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高中原因状语从句及练习(含答案)-CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN22.原因状语从句原因状语从句表示主句中动作或状态发生的原因或理由,可位于主句之前,之后或插在主句中间。主句表示结果,从句表示原因,主要由because,as,since,for,seeing(that),considering(that),now(that),inthat,not...because等引导。1)because“因为’’,as‘‘由于”,since“既然”,for“因为”because意为“因为”,表示直接的原因或理由,着重点在从句,用于回答why,语气最强。Heisabsenttodaybecauseheisill.当主句为否定句时,从句because须用逗号与主句隔开,否则容易引起歧义。Ididn’tvisithim,becauseIwantedtoborrowsomebooks.我没去拜访他,因为我想借几本书。Ididn’tvisithimbecauseIwantedtoborrowsomebooks.我不是因为想借几本书才去拜访他的。as意为“由于”,表示十分明显的原因,所引导的从句常位于主句之前,有时也可位于主句之后,一般说明因果关系,着重点在主句,原因或理由只是附带说明,不用于回答why的问题,常用于口语。Asitissnowing,weshallnotgotothepark.AsthisbookiswritteninsimpleEnglish,itissuitableforbeginners.since意为“既然,由于”时表示对方已知的、无须加以说明的既成事实的理由,只是一个附带说明。since=asitisthefactthat...全句中心在主句。如从句表示的原因不是确定的事实,就不能用since,通常用because.Sinceeverybodyishere,let’sbeginourdiscussion.Sinceyouseemtoknowthem,whydon’tyouintroducemetothem?for是一个并列连词,由for连结的表原因的句子常看作并列句,它只提供一些补充说明或对前一个分句加以解释,不可前置。与because不同的是:because引导的从句位置可前可后,而for引导的分句只能后置,且往往须用逗号或分号与前一个分句分开。Ididn’tgotoseehim,foraheavysnowwasfalling.Thedayswereshort,foritwasnowDecember.有时,for引起的从句并不表示原因,而是表示一种推断或解释,而because则不能。Someoneinthehousemustbeill,foradoctorhasjustcomeout.Hecouldn’thaveseenme,forIwasnotthere.一、填入恰当的连词1.Ididn’tgotoschoolyesterday_________Iwasill.2.________everybodyishere,let’sbeginourmeeting.3.________youareinpoorhealth,youshouldnotstayuplate.34.Iaskedhertostaytotea,________Ihadsomethingtotellher.5.________allthepassengersarehere,whydon’twestartatonce?6.Billwon’tmakeanyprogress________hedoesn’tstudyharderthanbefore.7.Hemighthavegonetobed,________thelightwentout.1.because2.Since3.As4.because5.Since6.because7.for二、填入恰当的连词1.______youdonotunderstand,Iwillexplainagain.2.______Janewastheoldestinthisfamily,shehadtolookaftertheothers.3.Hemustbeill,______heisabsenttoday.4.Theteachermustbestrictwithyou______theywantyoutomakegreatprogress.5._____yourfatheriswellagain,younolongerhaveanythingtoworryabout.6.Thedaybreaks,_____thebirdsaresinging.7.______youareill,you’dbettergotoseethedoctor.8.______shewaslateforclass,shehadtosaysorry.1.since2.As3.for4.because5.Since6.for7.Since8.As2)用下列短语引导:seeing(that)“鉴于,既然”,considering(that)“考虑到”now(that)“既然”,inthat“因为”,not...because“不是因为”notthat……butthat“不是因为……而是因为,’seeingthat与consideringthat同义,含义近似since,所引导的句子中心在主句,重在强调结果。Seeingthattheweatherisbad,we’llstayathome.Consideringthattheyarenewcomers,they’veaccomplishedalot.nowthat的含义与since(“既然”)接近,区别在于:since表示原先已存在的情况,而nowthat表示由于新情况的出现而促成某事发生。Nowthatithasstoppedraining,let’sstartatonce.Nowthatyouareallhere,let’strytoreachadecision.inthat作“因为”解时,由于介词in的含义是指“在……方面”,有限制作用,因此多指由于某一方面的原因或理由,不能位于句首。Ilikethecity,butIlikethecountrybetterinthatIhavemorefriendsinthecountry.Icouldunderstandhispointofview,inthatI’dbeeninasimilarpositionmyself.not...because意为“不是因为”,该结构中的not否定because。4Shedidn’tmarryyoubecauseyouhadmoney.她不是因为你有钱才嫁给你。Themachinedidn’tstopbecausethefuelwasusedup.机器不是因为燃料耗尽才停下来的。notthat...butthat作“不是因为……而是因为”解。NotthatIdon’tlikethefilm,butthatIhavenotimeforit.Hefeltabitworried,notthattheywerenotworkinghard,butthattheydidn’tpayenoughattentiontosafety.家庭作业选择恰当的答案1.Themancan’tgetonthebus______thereisnoroomonit.A.thoughB.becauseC.untilDsothat2.______herdaughterhadn’tcomeback,______shelookedworried.A.Because,/B.Because,soC.Though,butD.Though,/3._______you’vegotachance,youmightmakefulluseofit.A.NowthatB.AfterC.AlthoughD.Assoonas4.Hefounditdifficulttoread,_______hiseyesightwasbeginningtofail.A.andB.forC.butD.or5.Amancannotsmilelikeachild,________achildsmileswithhiseyes,whileamansmileswithhislipsalone.A.soB.butC.andD.for1.B2.A3.A4.B5.D1.____nobodywasveryinterestedinit,theydecidedtocancelthetrip.A.EventhoughB.AssoonasC.WhileD.Seeingthat2.____ourcountryhassomanygoodtable-tennisplayers,wehavetodecideonthebestonestotakepartinthegame.A.AlthoughB.SinceC.IfD.While3.NotthatJohndoesn’twanttohelpyou,____it’sbeyondhispower.A.butthatB.forthatC.andthatD.inthat4.Animalssufferedatthehandsofman____theirhabitatsweredestroyedbypeopletomakewayforagriculturalland.A.inwhichB.forwhichC.sothatD.inthat55.____Tomhasnointerestinpiano,thereisnopointpushinghimtolearnit.A.NowthatB.IncaseC.EvenifD.Asif(D;B;A;D;A)1.____you’vegotachance,youmightaswellmakefulluseofit.A.NowthatB.AfterC.AlthoughD.Assoonas2.Hefounditincreasinglydifficulttoread,____hiseyesightwasbeginningtofail.A.andB.ForC.ButD.or3.Amancannotsmilelikeachild,____achildsmileswithhiseyes,whileamansmileswithhislipsalone.A.SoB.ButC.andD.for4.Ididn’tgo_____Iwasafraid.A.SinceB.ForC.BecauseD.Though5.______itwasraining,______westayedathome.A.Because,soB.Because,/C.Because,forD.If,so6.Isaidnothingaboutit____hiswifewasthere.A.sinceB.sothatC.becauseD.unless7.______theweatherissobad,wehavetodelayourjourney.A.beforeB.sinceC.tillD.After8._____itisraining,you’dbettertakeataxi.A.beforeB.asC.tillD.after9.Youshouldn’tgetangryjust______somepeoplespeakillofyou.A.sinceB.sothatC.becauseD.unless10._____youarehere,you’dbetterstay.A.beforeB.NowthatC.tillD.after11.Ihurried________Iwouldn’tbelateforclass.A.sinceB.sothatC.asifD.unless1
本文标题:高中原因状语从句及练习(含答案)
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