中考英語語法復(fù)習(xí)狀語從句

狀語從句在主從復(fù)合句中作狀語的從句叫做狀語從句。狀語從句由從屬連詞引導(dǎo)，與主句連接，位于句首時，常用逗號與主句分開，位于句末時，其前一般不用逗號。狀語從句根據(jù)其用途可分為時間狀語從句、條件狀語從句、原因狀語從句、目的狀語從句、結(jié)果狀語從句、讓步狀語從句、比較狀語從句、地點狀語從句等。分類引導(dǎo)詞例句時間狀語從句when/while/as(當(dāng)……時),before(在……之前),after(在……之后),since(自從……以來),not…until(直到……才),assoonas(一……就……),as(一邊……一邊……)Whenitbegantorain,Benwashelpinghismommakedinner.Hewritesashelistens.HebecameanEnglishteacherafterhegraduatedfromPekingUniversity.Hedidnotgotobeduntilhisfathercameback.條件狀語從句if(如果),aslongas(只要),unless(除非)Unlessbadweatherstopsme,Igoforawalkeveryday.原因狀語從句because(因為),since(既然),as(由于)Ididn'taccepthishelpbecauseIwantedtotryitmyself.Sincewehavenoideaaboutthisproblem,let'saskMr.Wangforhelp.目的狀語從句sothat(以便,為了),inorderthat(為了)Theyspedupsothat/inorderthattheycouldgetthereontime.結(jié)果狀語從句so…that/such…that(如此……以至于)It’ssohotthatnobodywantstogoout.讓步狀語從句though/although(盡管,雖然),eventhough/if(即使),whatever(無論什么),whenever(無論何時),wherever(無論哪里)Althoughmilkisgood，youshouldnotdrinktoomuchofit.Whateveryouwanttobe,youneedtoworkhardtoachieveit.1.時間狀語從句(1)when引導(dǎo)的時間狀語從句，主句是一般將來時或祈使句，表示將來的意義時，從句通常用一般現(xiàn)在時。(簡稱“主將從現(xiàn)”“主祈從現(xiàn)”)。e.g.Whenhecomeshere,Iwillcallyou.while引導(dǎo)的時間狀語從句表示正在發(fā)生某事的同時，另一件事發(fā)生了或正在發(fā)生。多用進(jìn)行時態(tài)，主句時態(tài)視情況而定。e.g.Whiletheteacherisspeaking,Iamlisteningcarefully.(2)assoonas引導(dǎo)的時間狀語從句，主、從句的時態(tài)：①主將從現(xiàn)。e.g.I’lltellhimthenewsassoonashearrives.②主、從句同為過去時。e.g.Assoonashegothome,hethrewhisbagonthesofa.(3)until/till引導(dǎo)的時間狀語從句①主句為肯定句：謂語動詞必須是延續(xù)性動詞，表示這一動作或狀態(tài)一直延續(xù)到until/till所表示的時間為止。e.g.I’llwaitforyoutill/untilyoucometoseeme.②主句為否定句：謂語動詞是非延續(xù)性動詞,常用句式not…until“直到……才”。表否定意義的詞還有never,nothing等。e.g.Ididn’tgotobeduntilIfinishedmyhomework.(4)since引導(dǎo)的時間狀語從句用一般過去時，主句用一般現(xiàn)在時或現(xiàn)在完成時。即…h(huán)avedone…sincesb.did…“自從某人做了……一直……”;Itis+一段時間+sincesb.did…“(自從)做某事有……(多久)”。e.g.IhaveworkedinthisschoolsinceIgraduatedfromPekingUniversity.Itis10yearssinceIbegantostudyEnglish.2.條件狀語從句(1)時態(tài):主句為一般將來時或含有情態(tài)動詞，從句用一般現(xiàn)在時。e.g.I’llvisittheGreatWallifitdoesn’traintomorrow.Wecan’tpasstheexamunlesswestudyhard.(2)“祈使句,+and/or+陳述句”中，祈使句在意義上相當(dāng)于一個條件狀語從句。e.g.Useyourhead,andyou’llfindaway.=Ifyouuseyourhead,you’llfindaway.3.原因狀語從句(1)通常用because,since,as引導(dǎo)原因狀語從句?；卮饂hy提出的問題用because。e.g.Ididn’tgotothemoviesbecauseIhavetofinishmyreport.(2)如果原因是人們已知的事實，就要用since“既然”引導(dǎo)。e.g.Sinceyoucan’tanswerthequestion,youcanasksomeoneelseforhelp.4.目的狀語從句(1)引導(dǎo)詞(組):sothat,inorderthat等。從句謂語中常含有may,can,must,will等情態(tài)動詞。e.g.Hemustgetupearlysothathecangotoworkontime.(2)當(dāng)主、從句的主語一致時，從句可用“soasto/inorderto+動詞原型”代替。e.g.Heworkeddayandnightinorderthathecouldsucceed.=Heworkeddayandnightinordertosucceed.5.結(jié)果狀語從句(1)如此……以致于……so…that與such…that的區(qū)別：so+形容詞/副詞+thatsuch+a/an+形容詞+單數(shù)可數(shù)名詞+thatsuch+形容詞+復(fù)數(shù)可數(shù)名詞/不可數(shù)名詞+thatso+形容詞+a/an+單數(shù)可數(shù)名詞+that當(dāng)名詞前面有many或much修飾時，用so而不用such。e.g.Heissuchayoungboythathecan’tgotoschool.=Theboyissoyoungthathecan’tgotoschool.Wehavesomuchtimethatwecanfinishtheworkverywell.(2)so…that句型的否定形式可用too…to…或not…enoughto構(gòu)成的簡單句代替。e.g.Heissoyoungthathecan’tgotoschool.=Heistooyoungtogotoschool.=Heisnotoldenoughtogotoschool.練習(xí)I.單項選擇1.Mycousinbecameacountrydoctor__________hefinishedmedicalschool.A.after B.sothat C.but D.so2.Anndidn'tknowanythingaboutthenews________Mrs.Browntoldher. A.because B.until C.ifD.for3._______heheardthelittlegirlcryingforhelpoutside,herushedoutoftheroom.A.AssoonasB.UnlessC.IfD.Although4.Yourparentswon'tletyougooutalone__________theyaresureyou'resafe.A.since B.if C.unlessD.so5._______heismyfavoritesinger,Ididn’tbuyhisnewCD.A.If B.Eversince C.EventhoughD.Because6.________heis72yearsold,________hekeepsrunningeveryday.A.Although;butB.Although;/C.But;/D.Although;still7.Ilovetolistentorockmusic________Iamrunning.A.while B. after C.since D.until8._______wealwayswaitforanotherday,fruitlesslyourlifewillpassaway.A.Until B.If C.AlthoughD.Whether9._______Iwalkaroundinthissmalltown,whatIseemakesmethinkofmychildhood.A.WhateverB.WhereverC.Whoever10.Wecan'tavoidtrafficaccidentsunlesseveryone_____therules.A.follows B.breaks C.willfollow D.willbreak11.ChineseenjoyshoppingonlineonNov.11,Americanslovegoingtophysicalstores(實體店)justafterThanksgiving.A.soB.orC.whileD.for12.—BettyBenhavejoinedthemusicclub.—That’sgreat!A.Both;andB.Neither;norC.Either;orD.Notonly;butalso13.—CouldyouteachmeEnglish?—Ofcourse.IamgoodatChineseEnglish.A.notB.thanC.aswellasD.while14.—IwroteitinmynotebookIwon’tforgetit.—That’sagoodway.A.assoonasB.whileC.sothatD.soasto15.—WillLilycome?—Idon’tknow.Iwilltellyoushecomes.A.assoonasB.soastoC.asifD.inorderto16.Itwouldbelateforschool.Tomdressedquicklyheputhisshoesonthewrongfeet.A.so;asB.so;thatC.such;thatD.too；to17.Thinkitoveryoumakethefinaldecision,oryoumayregretitlater.A.ifB.beforeC.afterD.when18.—youyoursistercangobecauseoneofyouhavetostayathome.—Webothwanttogo,Mum.A.Both;andB.Either;orC.Neither;norD.Notonly;butalso小語選AHowtodealwiththewasteisagreatproblemfortheworldtoday.Wastermustbetreated___1___itwillnotbecomeadangertolife.Unfortunately,insomecountries,wastefromfactorieswillpourstraightintorivers.Peopleusethewaterfromtheseriversoftengetsick.Thewatermaybecomesopolluted___2____itkillsallthefishintheriver.__3____theseriversfinallyreachthesea,theypollutetheocean.A.eventhough B.until C.sothat D.unlessA.that B.since C.because D.ifA.although B.when C.after D.beforeBIliveinMissouri,neararivercalledtheJacksForkRiver.____4_____Iwasborn,mygrandparentsdecidedtohelpkeeptheriverclean.SothestartedaclubcalledStreamTeam713,____5____IlikeitsanothernamebettertheJacksForkRiverRats.Theclubmakessurethewateriscleanandhealthyforfishandpeople.AndnowIcanhelptakecareoftherivertoo___6___Iamoldenough.A.Although B.Before C.If D.sothatA.but B.until C.when D./A.after B.because C.so D.unlessC___7____Iwassevenyearsold,Istartedtogotoprimaryschool.Iwasveryexcited___8____Ibecameaschoolstudentandlearnschoolsubjects.MyfavouritesubjectwasScience.___9____therewasSciencelessononschoolday,Iwouldbeveryhappy.A.Although B.Until C.Before D.WhenA.after B.because C.so D.butA.If B.Unless C.while D.or語法選擇(1)Somepeoplehavealotofhair,while___1__havethinhairorarebaldontopoftheirheads.However,hairproblemscaninfluenceanyoneiftheyhave___2___unhealthydietorlifestyle.Areyouhappywiththehairyouhave?___3___youarenot,trythefollowingadvice.Thefirststeptoahealthierheadofhairistomakesureyou___4____therightkindsoffood.Lackofproteinandironcansecretlystopyourhair___5___beingshinyandbeautiful.Youneedtoeatenoughgreenvegetablesandfruit.___6____inplentyofwaterisalsoimportanttohelpkeepyourhairfromgettingdry.Doctorssuggestthateighttotenglassesshould___7___eachday.Thestressoflife___8___alsochangeyourhair.Now___9___youngpeoplehavemanythingstoworryabout,likedoingdifficulthomeworkorpreparingforimportantexams.___10____isimportantforyoutoreducethepressureyouarefeeling.Listeningtomusicandgettingmorerestcanhelp.Youneedtothinkaboutthewayyoutreatyourhair.Themorecarefullyyoutakecareofyourhair,the____11___yourhairwillbe.Andyoushouldknow___12___isharmfultoyourhair.Forexampletoomuchcolouringcanbebadforyourhair.Also___13____gentlewithyourhair.Donotrubittooquicklywhenyoudryit.Thatcould___14____damageyourhair.Rememberthatusinghairdryerstoomuchcanhurtyourhairtoo.Finally,besuretochoosetherighthairproducts___15_____aregoodforyou.It’snecessaryforyoutocareforyourhair.1.A.theothersB.anotherC.othersD.other2.A.anB.aC.theD./3.A.IfB.HoweverC.UnlessD.Whether4.A.ateB.eatsC.wereeatingD.areeating5.A.atB.forC.fromD.in6.A.TakeB.TakingC.TookD.Taken7.A.drinkB.drankC.bedrunkD.bedrinking8.A.canB.mustC.shouldD.need9.A.thousandB.thousandsC.thousandthD.thousandsof10.A.ThatB.ThisC.ItD.What11.A.wellB.betterC.goodD.best12.A.whenB.whatC.thatD.why13.A.beingB.isC.beD.been14.A.easyB.easierC.easinessD.easily15.A.whichB.whatC.whoD.why(2)Whenyoustepinto___1____newenvironment,youmusthaveastrongwishtofitin.Fittinginmeansmakingmorefriends,____2____moreinfluenceonothersandgettingmorechancestoliveahappierlife.Hereissome___3____thatcanhelpyou.Beconfident.Confidenceattractsmostpeople.Everyoneisspecialandthereisonlyoneperson___4___youinthisworld.Spend____5____thinkingaboutyourstrongpoints.Ifso,you___6____buildupconfidencestepbystep.Youwon’thavemuchdifficultfittingin.Bekindtoeveryone.Kindnessisthebridgetoyourown____7____.Whenpeoplenoticeyourkindness,theywillreturnitoneday.Alwaysgivemorethanyoureceive,andthinkmoreofothersthanof____8_____.Aperson____9_____caresforothersispopulareverywhere.Beactiveingroupactivities.Variousactivitieslikeplayingfootballcanhelpyoutobeknownto___10____.Youmayaddmorefriendstoyourcircle.Atthesametime,you’llbe___11_____toseehowmuchtheylikeyou.Insteadof___12_____timebeingalone,goouttodanceandsingtogetherwithotherstodevelopfriendship.Beoptimistic.Optimismmakesbothyouandotherpeoplefeelpleased.Itmakesagoodfirstimpression.Apleasantsmilecoststhe___13____anddoesthemost.Humourcatchesothers’attention____14____.Peoplewilllikeyouformakingthemlivehappily.Ifyoufollowwhatismentionedabove,you___15____bypeoplearoundyou.Asaresult,youwillfitinverywellandenjoyy