高中英语2025届高考语法复习状语从句知识讲解

高考英语语法复习状语从句知识讲解一、时间状语从句引导词用法说明例句when从句谓语可用延续性动词，也可用短暂性动词；主从句谓语表示的动作可同时发生，也可先后发生Whenyoureadabook,you’dbettermakenotes.Whenthefirebrokeout,allthestudentsweresleepingsoundly.while从句谓语常用延续性动词或表示状态的词；主从句谓语表示的动作一般同时发生Theyrushedinwhilewewerediscussingproblems.WouldyoupleasetakecareofmyflowerswhileI’maway?as主从句谓语表示的动作同时发生，意为“一边...一边...；随着...”Theytalkedastheywalkedalongtheriver.Asyougrowolder,you’llknowbetterandbetteraboutyourself.Until/till主句为肯定句时，谓语用延续性动词；主句为否定句时，谓语用短暂性动词Iwillwaitformyfrienduntil/tillhecomes.Wewon’tstartourdiscussionuntil/tillhecomes.since表示“自（某一时间点）以来”，加强语气时since前可加ever。主句常用完成时，从句常用一般过去时Theyhavebeenlivingveryhappilyeversincetheygotmarried.Greatchangeshavetakenplacesinceyouleftthiscity.since引导的从句中，谓语若是延续性动词，往往理解为某一状态的终止Hehaswrittentomefrequentlysincehewasill.自从病好以后，他经常给我来信。It’sbeenayeareversinceIworkedhere.我不在这里工作已经一年了。after表示“在...之后”Afteryouuseplasticbags,youmustn’tthrowthemabout.before表示“在...之前；...之后才...；还没来得及...就...”ImustfinishthisletterbeforeIgohome.Ihadn’twalkedfarbeforeIlostmyway.名词短语Themoment,theminute,theinstant,everytime,eachtime,anytime,(the)nexttime,(the)lasttime,thefirsttime等名词短语可起连词作用，引导时间状语从句I’lltellhimthenewstheminutehecomes.Youarewelcometocomebackanytimeyouwantto.Nexttimeyoucome,remembertobringyourdaughterhere.表示“一...就...”意义assoonashardly...when...nosooner...than...immediatelyinstantlydirectly等Hardlyhadshegoneoutwhenitbegantosnow.她刚一出门，就开始下雪了。Pleasetellmeinstantlyhearrives.他一到就请告诉我。3 二、原因状语从句引导词用法说明例句because语气最强，表示已知或未知的事实，常用来回答why的提问，可以和强调词only,merely,just及否定词not连用，还可用于强调结构Hewaspunishedonlybecausehebrokethelaw.ItwasbecauseIwantedtoseemyunclethatIwenttotownyesterday.since语气较弱，常表示对方已知的事实，相当于汉语的“既然”Sinceshecan’tanswerthisquestion,you’dbetterasksomeoneelse.Sinceyouhavenodrivinglicense,youarenotallowedtodrive.as语气最弱，较口语化，所表达的原因比较明显，或是已知的事实Ashewasinahurry,heleftthisbaghome.Asitwasapublicholiday,alltheshopswereclosed.Nowthat“既然”，主要用于口语，表示微弱的原因，主从句的因果关系不明显Nowthatyouunderstand,Idon’tneedtoexplainagain.Nowthatweknoweachotheralittlebetter,wegetalongwell.Inthat意为“由于，因为，既然”Thisbookisdifferentfromthatbookinthatthisoneisaboutchemistryandthatoneisabouthistory.Thisexperimentisworthtrustinginthatitisbasedonscientificfacts.三、结果状语从句引导词用法说明例句So...that...so后可跟形容词、副词及由表示“多少”的many,much,little,few等修饰的名词Sheissobeautifulthateverybodylikesher.Hespokesoaloudthateveryoneintheroomheard.Hegotsolittlemoneythathisfamilyhadtoliveonwelfare.Such...that...such后跟可数名词单数、可数名词复数或不可数名词Itwassuchaterribledaythatnoneofuswouldfindanexcuseforgoingouttoplay.Theyaresuchgoodfilmsthatweallwanttoseethem.Thechefcookedsuchnicefoodthatweateup.Sothat结果状语从句前可用逗号与主句隔开，that有时可省略Wearrivedearlyinthemorning,so(that)wecaughtthefirsttrain.Wemovedtothecountry,so(that)wewereawayfromthenoisyanddullcity.注意：可数名词单数前有形容词修饰时，so...that...和such...that...都可用，但要注意不定冠词的位置。Heissocleveraboy (=Heissuchacleverboy)thatwealllikehim.四、让步状语从句3 引导词用法说明例句Though,althoughthough不如although正式，两者常可互换使用。主句中可用yet或still，更加强调对比性，但不可用butAlthough/Thoughsheworksveryhard,(yet)shemakesveryslowprogress.Youngthoughsheis,shehastravelledtomanycountriestoputonshows.Evenif,eventhough表示语气更强的让步，意为“即使；尽管”。Eventhough中though不可用although代替Evenif/Eventhoughyousayso,Idonotbelieveit.Johncontinuedtoworkhardevenif/eventhoughhefeltsick.疑问词-ever,nomatter+疑问词疑问词-ever可与“nomatter+疑问词”互换。注意：没有whyever,whethereverWheneverI’munhappy,itismyfriendwhocheersmeup.Thequalitywillbethesame,whicheverofthemyouchoose.As从句中的表语、状语或作谓语的实义动词需提前至句首。作表语的可数名词单数前若有冠词则需要省去。Though引导的从句也可这样用，但although不能Popstaras/thoughsheis,shestillneedstoimprove.Tryasshemight,Suecouldn’tgetthedooropen.五、其他状语从句状语从句引导词及用法例句地点状语从句主要有where,wherever等。Where指“在某个地方”，wherever指“在任何地方”Pleasemakeamarkwhereyouhaveaquestion.Sitwhereveryoulike.目的状语从句主要有inorderthat,sothat,forfearthat,incase等。从句中常用may,might,can,could,should等情态动词Iopenedthewindowinorderthatfreshairmightcomein.I’llrunslowlysothatyoucancatchupwithme.条件状语从句主要有if,unless,as/solongas,onconditionthat等Ifhebreakshispromise,shewillneverspeaktohimagain.Ican’tleaveherunlessIknowshe’sallright.方式状语从句主要有as,asif,asthough等YououghttodoasPaultellsyou.你应按照保罗告诉你的去做。Shewasbehavingasifshehadn’tgrownup.比较状语从句主要有than,as等Icanthrowtheballfartherthanyoucan.FrenchisasfamiliartohimasEnglish(isfamiliartohim).3