第15讲状语从句例①Tomwasabouttoclosethewindow______hisattentionwascaughtbyabird.(2010全国卷Ⅱ)A.whenB.ifC.andD.till[解析]考查固定句型。beabouttodo…when…就要做某事时,突然……A例②______youmayhave,youshouldgatheryourcouragetofacethechallenge.(2010上海卷)A.HoweveraseriousproblemB.WhataseriousproblemC.HoweverseriousaproblemD.Whatseriousaproblem[解析]考查让步状语从句。根据句意“无论你有多么严重的问题,你都应该鼓起勇气去面对挑战。”此处however作连接副词,相当于nomatterhow,后接形容词或副词,意为“无论、不管”,引导让步状语从句,其顺序为“however+形容词/副词+主语+谓语”。C例③______ourmanagerobjectstoTom'sjoiningtheclub,weshallaccepthimasamember.(2010上海卷)A.UntilB.UnlessC.IfD.After[解析]考查状语从句。句意:“除非我们经理反对Tom加入俱乐部,不然我们应接受他成为其中一员。”因此选unless。B例④Becauseoftheheavytraffic,itwasalreadytimeforlunchbreak______shegottoheroffice.(2010四川卷)A.sinceB.thatC.whenD.until[解析]考查状语从句。句意为:“因为交通阻塞,当她到达办公室时已经是午休的时间了。”此处应为when引导的时间状语从句。C例⑤Today,wewillbegin______westoppedyesterdaysothatnopointwillbeleftout.(2010重庆卷)A.whenB.whereC.howD.what[解析]句意:今天,为了不遗漏要点,我们从昨天结束的地方开始。主从句都缺少地点状语。where引导地点状语从句。B常见连词:when/while/as;before/after;since;until;assoonas/immediately/themoment/theminute/thesecond;nosooner…than/hardly…when;thefirsttime/everytime/eachtime/nexttime时间状语从句常见连词:(1)if/once如果;一旦;unless如果……不(2)aslongas/solongas/onconditionthat…只要……就……(3)provided(providing)that…/suppose(supposing)that…saythat…/let'ssaythat…假如,如果,假设条件状语从句注意:(1)在时间和条件状语从句中,如果从句用一般现在时,主句用一般将来时。例:Theywillplaybasketballafterschooliftheyfinishtheirwork.(2)unless=if…not,意思是“如果不/没有……”。例:IwillnotattendthemeetingunlessIaminvited.条件状语从句常见连词:because,for,since,as,nowthat,when;inthat…原因状语从句结果状语从句常见连词:so…that…/such…that…注意:如果so…或such…提前放在句首,则主句要部分倒装,that从句保持不变。(1)…so+adj./adv.+that…例:Heissolittleaboythathecan'tliftsuchalittlebox.(2)somany/few/much/little(少)+n.(不可数名词或可数名词复数)+that…例:Theoldmanhadsolittlemoneythathecouldn'tevenbuyacupoftea.(3)sucha/anadj.+n.+that…=soadj.a/an+n.+that…例:Hewassuchacleverboy(=socleveraboy)thathecameupwithagoodideasoon.(4)suchadj.+n.(不可数名词或可数名词复数)+that…例:Theyhadsuchdifficultproblemstosolvethattheywerehavingahardtime.目的状语从句常见连词:(1)sothat/inorderthat+从句(从句用can/could/may/might+动词原形)例:Wegotupearlyinorderthatwecouldcatchthefirstbus.(2)incase/forfearthat/lest以免;以防(从句用should+动词原形)例:Wegotupearlyforfearthatweshouldmissthefirstbus.地点状语从句常见连词:(1)where在……地方=intheplacewhere/intheplaceinwhich例:Makeamarkwhereyouhaveproblems.(2)wherever无论在……地方=nomatterwhere例:Iwillfindhimwhereverhemaybe.让步状语从句常见连词:(1)although/though/while/虽然;尽管.例:Althoughheisrich,heneverwastesacoin.(2)as句型①表语(形容词/名词)+as/though+主语+系动词+主句。注意:名词前不加任何冠词。让步状语从句例:Oldasmyfatheris,hekeepsupwithhisEnglishstudy.Childasheis,heknowssomethingofelectricity.②副词+as/though+主语+谓语动词+主句。例:MuchasIhavetraveled,I'veneverseenamanascapableasTom.③动词原形+as/though+主语+might/may+主句。例:Tryashemight,Tomcouldnotgetoutofthedifficulty.让步状语从句(3)evenif/eventhough(有一定的假设意味)即使,纵然;例:Evenifitsnowstomorrow,weshallstillgoonbusiness.(4)nomatterwhat…,nomatterhow…/however,whatever等;“不管什么;无论如何……”;whether…无论是否……例:Nomatterhowdifficulttheproblemis,shealwaystriesherbesttoovercomeit.方式状语从句常见连词:(1)asif/asthough+从句(从句的虚拟语气与wish后的宾语从句虚拟语气类似)“好像;仿佛”例:ShespeaksEnglishasthoughshewereanativeofNewYork.(2)as正如;表示方式例:Asisknowntoall,Chinaisbecomingstrongerandstronger.比较状语从句(1)as…as…和……一样……例:ChineseisasbeautifulalanguageasEnglish.(2)notas/so…as…不如……一样……;不和……一样……例:Sheisnotashealthyashersister.(3)比较级+than比……比较状语从句【提醒】考生们要对不同状语从句的常见连词进行强化记忆,比如since,once,when,while,as意思很多,用法很多。解题时,理解前后两个句子的意思,理清他们之间的逻辑关系,再选择连词,就会胜券在握!①Ifyouwanttodothejobwell,you'dbetterbemorecareful______youmakemistakes.A.whereB.incaseC.sothatD.when[解析]incase“以免,以防”,句意:你一定要多加小心以免犯错。B②—YouseemtohaveknownDr.Brownforalongtime.—That'strue.______hejoinedourclubfiveyearsago.A.SinceB.UntilC.WhenD.If[解析]since“自从……”,句意:自从5年前他加入我们俱乐部以来我就认识他了。A③Ihavekeptthephoto______Icanseeiteveryday,asitremindsmeofmyuniversitydaysinLondon.A.inwhichB.whenC.whereD.that[解析]主句Ihavekeptthephoto主谓宾都有了,根据句意,紧接着应该是地点状语了;从句Icanseeiteveryday同样也缺少地点状语,因此选where。C④Consideringthatshedidherwork______hermanagerhadinstructed,itwasimpropertocriticizeher.A.asB.untilC.whenD.though[解析]as意为“正如”,表示方式,题意:鉴于她按照经理的吩咐做了她的工作,批评她是不合适的。A⑤Shelefttheoffice______Icouldsaysorrytoher.A.untilB.afterC.beforeD.when[解析]我还没来得及向她道歉,她就离开了办公室。C