直到……才”，即主句的動(dòng)作到until/till所表示的時(shí)間才開(kāi)始。如：Davidwon’tgotobeduntil/tillhiswifereturns.Leodidn’tcomeuntilhehadgoneoverhislesson.notuntil位于句首時(shí)，主句須用倒裝語(yǔ)序。如：NotuntilIbegantoworkdidIrealizehowmuchtimeIhadwasted.,notuntil結(jié)構(gòu)可用于強(qiáng)調(diào)句中。如：Itwasnotuntilshecametoseeusthatweknewhermotherwasillinbed.3.whenwhen引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)，從句的動(dòng)作既可與主句的動(dòng)作同時(shí)發(fā)生，也可先后發(fā)生。如：Whenwewereatschool,wewenttothelibraryeveryday.Whenthemealwasfinished,Rachelwashedup.,when可以引導(dǎo)條件狀語(yǔ)從句，意為“如果”。如：Howcanweexplainittoyouwhenyouwon’tlisten?when可以作并列連詞，意為“正在那時(shí)，突然”，此時(shí)所引導(dǎo)的從句只能放在主句之后。如：Wewereswimminginthelakewhensuddenlythestormstarted.,4.asas可以引導(dǎo)時(shí)間狀語(yǔ)從句，其動(dòng)作是延續(xù)性的，表示“當(dāng)……時(shí)，隨著”。Theatmospheregetsthinnerandthinnerastheheightincreases.as可以引導(dǎo)原因狀語(yǔ)從句，一般放在句首，表示十分明顯的原因。如：Asitisraining,weshallnotgocamping.,as可以引導(dǎo)讓步狀語(yǔ)從句,通常用倒裝結(jié)構(gòu)。具體情況如下：形容詞或副詞+as+主語(yǔ)+系動(dòng)詞be或?qū)嵙x動(dòng)詞。如:MuchasIlikeit,Iwon’tbuy.名詞+as+主語(yǔ)+系動(dòng)詞（句首的名詞前多不帶冠詞）。如：Childasheis,heknowsalot.實(shí)義動(dòng)詞+as+主語(yǔ)+助動(dòng)詞（如果沒(méi)有助動(dòng)詞,則要加上do,does或did）。如：Tryashewould,hecouldn’tlifttheheavybox.,5.nosooner...than...,hardly/scarcely...when...nosooner...than...和hardly/scarcely...when...引導(dǎo)的從句表示“一……就……，剛……就……”的含義。主句中的動(dòng)詞一般用過(guò)去完成時(shí),從句用一般過(guò)去時(shí)。nosooner,hardly位于句首時(shí),主句的主謂語(yǔ)要部分倒裝。如：Thewordshadnosoonerbeenspokenthanherealizedthatheshouldhaveremainedsilent.,Ihadhardlygothomewhenitbegantorain.Nosoonerhadwegottothestationthanthetrainleft.Hardlyhadwebegunwhenweweretoldtostop.,6.由“疑問(wèn)詞-ever”構(gòu)成的復(fù)合詞與“nomatter+疑問(wèn)詞”由“疑問(wèn)詞-ever”構(gòu)成的復(fù)合詞可以引導(dǎo)讓步狀語(yǔ)從句。此時(shí)以-ever結(jié)尾的復(fù)合詞在口語(yǔ)中可由“nomatter+疑問(wèn)詞”代替。如：I’vetoldyouthatI’mgoingtobuythatpen,howevermuchitcosts.=...,nomatterhowmuchitcosts.Don’ttrusthim,whateverhesays.=...,nomatterwhathesays.,常見(jiàn)考點(diǎn),在含狀語(yǔ)從句的復(fù)合句中，主、從句通常根據(jù)實(shí)際時(shí)間關(guān)系來(lái)確定動(dòng)詞的時(shí)態(tài)，但有一點(diǎn)需要注意：在時(shí)間狀語(yǔ)從句、條件狀語(yǔ)從句或由“疑問(wèn)詞-ever”、“nomatter+疑問(wèn)詞”等引導(dǎo)的讓步狀語(yǔ)從句中，可以用一般現(xiàn)在時(shí)表將來(lái)。下面就狀語(yǔ)從句考點(diǎn)進(jìn)行歸納總結(jié)。,一、時(shí)間狀語(yǔ)從句【考例】Itwasthemiddleofthenight_____myfatherwokemeupandtoldmetowatchthefootballgame.A.thatB.asC.whichD.when,二、地點(diǎn)狀語(yǔ)從句where在地點(diǎn)狀語(yǔ)從句中，除了指地點(diǎn)外，還可指處境等。由where引導(dǎo)的地點(diǎn)狀語(yǔ)從句與定語(yǔ)從句的區(qū)別：where引導(dǎo)定語(yǔ)從句時(shí)，從句前應(yīng)有一個(gè)表示（抽象）地點(diǎn)或處所的名詞作先行詞，而狀語(yǔ)從句前沒(méi)有先行詞。,【考例】Halfanhourlater,Lucystillcouldn’tgetataxi_____thebushaddroppedher.A.untilB.whenC.althoughD.where2.Manycountriesarenowsettingupnationalparks_____animalsandplantscanbeprotected.A.whenB.whichC.whoseD.where,三、原因狀語(yǔ)從句引導(dǎo)原因狀語(yǔ)從句的常用連詞有because,since,as,now(that)等。它們的用法區(qū)別是：because語(yǔ)氣最強(qiáng)，述說(shuō)直接原因，說(shuō)明因果關(guān)系，?；卮鹨詗hy開(kāi)頭的問(wèn)句；since,as和now(that)引導(dǎo)的從句用法相似，表示雙方都知道的原因?！究祭俊狢oach,canIcontinuewiththetraining?—Sorry,youcan’t_____youhaven’trecoveredfromthekneeinjury.A.untilB.beforeC.asD.unless,四、讓步狀語(yǔ)從句【考例】_____theforestparkisfaraway,alotoftouristsvisititeveryyear.A.AsB.WhenC.EventhoughD.Incase,五、目的狀語(yǔ)從句【考例】Cathyhadquitherjobwhenhersonwasborn_____shecouldstayhomeandraiseherfamily.A.nowthatB.asifC.onlyifD.sothat,六、結(jié)果狀語(yǔ)從句so...that和such...that表示“如此……以致于”,so后面接形容詞或副詞，such后面接名詞。但名詞前有many,much,few,little這些詞修飾時(shí),要用so?！皊uch+a(n)+adj.+單數(shù)名詞+that”可轉(zhuǎn)換成“so+adj.+a(n)+單數(shù)名詞+that”。【考例】Theweatherwas_____coldthatIdidn’tliketoleavemyroom.A.reallyB.suchC.tooD.so,七、條件狀語(yǔ)從句【考例】Youwillnevergainsuccess_____youarefullydevotedtoyourwork.A.whenB.becauseC.afterD.unless,八、方式狀語(yǔ)從句引導(dǎo)方式狀語(yǔ)從句的常用連詞有as,asif/though。asif/though引導(dǎo)的狀語(yǔ)從句的謂語(yǔ)動(dòng)詞常用虛擬語(yǔ)氣，表示與事實(shí)相反的假設(shè)。如果從句所表達(dá)的內(nèi)容被看作是事實(shí)或者有可能是事實(shí)時(shí)，就要用陳述語(yǔ)氣?！究祭縅ackwasn’tsayinganything,buttheteachersmiledathim_____hehaddonesomethingveryclever.A.asifB.incaseC.whileD.though,九、比較狀語(yǔ)從句含as...as...的比較狀語(yǔ)從句用在同級(jí)比較中,若表否定用notso/as...as...。其中第一個(gè)so/as是副詞,修飾主句的形容詞或副詞的原形，后一個(gè)as是連詞,引導(dǎo)比較狀語(yǔ)從句?！究祭縄haveseldomseenmymother_____pleasedwithmyprogressassheisnow.A.soB.veryC.tooD.rather,1._____youstarteatinginahealthierway,weightcontrolwillbecomemucheasier.A.UnlessB.AlthoughC.BeforeD.Once,高考鏈接,2.Idon’treallyliketheauthor,_____Ihavetoadmithisbooksareveryexciting.A.althoughB.unlessC.untilD.once,3.Lessonscanbelearnedtofacethefuture,_____historycannotbechanged.A.thoughB.asC.sinceD.unless,4.Theyoungcouple,whoreturnedmylostwallet,left_____Icouldaskfortheirnames.A.whileB.beforeC.afterD.since,5.Themeaningoftheword“nice”changedafewtimes_____itfinallycametoincludethesense“pleasant.”A.beforeB.afterC.sinceD.while,專項(xiàng)練習(xí),I.根據(jù)括號(hào)內(nèi)的漢語(yǔ)提示補(bǔ)全下列句子。1._______________________(盡管他已經(jīng)盡力了),Royfounditdifficulttomakeanyprogressinmath.,Hardas/thoughhetried,2.AlthoughJackstartedlate,believeitornot,heplayedfootballaswellas,if_________________(不比……更好),Mike.3.Inmyopinion,buildingaskyscraperinthetwenty-firstcenturyis___________________________(比過(guò)去容易得多).,notbetterthan,mucheasierthanitusedtobe,4.Carefulsurveyshaveindicatedthatasmanyas50percentofpatients_______________________________________(沒(méi)有按醫(yī)囑服藥).5.—Howfarawaydotheylive?—_______________(就我所知),theyliveinthesameneighborhood.,takedrugsasdirectedbytheirdoctors,donot,AsfarasIknow,II.用合適的連詞填空，完成下面短文。Apackratisreallyawoodrat.Itiscalledapackrat1.________itcollectsobjectsandtakesthemhome.Packratscollectanyobjectsmallenoughtocarry,especiallyonethatglittersandshines.Theyoftenstealthings2._________peoplegoto,because,after/when,bed.Packratsoftentradeonethingforanother.Theymightstealacoinandleaveastoneinitsplace.Apparently,3.______thepackratcomesacrossanobjectitlikesbetter4._____theoneithappenstobecarryinghomeatthetime,itdropsthefirstobjectandcarriesoffthenewone.Theseanimalsaresometimescalledtrade,when,than,ratsbecauseofthisunusualhabit.5.________________someothersmallanimalsmakethesimilarball-shapednests,onlypackratsprotecttheirnestswithalargewallofsticksorpiecesofcactus(仙人掌).6._______itismating(交配)orraisingitsyoung,apackratlivesalone.Itlivesinthesamehomeallyearlongandoftenforitswholelife.,Unless,Although/Though,