备考2027中考英语一轮复习之七八年级核心考点精讲精练·专题十三 状语从句：类型与连词（含答案）

七八年级核心考点精讲精练专题十三状语从句：类型与连词【教材出处】七下Unit2Goforit!：if引导条件状语从句七下Unit3Foodmatters：because引导原因状语从句七下Unit4Theartofhavingfun：when/while引导时间状语从句八上Module7Afamousstory：while/as引导时间状语从句八下Unit2Growingpainsandgains：until用法八下Unit3Whatmakesagreatteam?：so…that/such…that结果状语从句八上Unit5Playbytherules?：although/though引导让步状语从句【考点精讲】考点1状语从句基础概述状语从句由从属连词引导，在句中作状语，修饰主句动词、形容词、副词，表时间、条件、原因、让步、结果、目的、比较、地点。从句前置：逗号隔开主从句

WhenIarrived,hewasreading.从句后置：无需逗号

HewasreadingwhenIarrived.时态核心规则：主将从现

时间、条件状语从句表将来含义时，主句将来时，从句一般现在时。考点2时间状语从句表动作发生时间，连词：when,while,as,before,after,since,until,assoonas,whenever（1）when/while/as区分连词用法特点例句when可接短暂动作、长动作（通用）Whenhecamein,Iwasreading.（came短暂动作）while仅接持续性长动作，从句多用进行时WhileIwasreading,hecamein.as强调两个动作同步发生，译作“一边……一边”Hesangashewalked.（2）before/afterbefore在……之前

Pleaseturnoffthelightsbeforeyouleave.after在……之后

IwenttobedafterIfinishedmyhomework.补充：主从句主语一致，可简化为before/after+doing

Beforeleaving,pleaseturnoffthelights.（3）since自从时态固定搭配：主句现在完成时，从句一般过去时

IhavelivedheresinceIwasborn.（4）until直到延续性动词+until：动作持续到某时

Iwaiteduntilhecameback.not…until+短暂性动词：直到……才

Ididn’tleaveuntilhecameback.（5）assoonas一……就……遵循主将从现，从句一般现在时表将来

IwillcallyouassoonasIgetthere.考点3条件状语从句表动作发生条件，连词：if,unless,aslongas，统一适用主将从现if如果

Ifitrainstomorrow,wewillstayathome.unless除非（=if…not，本身含否定，不叠加not）

Youwillfailunlessyouworkhard.

=Youwillfailifyoudon’tworkhard.aslongas只要

Youcangooutaslongasyoufinishyourhomework.考点4原因状语从句表动作发生原因，连词：because,since,as,nowthat连词语气强弱使用场景例句because最强直接原因，回答why提问IwaslatebecauseImissedthebus.since中等已知客观事实，译为“既然”Sinceyouarehere,let’sstart.as最弱附带次要原因，常放句首AsIwastired,Iwenttobedearly.补充规则：because和so不能同句连用

拓展：nowthat既然，用法同since

Nowthatyouhavefinishedwork,youcangohome.考点5结果状语从句表主句带来的结果，固定结构：so…that/such…that1.so…that如此……以至于①so+形容词/副词+that

Sheissoyoungthatshecan’tgotoschool.

HerunssofastthatIcan’tcatchhim.

②so+形容词+a/an+单数名词+that

sobeautifulagirl=suchabeautifulgirl

Sheissobeautifulagirlthateveryonelikesher.2.such…that如此……以至于①such+a/an+形容词+单数名词+that

Sheissuchabeautifulgirlthateveryonelikesher.

②such+形容词+复数名词+that

TheyaresuchinterestingbooksthatIreadrepeatedly.

③such+形容词+不可数名词+that

Itissuchdeliciousfoodthatallpeopleloveit.考点6让步状语从句表转折“虽然、尽管”，连词：although,though,eventhough,evenif

核心规则：although/though和but不能同句连用正确：Althoughhewastired,hekeptworking.正确：Hewastired,buthekeptworking.错误：Althoughhewastired,buthekeptworking.拓展：eventhough/evenif即使，语气更强

Iwillgoeventhoughitrainstomorrow.考点7目的状语从句表动作目的，连词：sothat/inorderthat从句特征：常搭配情态动词can/could/may/might/will/would

Shegotupearlysothatshecouldcatchthefirstbus.句式简化：主从句主语一致，可替换为inorderto/soasto+动词原形

Shegotupearlyinordertocatchthefirstbus.

区分易混点：sothat（目的）：从句有情态动词so…that（结果）：从句无情态动词考点8比较状语从句表两者对比，连词：than,as…asthan比……（比较级）

HerunsfasterthanIdo.as…as和……一样（原级比较）

Sheisastallashersister.

否定：notas/so…as不如……

Sheisnotastallashersister.考点9地点状语从句（拓展）连词：where（在……地方）、wherever（无论哪里）

Youcansitwhereyoulike.

Whereveryougo,Iwillfollowyou.四、高频失分点汇总失分点1until动词搭配混淆短暂性动词（leave/start）必须用not…until；延续性动词（wait/stay）直接用until

❌Iwillleaveuntilhecomesback.

✅Iwon’tleaveuntilhecomesback.失分点2成对连词不可连用because与so二选一

❌Becausehewasill,sohedidn’tgotoschool.

✅Becausehewasill,hedidn’tgotoschool.although与but二选一

❌Althoughheistired,buthekeepsworking.

✅Althoughheistired,hekeepsworking.失分点3if两种从句时态区分if引导条件状语从句：主将从现

❌Iwillstayhomeifitwillrain.

✅Iwillstayhomeifitrains.if引导宾语从句：时态随实际语境

Idon’tknowifhewillcometomorrow.失分点4so…that/such…that结构混用❌Itissointerestingbookthateveryonelikesit.

✅Itissuchaninterestingbookthateveryonelikesit.

✅Thebookissointerestingthateveryonelikesit.失分点5遗漏主将从现时间、条件状语从句表将来，从句不用将来时

❌Ifitwillraintomorrow,wewillstayhome.

✅Ifitrainstomorrow,wewillstayhome.失分点6sothat（目的）与so…that（结果）混淆❌Shegotupearlysothatshecaughtthebus.（目的缺少情态动词）

✅Shegotupearlysothatshecouldcatchthebus.（目的）

✅Shegotupsoearlythatshecaughtthebus.（结果）五、九年级衔接预览九上Unit6Livegreen：unless条件从句、sothat目的从句；九上Unit5Afinebalance：大量使用so…that/such…that结果从句；复习重点：连词辨析、until动词搭配、成对连词不连用、主将从现。三级过关精练过关一・基础达标一、填入合适连词Iwasreadingabook________hecamein.________Iwasreading,hecamein.Iwillwaithere________youcomeback.Ididn’tleave________youcameback.________itrainstomorrow,wewillstayathome.Ididn’tgotoschool________Iwasill.________hewastired,hekeptworking.Sheis________young________shecan’tgotoschool.Sheis________ayounggirl________shecan’tgotoschool.Ihavelivedhere________Iwasborn.二、单项选择IwaswatchingTV________mymothercamein.

A.while B.as C.when D.because________IwaswatchingTV,mymothercamein.

A.While B.When C.As D.BecauseIwillwaitforyou________youcomeback.

A.although B.assoonas C.unless D.untilIdidn’tgotobed________Ifinishedmyhomework.

A.until B.after C.before D.when________itrainstomorrow,wewillcancelthetrip.

A.Unless B.If C.Although D.BecauseShedidn’tgotoschool________shewasill.

A.though B.if C.because D.unless________heisyoung,heknowsalot.

A.Although B.Because C.If D.UnlessSheis________akindgirl________everyonelikesher.

A.so;that B.such;that C.so;as D.such;asThebookis________interesting________Ireadittwice.

A.such;that B.too;to C.so;that D.enough;toIwilltellhimthenewsassoonashe________back.

A.comes B.willcome C.came D.iscoming过关二・能力提升三、用所给词适当形式填空Ifit________(rain)tomorrow,wewillstayathome.I________(notleave)untilhe________(come)back.She________(live)heresinceshe________(be)born.Youwillpasstheexamifyou________(study)hard.He________(go)tobedafterhe________(finish)hishomework.四、单项选择Iwasreading________hecamein.

A.while B.as C.when D.because________Iwasreading,thephonerang.

A.While B.When C.As D.BecauseShewaited________hermothercameback.

A.until B.assoonas C.unless D.althoughIwon’tgototheparty________sheinvitesme.

A.if B.unless C.because D.although________heispoor,heisveryhappy.

A.Because B.If C.Although D.UnlessHegotupearly________hecouldcatchthefirstbus.

A.sothat B.so…that C.such…that D.inordertoSheis________aclevergirlthateveryonelikesher.

A.so B.very C.too D.suchHeruns________fast________Ican’tcatchupwithhim.

A.such;that B.so;that C.too;to D.enough;to________youarehere,let’sstartthemeeting.

A.Because B.Unless C.If D.SinceIwillgototheparkifit________tomorrow.

A.doesn’train B.won’train C.isn’training D.didn’train过关三・综合突破五、语篇填空：填入连词或词的适当形式IwillneverforgetmyfirsttriptoShanghai.Iwasveryexcited________36Iarrivedthere.________37Iwaswalkingalongthestreets,Isawmanytallbuildings.Itookmanyphotos________38Icouldrememberthebeautifulcity.________39Iwastired,IkeptwalkingbecauseIdidn’twanttomissanything.Istayedthereforthreedays________40Ihadtogobackhome.Iwillneverforgetthistrip.________41Ihavetime,Iwillgothereagain.IhavebeentoShanghaitwice________42Ifirstvisiteditin2020.Ilikethiscityverymuch________43itismodernandbeautiful.参考答案与解析过关一・基础达标一、连词填空when（came短暂动作用when）While/When（reading长动作）until（wait延续动词，until表持续等待）until（not…until直到……才）If（if引导条件状语从句）because（直接原因，回答why逻辑）Although/Though（让步，虽然）so;that（so+形容词+that）such;that（such+a+形容词+单数名词）since（自从，现在完成时标志）二、单项选择C解析：came