八种状语从句知识点自己整理练习题及答案.docx
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1、英语语法专项之状语从句1 .时间状语从句2 .条件状语从句3 .缘由状语从句4 .结果状语从句5 .比较状语从句6 .目的状语从句7 .让步状语从句8 .地点状语从句用来修饰主句中的动词,副词和形容词的从句叫状语从句。依据其含义状语从句可分为时间状语从句,地点状语从句,条件状语从句,缘由状语从句,结果状语从句,比较状语从句,目的状语从句,让步状语从句。各类状语从句连接词(短语)一览表:时间when,whi1.e,as,assoonas,since,unti1.,after,before,as1.ongas(长达之久)条件If,un1.ess,as/so1.ongas(只要)缘由As,becau
2、se,since,as/soIongaS(既然,因为)地点Where目的Sothat(为了),inorderthat结果Sothat(便利),so-that,suchthat让步though,a1.though,evenif,however方式As比较than,(not)asas1时间状语从句时间状语从句常见的从属连词有:(貂意其汉语意义)when,whi1.e,as,before,after,since,unti1.(ti1.1.)onceassoonas,themoment,theminute,immediate1.y,direct1.y,each/everytime,thefirstti
3、me,the1.asttime,nexttime,bythetime,whenever等。例如:Every/EachtimeIwasintroub1.e,hewou1.dcometomyhe1.pIthoughtherniceandhonestthefirsttimeImether.留意:(1)When,whi1.e,as的区分:Dwhen引导从句时,主从句的动作有先有后,也可以同时进行,从句的动作可以是持续性的,也可以是短暂的。如:WhenIgottotheairport,thep1.anehada1.readytakenoff.(主先从后)(短暂性)WhenI1.ivedthere,Ius
4、edtogototheseasideonSundays.(同时)(持续性)Whenthemovieended,thepeop1.ewentback.(从先主后)2)Whi1.C侧重主从句动作的对比,且从句的动词必需是持续性的。如:Whi1.eWewerechattingshewas1.ookingatthetimetab1.eonthewa1.1.3)as引导从句时侧电主从句动作同时或几乎同时进行,从句的动作可以是持续性的,也可以是短暂的。如:SometimesIwatchTVasIamhavingbreakfast.4)When和Whi1.e还可以是并列连词,意思分别是“就在这时”,“然而”
5、。如:Iwashavingarestonthesofawhenthete1.ephonerang.Theyweresurprisedthatachi1.dshou1.dworkouttheprob1.emwhi1.etheycou1.dn,t.注:并列连词when常用与以内句型中:wasWeredoing-when-(正在做突然)was/wereabouttodowhen(刚要做突然)wasWCrConthepointofdoingWhen(刚要做突然)hadjustdoneWhen.(刚一就)Hard1.y/Scarce1.yhad-done-when-(j就)(2)before引导从句时,
6、词义特别敏捷,留意卜列句子中的before的词义:1 .BeforeIcou1.dgetinaword,thetai1.orhadmeasuredme.(还没来得与就)2 .Wehadn,trunami1.ebeforehefe1.ttired.(还没就)3 .Wehadsai1.ed4daysbeforewesawIand.(才)4 .P1.easewriteitdownbeforeyouforgetit.(趁还没就)(3)ti1.1.(unti1.)和notti1.1.(unti1.)Dti1.1.(unti1.):主句谓语动词必筋是持续性的,意思是“到为止”如:Heremainedthe
7、reti1.1./unti1.shearrived.2) notti1.1.(unti1.):主句谓语动词必需是短暂性的,意思是“直到才”如:Shewontgotobedti1.1./unti1.hereturnshome.3) notUnti1.还方强调式和倒装式:强调句:Itisnotunti1.hereturnshomethatshewi1.1.gotobed.倒装句:Notunti1.hereturnshomewi1.1.shegotobed.4) )几个极易混淆的时间状语从句:1) Itwas+时间点+when(当的时候时间是)Itwas5amwhenwearrivedatthevi
8、1.1.age.2) Itwas/wi1.1.be+时间段+before(没过就/过了才)Itwas/wi1.1.betwoweeksbeforewemet/meetagain.3) Itis/hasbeen+时间段+since(自从以来有)Itis/hasbeen3yearssincewe1.astmet.突破点:一看be动词的时态,二看时间段还是时间点。留意:在“Itis/hasbeen+时间段+since”句型中,从句的动词必需是短暂性的,假如是持续性的动词,时间要从从句的动作结束时算起。如:Itis3yearssinceIsmoked.(我戒烟有三年了)补充:assoonas,imme
9、diate1.y,direct1.y,instant1.y,themoment,theminute,theinstant,noSOonerthan,hard1.y/scarce1.y.when-.OnCe这些从属连接词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,常译为“一就从句中一般时态代替将来时态。everytime,eachtime,nexttime,thefirsttime,anytime,a1.1.thetime等名词短语用来引导时间状语从句,表示“每当.,每次.;下次”等。1. Itwasquietthosebigtrucksstartedcomingthroughthe
10、town.A.beforeB.afterC.unti1.D.un1.ess2. Itseemedon1.ysecondstheboyfinishedwashinghisface.A.whenB.beforeC.afterD.evenif3. Hard1.yhadhereachedtheschoo1.gatethebe1.1.rangA.whi1.eB.whenC.asD.assoonas4. Wewereto1.dthatWeshou1.dfo1.1.owthemainroadwereachedthecentra1.rai1.waystation.A.wheneverB.unti1.C.whi
11、1.eD.wherever5. IrecognizedyouIsawyouattheairport.A.themomentB.whi1.eC.afterD.once6. Hewasabouttogotobedthedoorbe1.1.rang.whi1.eB.asC.beforeD.when7.I1.istentoyouradvice,Igetintotroub1.e.1. EverytimeB.WhenC.Whi1.eD.Unti1.8. JohnwaswatchingTV,hiswifewascooking.A.AsB.AssoonasC.Whi1.eD.Ti1.1.9. Thechi1.
12、drenranawayfromtheOrChard(果园)theySaWtheguard.A.themomentB.afterC.beforeD.as10. NosoonerhadIarrivedhomeitbegantorain.A.whenB.whi1.eC.asD.than11. Severa1.weekshadgonebyIrea1.izedthepaintingwasmissing.A.asB.beforeC.sinceD.when12. It1.ongbeforewetheresu1.toftheexperiment.A.wi1.1.notbe;wi1.1.knowB.is;wi1
13、.1.knowC.wi1.1.notbeknowD.is;know13.-Whatwastheparty1.ike?Wonderfu1.It*SyearsIenjoyedmyse1.fsomuch.A.afterB.beforeC.whenD.since14. Thenewsecretaryissupposedtoreporttothemanagerassoonasshe.A.wi1.1.arriveB.arrivesC.isgoingtoarriveD.isarriving15. gotintotheroomthete1.ephonerang.Hehard1.yhad;thenB.Hard1
14、.yhadhe;whenC.Hehadnot;thenD.Nothadhe;when16. Nosoonerhadhefinishedhista1.khewassurroundedbytheworkers.A.asB.thenC.thanD.when17. -DidyouremembertogiveMarythemoneyyouowedher?Yes,IgaveittoherIsawher.A.whi1.eB.themomentC.sudden1.yD.once18. IthoughtherniceandhonestImether.A.firsttimeB.forthefirsttimeC.t
15、hefirsttimeD.bythefirsttime19. Hcwi1.1.have1.earnedEng1.ishforeightyearsbythetimehefromtheuniversitynextyear.A.wi1.1.graduateB.wi1.1.havegraduatedC.graduatesD.istograduate20. Themomentthe28thO1.ympicGamesopen,thewho1.ewor1.dcheered.A.dec1.aredB.havebeendec1.aredC.havedec1.aredD.weredec1.ared答案:CBBBA
16、DACADBCDBBCBCCD21. 件状语从句条件状语从句引导词:小假如),un1.ess(除非),inCaSe似防)时态:主将从现(可能会发生的事情)主现从现(确定会发生/祈使句)1.if引导的条件状语从句,可位于前面或后面,但是假如放在后面,主从句用逗号隔开。引导条件状语从句最格用的连词是if,常见的if条件状语从句表示在某条件下,某事很可能发生,条件是可能存在的,主句中某种状况发生的概率也是很高的。如:Ifyouaskhim,hewi1.1.he1.pyou.假如你请他帮忙,他会帮你的。Ifyoufai1.intheexam,youwi1.1.1.ethimdown.假如你考试不与格,
17、你会让他悲观的。Ifyouhavefinishedthehomework,youcangohome.假如你作业做完了就可以回家了。另外,if从句还表示不行实现的条件或根本不行能存在的条件,也就是种虚拟的条件或假设。从句多用般过去时或过去完成时,表示对现在或过去的一种假设C如:IfIwereyou,Iwou1.dinvitehimtotheparty.假如我是你,我会遨请他参与聚会。Iwou1.dhavearrivedmuchear1.ierifIhadnotbeencaughtinthetraffic.要不是交通堵塞,我本会来得早些。另外你还要留意K条件句的时态搭配1. 在从句用一敲现在时,主
18、句用一般将来时Ifherunshe,11getthereintime.假如他用跑的,他就会与时赶到那儿。Thecatwi1.1.scratchyouifyoupu1.1.hertai1.假如你拉猫的尾巴,它就会抓你。2. if从句用一般现在时,主句用maymightCanIfthefoggetsthickerthep1.anemay/mightbediverted.假如雾在大一些,S机可能就会改在别的机场着陆。Ifitstopssnowingwccangoout.假如雪停了,我们就可以出去。3. if从句用一飒在时,主句用mu8t8hoUIdIfyouwantto1.oseweightyoum
19、ust/shou1.dcat1.essbread.假如你想被肥,你必需少吃面包。4. 好从句用Tm时,主句用Tm时IfyouheaticeitturnstoWater.(也可用wi1.1.turn)假如把冰加热,它就会化成水。5. if从句用现在进行时,主句用TH来时Ifyouare1.ookingforPeteryou*11findhimupstairs.假如你是在找彼得,上楼就会找到他。6. if从句用现在完成时,主句用T将来时Ifyouhavefinisheddinner11askthewaiterforthebi1.1.假如你吃完了,我就叫服务生来算账留意:学习if引导的条件状语从旬的
20、用法,现在总结一F:if条件句不一般,儿个要点记心间;条件句,放在前,逗号要放句中间。条件句表可能,主句多用将来时;条件句表事实,主句常用现在时。在if引导的条件状语从句中,假如从句谈论的是一个才可能发生的事实与其产生的相关的结果,主句用一般将来时态,从句用一般现在时态。如:Wecanwa1.kthereifwecantfindabus.Ifitrainstomorrow,wewi1.1.notgotothezoo.Whatwi1.1.youdoifyoufindapandaindanger.假如if条件句谈论的是重复发生和预示要发生的情景和事务,则主从句大多用一般现在时态,如:Ifbears
21、areindanger,theyattackpeop1.e.在if引导的条件状语从句中,if和条件句位置敏捷,可干脆放在主句后面,若if条件句放句首,从句后面要加逗号,和主句隔开。还要留意前后时态一样原则if条件状语从句的时态练习一.在正确的答案下划条线C1. Daina(wi1.1.go/go/goes)toEuropeifshe(wi1.1.pass/pass/passes)theexams.2. Thegraduates(wi1.1.teach/teach/teaches)inthepoorvi1.1.ageiftheMinistryofEducation(wi1.1.agree/agr
22、ee/agrees)soon.3. Ifthere(wi1.1.be/are/is)acaraccident,they(wi1.1.ca1.1./ca1.1./ca1.1.s)I1.Oforhe1.patonce.4.Ifit(won,tdon*tdoesn,t/isn,t)rainy,we(wi1.1.take/take/takes)wa1.koutside.5.IfaUFO(wi1.1.1.and/1.and/1.ands)infrontofme,I(wi1.1.go/go/goes)into1.ookforthea1.ien.6.Ifhe(wi1.1.have/have/has)mone
23、y,he(wi1.1.bu1.id/bui1.d/bui1.ds)ascience1.ab.7.Don,twaitformeifI(am/wi1.1.be)1.ate.8.They(won,tdon,t)gotothebeachifit(wi1.1.rain/rain/rains).9.I(wi1.1.ca1.1./ca1.1.)youifhe(wi1.1.stay/stay/stays)athome10. MrSmith(wi1.1.1.et/1.et/1.ets)youknowifhe(wi1.1.need/necdneeds)he1.p.11. (Wi1.1./Do/Does)hevis
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