2019初三专项复习状语从句

状语从句一．引入环节看下面的句子，试着找出状语状语部分划线）1.Thanksalot.2.Thestudentslefttheclassroomquickly.3.Withhishelp,wecanworkouttheproblem.4.Theydideverythingtheycouldtosavetheworker’slife.5.Shenursedthepatientsdayandnight.看下面的句子，试着找出状语从句。（请在状语从句部分划线）1.IplaybasketballwhenIamfree.2.Iwillplaybasketballifthereareenoughplaceontheplayground.3.Ilikeplayingbasketballbecauseitisgoodformyhealth.4.IpracticeplayingbasketballeverydayinorderthatIcanbethebestoneinourclass.5.IplayedbasketballeverydaylastyearsothatIhadastrongbody.6.IlikeplayingbasketballeventhoughIamnottall.7.IplaybasketballaswellasTom.

8.IplaybasketballwhereverIcan.总结：状语从句的分类二．学习目标1.掌握状语从句的分类2.掌握各类状语从句的连接词三．知识讲解1.时间状语从句时间状语从句说明动作或状态发生、存在的时间。时间状语从句可以由下列连词或词组引导：when,while,asbefore,afteruntil,tillassoonassince要根据连词的不同意义来推断主句的谓语动词的时态。在时间状语从句中，通常用一般现在时代替一般将来时。（1when,while,as引导时间状语从句

例句：1.IwasthinwhenIwasachild.2.WewerewatchingTV,whensuddenlythelightwentout.3.While/WhenwewerewatchingTV,thelightsuddenlywentout.4.Iwasdoingmyhomeworkwhilemybrotherwasplayinggames.5.Shesanghappilyasshewalkedalongthelake.小测试(请用适当的连接词填空)1.Katefellintosleep______shewaslisteningtothemusic.2.______theairmoves,itiscalledwind.3.Lookafterthechildren______Iamout.4._____wewalked,wetalked.（2before,after引时间状语从句

before表示“在……之前”的意思，即表示主句的动作发生在从句的动作之前after示“在……之后”的意思，即表示主句的动作发生在从句的动作之后例句：1.Imustgettotheshopbeforeitcloses.2.SheshowedmemanybeautifulstampsafterIgottoherhome.（3until,till引导时间状语从句例句：1.Pleasewaithereuntil/tillIcomeback.2.Myneighbordidn’tleaveuntil/tillIcameback.3.Wewalkedandwalkeduntil/tillitwasdark.4.Wedidn’tstoptohavearestuntil/tillitwasdark.5.UntilyoutoldmeIhadnoideaofit.6.Notuntileleveno’clockdidwegethome.小测试

1.Wedidn’tstartourdiscussion________everybodyarrived.A.sinceB.ifC.whileD.until2.Thepoliceaskedthechildren_______crossthestreet____thetrafficlightsturnedgreen.A.not;beforeC.notto;until

B.don’t;whenD.not;after（4assoonas引导时间状语从句assoonas引导的从句都表示从句的动作一发生，主句的动作随即就发生，常译作“一……就……这类从句中，经常用一般现在时态代替将来时态。例句：1.Assoonashegetsthere,he’llcallme.2.He’llgowithyouassoonashefinisheshiswork.3.Assoonashecamehome,Itoldhimaboutthat.（5since引导时间状语从句since引导的时间状语从句表“从……以来句用一般现在时或现在完成时，从句用一般过去时。例句：1.Hehasworkedheresincehegraduatedfromtheuniversity.

2.MygrandmotherhasbeenillsinceshewenttoLondon.since的常用句式：Itis…since+从句Ithasbeen…since+从句例句：1.ItistenyearssinceIbegantostudyEnglish.2.IthasbeenoneyearsinceIcametoChina.条件条件状语从句说明动作或状态发生、存在的条件。（1件状语从句可以由if(如),unless(除非),aslongas(只要)导主句为祈使句、一般将来时、或有情态动词时，从句用一般现在时。例句：1.Ifitsnowstomorrow,wewillhaveadayortwooff.2.Youwon’tpasstheexamunlessyoustudyhard.3.Iwon’tforgetaslongasIlive.（2if引导的状语从句的复合句等于下面的句型：祈使句+and/or…例句：1.Ifyoudon’thurryup,you’llmissthetrain.=Hurryup,oryou’llmissthetrain.

=Hurryup,andyou’llcatchthetrain.2.Ifyouworkhard,youwillpasstheexam.=Workhard,andyouwillpasstheexam.=Workhard,oryouwon’tpasstheexam.（3if引导的宾语从句和条件状语从句的用法区别。小测试1.—WhattimewillDianagettoChengdu?—I’mnotsure.Whenhe___，I’llcallyou.A.willarriveB.arriveC.arrivesD.arrived2.—Let’sgofishingifit____thisweekend.—Butnobodyknowsifit_____.A.isfine;willrainB.willbefine;rainsC.willbefine;willrainD.isfine;rains

3.Theywilllosethegame__theytrytheirbest.A.unlessB.onceC.sinceD.after4.—Doyouknowifhe__toplaybasketballwithus?—Ithinkhewillcomeifhe__freetomorrow.A.comes;isB.comes;willbeC.willcome;isD.willcome;willbe原因原因状语从句说明动作或状态发生、存在的原因。通常由because,since,as引导，其用法如下。例句：1.Ididthatbecauseshetoldmeto.2.--Whywereyouabsentyesterday?--BecauseIwasill.3.Sinceeveryoneishere,let’sbeginourclass.

4.Sinceyoucan’tanswerthequestionyoucanasksomeoneforhelp.5.AsIdidn’tknowtheway,Iaskedapoliceman.6.Heshookhishead,forhethoughtdifferently目的目的状语从句说明发生这一动作、行为的目的。通常由sothat,inorderthat引导，从句中常用can,could,may,might,will,would等情态动词。例句：1.Myfathergetsupearlyeverydaysothathecancatchthefirstbus.2.Heworkeddayandnightinorderthathecouldsucceed.结果结果状语从句说明动作或状态发生后所产生的结果通常由sothat,so…that,such…that引导。（1sothat引导的目的/果状语从句例句：1.Myfathergetsupearlyeverydaysothathecancatchthefirstbus.（表目的）2.Myfathergotupearlyyesterdaysothathecaughtthefirstbus.（表结果）

（2）sothat,such…that引导结果状语从句A.so+形容词/词+thatsuch+名词+that例句：1.Sheissocleverthattheteacherslikeherverymuch.2.Sheissuchaclevergirlthattheteacherslikeherverymuch.B.such+容词+可数名词数可数名词+that（可以用so…that代替）such+a(an)+形容词数可数名词+that=so+形容词a(an)+数可数名词+that例句：1.TheyaresuchinterestingbooksthatIwanttobuyallofthem.2.Shegotsuchgoodnewsthatshecouldn’thelpcrying.3.Jimissuchaniceboythatwealllikehim.4.Jimissoniceaboythatwealllikehim.C.somany(few,much,little)+词+that例句：1.HehassomanybooksthatIdon’tknowwhichoneIshouldborrow.

2.Hehassolittlemoneythathewasunabletobuyanythingmore.3.TherearesofewpensthatIcan’tgiveyouany.4.Hehadsomuchhomeworktodothathehadtodecidenottoseethefilmthatnight.总结：so…that表示结果，也可以用too…to,not…enoughtodo的结构来表示。例句：Heissoyoungthathecan’tgotoschool.=Heistooyoungtogotoschool.=Heisnotoldenoughtogotoschool.小测试(用适当的引导词填空)1.Thegirlis____anicegirl____weallwanttohelpher.2.Maryhad____muchworktodothatshestayedatherofficeallday.3.Thevillageis____faraway____Ican'tgetthereonfoot.

4.Thatis______aninterestingbook_____Ican'tstopreadingit.让步状语从句表示某种与主句相反的条件或情况句所表示的这些不利因素并不能阻止主句动作的发生，在相反的条件下，主句的情况依然存在。通常由though,although,evenif,eventhough引导，表示“虽然，尽管，即使不能和but连用。1.Although/Thoughthedoctorwastired,hewentonworking.=Thedoctorwastired,buthewentonworking.2.Evenif/Eventhoughwecouldaffordit,wewouldn'tgoabroadforourvacation.比较比较状语从句是对人特征数量等进行比较than(比…),as…as(和……一样),notas/so…as(和……不一),themore…themore…(越……，就越……)引导。这类从句一般以省略形式出现。例句：1.HerunsfasterthanI(run).2.Youshouldrememberasmanywordsasyoucan.3.Heisnotsotallashisbrother.

4.Yourschoolisthreetimesasbigasours.5.Theharderyoustudy,themoreknowledgeyoucangain.地点地点状语从句说明动作或状态发生，存在的地点。通常由where(在……的地方),wherever(无论在……的地方)引导。例句：1.Keepthemedicinewherechildrencannotseeit.2.Youcancampwhereveryoulikethesedays.3.Wherethereisawill,thereisa