Unit10状语从句 人教版八年级英语上册

状语从句状语从句：在复合句中，表示时间、条件、方式、原因等的从句。Eg:Hewillgofishingwithusifitdoesn’trainnextweek.Selinawenttoschoollatebecauseshegotuptoolate.Youwon’tbeabletofinishthejobunlessyouaskothersforhelp.（1）时间状语从句：在一个句子中作时间状语的句子。时间状语的连接词：when(当…时候)while(当…时候)as(当…时候)after(在…以后)before(在…以前)assoonas(一…就)since(自从…到现在)not…till/until(直到…才)举例：when当…的时候(一般情况下主句是将来时的时候，从句要用一般现在时。)Mozartstartedwritingmusicwhenhewasfouryearsold.ShewillcallmewhenshegetstoCQ.（2）原因状语从句：在一个句子中作原因状语的句子。连接词：由连词because,since,as引导举例：Ididn'tgotoschoolyesterdaybecauseIwasill.（3）条件状语从句：在一个句子中作条件状语的句子。连接词：if如果,unless(=ifnot)除非,aslongas举例：Ifitdoesn'traintomorrow,wewillgohiking.（时态：主将从现）Youcangooutaslongasyoupromisetobebackbefore11:00.（4）目的、结果状语从句目的状语从句是指在一个句子中充当目的状语的句子。结果状语从句是指在一个句子中充当结果状语的句子目的状语从句连接词sothat,inorderthat引导。为了，以便。Hegetsupearlysothathecancatchthebus.结果状语从句连接词so…that,such…that,somuch/many…that引导。sothat以至于举例：Thescientist'sreportwassowonderfulthatwewereallveryexcited.Thegirlwasveryhungrysothatsheatethewholepizza.（5）让步状语从句让步状语从句是指在句子中作让步的状语的句子连接词：though,although.，evenif,eventhough,whatever/whoever/whenever/however举例：Althoughheisrich,heisnothappy.EvenifIfail,Iwilltry.Keepcalm,whateverhappens.Howeverexpensiveitmaybe,Iwillbuyit.专项习题精练一、用if连接下列两个句子。Youworkhard.Youwillgotocollege.__________________________________Iwon’tgototheparty.Theywillbeupset.______________________________________Iwalkthere.Itwilltakemetoolong.______________________________________Peoplehaveproblems.Theyshouldtalktoothers.______________________________________Whatwillhappen?Theyhavethepartytomorrow._______________________________________二、按要求完成句子，每空一词。1.Studyhard,andyouwillgetgoodgrades.(改为同义句）_____________studyhard,youwillgetgoodgrades.2.Withoutenoughexercise,youwillgetfat.(改为同义句）____________________takeenoughexercise,youwillgetfat.______you_____enoughexercise,youwillgetfat.3.Ifyouarelate,theteacherwillbeangry.(改为同义句）______________late,______theteacherwillbeangry.4.如果你请他帮忙，他会帮你的。_____youaskhim,he___________you.5.除非你马上走，否则就会迟到。______yougoatonce,you__________late.三、用所给单词的适当形式填空。Ifit______(notrain),we_______(climb)themountains.IfTom_____(work)hard,he_________(go)tocollege.CallmeifMary______(come).What_______(happen)ifwe________(nothave)theparty?Wewillcallhimaslongashe_____(arrive)theairport.四、单项选择。1.Ifyou____totheparty,you’llhavefun.A.willgoB.wentC.goD.going2.Ifyoueattoomuchfood,you_____fat.A.wasB.wereC.areD.willbe3.We’llgotothecountrysideifit_______raintomorrow.A.won’trainB.willberainyC.doesn’trainD.isn’train4.Ifthere____nobuyingandsellingofanimals,there______nokillinginnature.A.is;willbeB.willbe;willbeC.is;isD.willbe;is5.--Doyouknowifhe_____backtomorrow?--Sorry,Idon’tknow.Ifhe_____back,I’lltellyou.A.comes,willcomeB.willcome,comesC.comes,comes6.Whatwillyoudoifyou______totheoldfolk’shomevisit?A.goB.wentC.goingD.willgo7.I’llgivethebooktohimifhe______herenextSunday.A.willcomeB.comesC.iscomingD.came8.Idon’tknowifmyuncle______.Ifhe_______,Iwillbeveryhappy.A.comes,willcomeB.willcome,willcomeC.willcome,comes9.Hedoesn’ttellmewhen_____.I’llcallyouaslongashe_______.A.willcome,comesB.willcome,willcomeC.comes,willcomeD.comes,comes10.Idon’tknowifthere____asportsmeetingnextweek.Ifthey____it,Imustgetreadyforit.A.is,willholdB.willbe,holdC.willbe,willholdD.willhave,hold11.–IwanttoknowifMaria____usinthefashionshowtonight.--Ibelieveifshe____herhomework,shewilljoinus.A.joins;finishesB.willjoin,finishesC.joins,willjoinD.willjoin,willjoin12.–Iwonderifwe____afarewellpartynextweek.--Ifwe____it,Iwillcallyou.A.willhave,haveB.have,willhaveC.willhave,willhaveD.have,have状语从句综合练习单选题1．—David,youwatchTVallthetime.Whynot_________aroundthehouse?—Sorry,mum.Iwillneverwatchit_________Ifinishdoinghousework.A．tohelpout,assoonas B．tohelpout,althoughC．helpout,until D．helpout,while2．Peterisreallyhard-workingoneverysubject,sohewillaskalotofquestions________heseeshisteachers.A．although B．assoonas C．whether D．until3．I’mgoingtoHangzhouforaholidaythisweekend._____youarethere,canyoubuymesomegreentea?A．Because B．If C．While D．After4．Lindawasjustgoingoutshopping________thetelephonerang.A．before B．when C．after D．because5．Myfatherwasreading________Iwassleeping.A．while B．when C．before D．after6．Iwon’tgotobed_____Ifinishmyhomework.A．if B．until C．after D．when7．MichaelwillgivemeacallassoonasheinChongqing.A．arrived B．willarrive C．arrives D．isarriving8．Yourgradeswillnotbecomebetterandbetter______youstudyhard.A．if B．unless C．or D．before9．Hehadtowait________therainstopped,becausehedidn’ttakeanumbrella.A．as B．if C．until D．after11．Whatisshegoingto___whenshe_____upA．have;growB．be;willgrowC．be;growsD．have;willgrow12．Myfatherwasverytiredyesterday._______hegothome,hewenttobed.A．Aslongas B．Because C．Although D．Assoonas13．Canyoutellmewhen________playwithme?Icanplaywithyouwhenmyhomework________.A．youwill,isfinished B．willyou,finishesC．willyou,isfinished D．youwill,willfinished14．Thegirlwasflyingakite________herfathercameback.A．while B．when C．until D．after15．Iwilltellhimthegoodnewshe__________homefromwork.A．when,willcomeB．if,willcomeC．until,comes D．assoonas,comes16．Ifit________tomorrow,wouldyouliketohaveapicnicwithme?A．don’train B．doesn'train C．won'train D．didn’train17．Youcan’timproveyourspeakingskillsyoukeepontalkingwithothersinEnglishasaspossible.A．if;often B．unless;often 18．—Iwon’tgetgoodgrades________Istudyhard.—That’s________everyoneistryinghisbesttostudyfortheexam.A．until;why B．unless;when C．unless;why D．until;when19．Ifyou________problems,youshouldtalktootherpeople.A．has B．willhave C．had D．have20．Wedon’tknowifit________tomorrow.Ifit________,wewon’thavethesportsmeeting.A．willrain;willrain B．willrain;rains C．rains;rains D．rains;willrain21．It’seasytogeton（相处）wellwithyourparents_______________yousitdownandhaveagoodtalk.A．because B．though C．aslongas D．before22．Iwonderifhe__________jeanstothepartytonight.Ifhe________,theteacherwon’tlethimin.A．wears;does B．willwear;do C．willwear;does D．wears;do23．Youdon’tneedalotoffriends_________theyaregood.A．becauseofB．thesameasC．aslongas D．so25．Ifit_______tomorrow,wewillgotothepark.A．isn’train B．don’train C．doesn’train D．won’train