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1高中状语从句讲解+练习高中英语状语从句用法解析一、定义：在句中作状语的从句是状语从句，修饰主句中的动词、形容词或副词等。状语从句由从属连词引导，从属连词在句中不充当句子成分，只起连接作用，状语从句放在句首时，要用逗号，放在句尾时不用。二、分类根据意义上的不同，状语从句可分为：①时间状语从句②地点状语从句③原因状语从句④目的状语从句⑤条件状语从句⑥结果状语从句⑦让步状语从句⑧方式状语从句⑨比较状语从句三、时间状语从句主句是一般将来时，时间状语从句____________表将来：“主将从现”；主句是一般过去时，从句用____________。（一）引导时间状语从句的连词有：As,when(whenever),before,after,assoonas,until(till),since,everytime,once.（二）、具体应用1）“while”主、从句动作或状态同时发生。用while引导的从句用__________动词，记忆：While后用进行时。(当我们正在吃晚饭),allthelightswentout.Pleasekeepquiet(当别人学习的时候)。While(昨天晚上我正在写信的时候)hewaswatchingTV.2）When表示“就在……的时候”,OneeveningBeethovenwaswalkinginastreet,________________(他突然停了下来)outsidealittlehouse.while意为虽然，然而，表示转折。__________________________我喜欢打篮球，而我弟弟喜欢踢足球。_____________________________我正在写作业，而他在看电视。————————————————我穿着蓝色的衣服，而他穿着绿色的衣服。———————————————虽然他喜欢他的学生，但是他对他们很严格。2While翻译成“趁着”Strikewhiletheironishot.趁热打铁。__________________________趁年轻好好学习。3）Whenever无论什么时候，随时1.Wheneversomeonethrowsinsomerubbish,thetruckproducesapieceofmusic.每当有人扔进一些垃圾时，它（汽车）就放一段音乐。2.每当我们遇到麻烦的时候，他都会帮我们______________________________________________________________________________3.________________________________每当我有时间，我就去看电影。4）till和until(表示“直到……”)句首多用until1、在肯定句中表示“直到……为止”，主句谓语动词要用延续性动词。Iwaswaitinguntil/tillhearrived.2、在否定句中表示“直到……才”主句谓语动词常用终止性动词，这时until和till常被before替换。Ididn'tleavetill/untilshecameback.5）since:主句用________，从句用________________________，since引导的从句间或可用现在完成时。1.Wehavebeenfriends(eversince)sincewemetatschool.2.Ihavebeenathomesincethreeo'clockthisafternoon.3.MariahasbeeninChinasincetwoyearsago.4.我们已经认识彼此了自从我们五岁。3.Itis……(一段时间)+since+一般过去时态句子。自从我姐姐结婚已经两年了。Since+时间点6）Everytime,eachtime,nexttimeEverytimeyougetbackatnight,youdropyourbootsonthefloor.Everytime_______________我感冒,Ihavepaininmyback.下次我去那______________________,Iwillvisitthem.7)特殊引导词：theminute,themoment,thesecond,everytime,theday，theinstant,immediately,directly,nosooner…than,hardly…when,scarcely…whenThechildrenranawayfromtheorchard(果园)themomenttheysawtheguard.NosoonerhadIarrivedhomethanitbegantorain.7）once一旦…就Onceyoubegin,youmustgoon.你一开了头，就应该继续下去。四、地点状语从句地点状语从句用where,wherever引导Weshouldgowherethepeopleneedus.我们应该去人民需要我们的地方。Wherethereisawill,thereisaway.有志者，事竟成。Wherevertheywent,theyreceivedawormwelcome.无论他们走到哪儿都受到热烈欢迎。Shefollowhim_______________他无论到哪里她总跟着。3五、原因状语从句原因状语从句用because(因为)，since(既然),as(由于)引导1.字母由多到少，语气由强到弱。2、由why提问必须用because回答。Whydidn'thecometoschool?Becausehewasill.Since,as不回答why的提问，而且从句一般放在句首，because一般放在主句之后。3、beforeof+名词_____________________由于下雨,wedidn'tgotothepark.4、because和so不可连用，只能选其一。（另有although,but5、for并列连词，不能放在句首，主要放在两个并列句之间。For所提供的理由为一个补充说明，而且前面常有_____________隔开。Thedaysareshort,foritisDecembernow.特殊引导词：seeingthat,nowthat,inthat,giventhat,consideringthat,Nowthateverybodyhascome,let’sbeginourconference.Consideringthatheisnomorethan12yearsold,hisheightof1.80misquiteremarkable.六、目的状语从句目的状语从句用so(常用于口语),that,sothat,inorderthat引导目的状语从句的谓语常含有may,might,can,could,should,would等情态动词。1.We'llsitnevertothefrontsowecanhearwell.2.Hestudiedhardsothathemightsucceed.3.I'llspeakslowlysothatyoucantakenotes.4.Theyhurriedtothestationinorderthattheycouldcatchthetrain.5.ItookataxisothatIcouldgetthereearlier.6.I’mgoingtothelectureearlysothatImaygetagoodseat.七、条件状语从句条件状语从句由if,unless,(so)aslongas(只需)引导在条件状语从句中要用一般时表示将来时（与时间状语从句相同）Wewillmissthetrainifyoudon'thurry.Youwillfailtheexamunlessyoustudyhard.=(ifyoudon’tstudyhard)Hewon’tcomeunlessheisinvited.=(ifheisn'tinvited)Eatlessfoodunlessyouwanttobecomefatter.=(ifyoudon’twanttobecomebetter)Aslongasyouarenotafraidofdifficulties,youaresuretosucceed.Aslongasyoudon'tloseheart,youwillsucceed.特殊引导词：as/solongas,onlyif,providing/providedthat,supposethat,incasethat,onconditionthatYouwillcertainlysucceedsolongasyoukeepontrying.Providedthatthereisnoopposition,weshallholdthemeetinghere.八、结果状语从句结果状语从句由such…that,so….that,sothat,that引导1.Such…that的常用句型4such+a/an+形容词+可数名词单数+thatsuch+形容词+可数名词单数+thatSuch+形容词+可数名词复数（不可数名词）+that注意somany(much,few,little)+名词，suchalotof(或lotsof)+名词是惯用法，不可乱用。Sheis____________________那么漂亮的女孩thatwealllikeher.Itwas______________________那么美味好吃的食物thattheyateitup.2.so+形容词或副词+thatso+形容词+a/an+可数名词单数+thatHeissorichthathecanbuylotofthingsforhimself.倒装____________________________________Heworkssohardthathedideverythingwell.倒装_________________________天气是如此地热，以至于我们都去游泳了————————————Itwassuchagooddaythatweallwentswimming.3.sothat,that都可以引导结果状语从句Hedidn'tstudyhard,(so)thathefailedtheexam.4.Too…to,enough…to可以引导结果状语从句Sheisyoungthatshecan’tgotoschool.Sheistooyoungtogotoschool.Sheisn'toldenoughtogotoschool.例句他不够高去打篮球123九、让步状语从句常用引导词：though,although,evenif,eventhough特殊引导词：as(用在让步状语从句中必须要倒装)，while(一般用在句首)，nomatter…，inspiteofthefactthat,while,whatever,whoever,wherever,whenever,however,whicheverMuchasIrespecthim,Ican’tagreetohisproposal.尽管我很尊敬他，我却不同意他的建议。Theoldmanalwaysenjoysswimmingeventhoughtheweatherisrough.Nomatterhowhardhetried,shecouldnotchangehermind.Hewon’tlistenwhateveryoumaysay.however=nomatterhowwhatever=nomatterwhatwhoever=nomatterwhowhenever=nomatterwhenwherever=nomatterwhere*although和though都表示“虽然”只是although更正式，多用于______