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状语从句状语从句在历年来的高考试题中也是一个测试的热点项目。
对于这一语法项目，应该重点把握以下内容：一、状语从句的分类及引导各类状语从句的从属连词：1．时间状语从句：表示时间的状语从句可由when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment，the minute), by the time, no sooner ... than, hardly (scarcely) ... when, every time等引导。
2. 原因状语从句：原因状语从句是表示原因或理由的，引导这类从句的最常用的连词有because, since, as, for,有时候也用now that（既然），seeing that（既然）, considering that(照……来看), in that（因为）等。
Now that you have finished the work, you are free to do whatever you like.3. 地点状语从句：引导地点状语从句的连词有where，wherever等。
如：Sit wherever you like. / Make a mark where you have a question.4. 目的状语从句：引导目的状语从句最常用的词（组）是so，so that, in order that，in case / for fear that（以防，以免），lest（以防）等，目的状语从句中的谓语动词前常带有情态动词。
如：Speak clearly, so that / in order that they may understand you.The farmers put up iron fences around the flower garden for fear that the neighbor’s sheep (would) break in.5. 结果状语从句：结果状语从句是表示事态结果的从句，通常主句是原因，从句是结果。
高考英语考前玩转高频语法系列-状语从句状语从句是副词性从句，它在句子中担任状语，修饰主句的动词、形容词或副词。
依照修饰的方面，状语从句能够分为以下九种。
1、时间状语从句2、地点状语从句3、缘故状语从句4、目的状语从句5、结果状语从句6、条件状语从句7、方式状语从句8、让步状语从句9、比较状语从句1、时间状语从句【专项训练】：Ⅰ、选择填空：1、YoulikesportsI’dliketoread.A、whenB、whileC、butD、yet2、weweresinging,theteachercamein.A、BeforeB、afterC、AsD、Until3、Iwasabouttoleavemyhousethephonerang.A、whileB、whenC、asD、after4、Theydidnotstopfightingtherewasnoenemyleft.A、untilB、afterC、whenD、since5、Ihavenotseenhimhewenttocollege.A、whenB、beforeC、asD、since6、Itisfivedayswecamehere.A、whenB、beforeC、asD、since7、Itwasnotlonghegottoknowit.A、whenB、beforeC、afterD、until8、Weshallgowearefree.A、wheneverB、whateverC、whereverD、however9、IliveImustservethepeopleheartandsoul.A、WhenB、SolongasC、AssoonasD、Oncondition10、IwasreadinganovelhewaswatchingTV.A、whenB、whileC、beforeD、as11、Putthemedicineyoucaneasilygetit.A、sothatB、whereC、whichD、there12、WewillgothePartywantsustogo.A、whereverB、thereC、totheplaceD、which13、thereisawillthereisaway.A、WhenB、WhereC、WhetherD、How14、Iamgoingyouwentlastweek.A、whereB、whereverC、whenD、theplace15、yougo,youshouldbearthemotherlandinyourmind.A、WhereB、WhereverC、WhateverD、However16、weatherpermits,we’llhaveanouting.A、ForB、ThoughC、WhileD、If17、Youwon’tsucceedharder.A、unlessyouwillworkB、unlessyouworkC、unlessyoudon’tworkD、ifyouwon’twork18、Iwonderifheus,andIthinkifheuswe’llbeabletocompletethetaskaheadoftime.A、helps,helpsB、willhelp,helpsC、helps,willhelpD、willhelp,willhelp19、Idon’tliketobeinterruptedifI.A、speakB、willspeakC、amspeakingD、spoke20、Ifyouthisexperimentyouwillunderstandthetheorybetter.A、willbedoingB、havedoneC、willhavedoneD、woulddo21、IwouldliketodoitIlikeit.A、sinceB、becauseC、becauseofD、nowthat22、everybodyishere,Let’ssetoff.A、SinceB、BecauseC、ForD、After23、Itwashewasillthathewasabsentyesterday.A、becauseB、asC、sinceD、nowthat24、itisraining,wehadbettertakeataxi.A、ForB、AsC、BecauseofD、When25、“Whycan’tyoudoitnow?”“I’mtoobusy.”A、SinceB、AsC、BecauseD、For26、Hemusthavepassedthisway,herearehisfootprints.A、sinceB、becauseofC、nowthatD、for27、everybodyishere,Let’sbeginourmeeting.A、NowthatB、BecauseC、ForD、When28、Hisspeechmadedeepimpressionontheaudiencethattheycouldhardlyforgetit.A、suchaB、soaC、soD、such29、Theyworkedhardtheyfinishedtheirworkaheadoftime.A、soB、sothatC、suchthatD、soasto30、Hewasweakhecouldn’tstandup.A、such,thatB、so,thatC、very,thatD、so,asto31、Theforeignerspokehisinterpretercouldhardlycatchhiswords.A、suchfastthatB、sofastC、sofastthatD、sofastlythat32、Thebookisitgivesawrongideaofthefacts.A、sowritingthatB、suchwrittenthatC、suchwritingthatD、sowrittenthat33、Thehousecostwedidn’tbuyit.A、somuchmoneythatB、somanymoneythatC、suchmuchmoneythatD、suchmanymoneythat34、Itisallofuscandoit.A、soeasyexercisethatB、sucheasyanexerciseC、sucheasyexerciseD、soeasyanexercisethat35、Shehassheremembersallthenamesofthestudentsshehastaught.A、sogoodmemorythatB、suchagoodmemorythatC、suchgoodmemorythatD、goodmemory36、TheystoppedatTianjingtheymightvisittheTVtower.A、soB、becauseC、sothatD、inorder37、Weallgotupearlywemightstartatsix.A、inorderthatB、inordertoC、soD、soasto38、Letthedogloosesothatithavearun.A、shouldB、mustC、couldD、need39、clearlysothatyourteacheryoucorrectly.A、Write,canunderstandB、Havingwritten,canunderstandC、Towrite,couldunderstandD、Writing,willunderstand40、Hestartedearlysothathethereintime.A、couldgetB、gotC、hadgotD、wouldhavegot41、itwaslate,shewentonworking.A、ThoughB、BecauseC、SinceD、Whether42、wefail,wetrying.A、Evenif,don’tstopB、Eventhough,won’tstopC、Even,willnotstopD、Evenalthough,shallneverstop43、thepainwasbad,hedidnotcomplain.A、Although,butB、Though,butC、Though,yetD、Even,still44、physics,helikesmathsbetter.A、AshemuchlikesB、MuchashelikesC、MuchlikesasheD、Likesmuchashe45、telephones,tellhimI’mout.A、NomatterwhoeverB、WhoC、WhoeverD、Anyone46、We’llcarrythereformtotheendhappens.A、nomatterhowB、whateverC、anythingD、nomatterwhich47、Ittakestimetogotherebyplanethanbyship.A、farfewerB、farlessC、muchfewerD、moreless48、Heistallerthaninhisclass.A、othersB、allthestudentsC、anyotheroneD、theother49、itwasfinishedintime.A、AstheworkwasdifficultB、DifficultastheworkwasC、DifficultaswastheworkD、Aswastheworkdifficult50、IamsorryIhavecausedsomuchtrouble.A、thatB、forC、asD、since51、hecame,hewouldbringusalotofflowers.A、EverytimesB、onetimeC、EverytimeD、Onceatime52、I’lltellhimaboutitIseehim.A、assoonasB、sosoonasC、whileD、as53、IhadhardlysatdownthetelephonerangA、thanB、whenC、asD、after54、Sityoulike.A、whereB、attheplaceC、asD、wherever55、hewasn’treadyintime,wewentwithouthim.A、SinceB、AsC、ForD、Becauseof56、Allplantsneedairtheyneedwater.A、likeB、asifC、asD、so57、Workhardyoucansucceed.A、inordertoB、sothatC、forfearthatD、incase58、IfyouIwillgowithyou.A、gotoB、wentC、willD、shouldgo59、Thehardheworks,hewillmake.A、thegreaterB、thegreaterprogressC、andthemoreD、more60、wehavethoughtitover,we’lltakesteps.A、Till,notB、When,noC、Until,anyD、Until,noⅡ、改错1、Itwon’tmatterevenherefuses.2、Jimimaginedthatthewholeworldknewofhisachievements,wheninfactonlyafewpeoplehadheardofit.3、Herealizedthathishousemusthavebeenbrokenintotheminutehegothomeandsawthateverythingwasinamess.4、Hewaslookingforthedictionarywheneverhethoughthemighthaveputit.5、Nomatterifheisfree,hemustgotothelibrary.6、IhavenotmissedaplayoraconcertwhenIwasseventeenyearsold.7、NexttimethatIplantotravelinLondon,I’mgoingtotakeaplane.8、I’mnotgoingtotalkonthepointanyfurther,thoughitisneitherimportantnorveryinteresting.9、MuchsinceIlikeallthebooks,Ican’taffordtobuythem.10、Alicwaswaitingforthebusthenshenoticedathiefrunningoutofashop.11、Ithasbeentwoandahalfmonthsagosinceheleft.12、Thoughtheworkwasdifficult,butwemanagedtofinishitintime.13、ThetestshowsthatJackhasamuchquickermindthananystudentinhisclass.14、HeleftforGuangzhoubytrainlastMonday.Heoughttohavearrived,Ithink..15、Theywrotetothebossinordertheycouldimprovetheirworkingconditions.16、Hegoesfishingwhereverhehastime,whichisnotoften.17、Idon’tknowwhenhecomestomorrow.Ifhecomes,letmeknowatonce.18、Whenyoureadabook,you’dbettermakeamarkthatyouhaveanyquestions.19、Shipsaremuchmoreslowerthanplanesthatfewpeopletakethemonbusiness.20、Shehassuchlittleeducationthatsheisunfitforthejob.【答案】：Ⅰ、1、 B 2、C 3、B 4、A 5、D 6、D7、B 8、A 9、B 10、B 11、B 12、A13、B 14、A 15、B 16、D 17、B 18、B19、C 20、B 21、B 22、A 23、A 24、B 25、C26、D 27、A 28、A 29、B 30、B 31、C 32、D33、A 34、D 35、B 36、C 37、A 38、C 39、A40、A 41、A 42、B 43、C 44、B 45、C 46、B47、B 48、C 49、B 50、A 51、C 52、A 53、B54、D 55、B 56、C 57、B 58、C 59、B 60、D Ⅱ、1、even后加if2、when—while3、minute—moment4、whenever—wherever5、if—whether6、when—since7、that去掉或改为when 8、though—because 9、since—as10、then—when 11、ago去掉12、but去掉13、any后加other 14、 15、order后加that16、wherever—whenever17、第一个comes—willcome〔宾从时态不限〕18、that—where19、more去掉20、such—so。
状语从句1.引导状语从句的连词时间状语从句when（as、while）（当……时候）、since（自从）、before（在……之前）、after（在……之后）、until（till）（直到……才）、whenever（每当）、once （一旦）、every time（每当）、the day（在……那天）、as soon as（一……就）、hardly（scarcely）……when（一……就）、no sooner……than（一……就）、instantly（immediately、directly）（一……就）、the moment（minute、second、instant）（一……就）地点状语从句where（在……地方）、wherever（在任何地方）、every where（在每个地方）原因状语从句because(as、for)（因为）、since（既然）、when（既然）、now（that）（既然）、in that（因为、既然）条件状语从句if（如果）、unless（除非）、as（so）long as（只要）、providing （provided）（that）（假如）、suppose（supposing）（that）（假如）、in case（如果）、only if（如果）、if only（但愿、如果……就好了）、on condition that（条件是）让步状语从句though（although）（虽然）、even if（even though）（即使）、while（虽然、尽管）、whatever（no matter what）（无论如何）、whenever（no matter when）（无论何时）、wherever（no matter where）（无论哪里）、whoever（no matter who）（无论谁）、however（no matter how）（无论怎样）、for all（that）（尽管）、granting（granted） that（即使）、whether……or（不论……还是）、in spite of （despite）the fact that（不管）结果状语从句so that（so、that）（结果）、so（such）……that（如此……以至于）、but that（but）（要不是）目的状语从句so that（so、that）（为了、以使）、lest（以防）、in case（以防、以免）、for fear that（以防）、in order that（为了）比较状语从句than（比……）、as……as（像……一样）、not so（as）……as （不像……一样）、（not）the same as（（不）同……一样）、not so as（不如）、（not）such……as（（不）如……）方式状语从句as（像……、犹如……）、as if（as though）（好像、仿佛）、the way（……的样子）2、时间状语从句（表示时间的状语从句）①when、whenever、while和aswhen意为“当……时候”，表示某个具体的时间。
状语从句考点用法易错点2021年高考英语语法如果学习英语的目的是为了应付考试，也许你的英语成绩提高很难。
毕竟你的目标不高，收获到的果实自然就少。
下面是小偏整理的状语从句考点用法易错点2021年高考英语语法，感谢您的每一次阅读。
状语从句考点用法易错点2021年高考英语语法一、时间状语从句1、when的用法(1)when既可引导一个持续性动作，也可引导一个短暂性动作，可用于表示主句和从句动作同时发生或从句动作先于主句动作，有时还可表示从句动作后于主句，意为“当。
时候”。
(2)when在beabouttodo。
when。
，bedoing。
when。
，haddone。
when。
，beonone’sway。
when。
，beonthepointofdoing。
when。
等结构中，作“那时突然”讲。
(3)when“既然、鉴于;尽管，虽然(位于主句之后);如果”2、while的用法(1)表示“当。
时候”，引导的动作必须是延续性的。
(2)用作并列连词，表示相对关系“然而”。
(3)引导让步状语从句，相当于although,意为“虽然”，位于主句前。
(4)引导条件状语从句，相当于as/solongas，意为“只要”。
3、as的用法(1)表示“当。
时候”，强调同时发生，不指先后。
(2)说明两种正在发展或变化的情况，表示“随着”，表示时间的推移。
(3)表示“一边。
一边。
”。
(4)强调两个动作紧接着发生。
(5)表示“虽然，尽管”。
(6)其他含义“正如，正像”，“作为”，“由于，因为”。
4、before的用法(1)一般意为“在。
之前”“。
才”，“。
就”“还没有。
”“免得”“不知不觉”“宁可，宁愿”，“否则，要不然”。
(2)It+willbe/was+时间段+before+一般现在时/一般过去时。
在肯定句中，意为“多长时间之后才”;在否定句中，意为“用不了多长时间就”。
5、until和till(1)与肯定句连用，必须是延续性动词。
高考状语从句知识点状语从句是高考英语中的一个重要知识点，掌握好它对于我们在高考中取得好成绩可是相当关键哦！今天咱们就来好好聊聊状语从句。
先来说说啥是状语从句。
简单来讲，状语从句就是用一个句子来充当状语。
那啥是状语呢？就好比咱们跑步的时候，给你加油打气的那些话，告诉你跑快一点、跑慢一点、往这边跑、往那边跑，这些起辅助说明作用的就是状语。
而用一个句子来做这个辅助说明的工作，那就是状语从句啦。
状语从句的种类那可不少，有时间状语从句、地点状语从句、原因状语从句、条件状语从句、目的状语从句、结果状语从句、让步状语从句、比较状语从句和方式状语从句等等。
咱们先来说说时间状语从句。
比如说“When I was a child, I often played in the park” 这里的“When I was a child”就是一个时间状语从句，表示“当我还是个孩子的时候”。
再比如“While I was doing my homework, my mom was cooking dinner” 这里的“While I was doing my homework”表示“当我正在做作业的时候”。
记得我以前教过一个学生，叫小李。
有一次考试，他就因为时间状语从句丢了不少分。
那次考试有一道题是这样的：“＿_____ he came in, I was reading a book” 选项有“When、While、As”。
这小李啊，想都没想就选了“While”，结果就错啦。
后来我给他分析，这题应该选“When”，因为“While”强调的是动作的同时进行，而这里“came in”是一个短暂性动作，“reading a book”是一个持续性动作，所以要用“When”。
从那以后，小李可长记性了，每次遇到时间状语从句的题都会仔细分析。
接下来是地点状语从句。
像“Where there is a will, there is a way” 意思就是“有志者，事竟成”，这里的“Where there is a will”就是地点状语从句，表示“有意志的地方”。
2019年高考英语语法必考考点（12）：状语从句含解析李仕才【考点解读】在复合句中，修饰主句或主句谓语的句子叫作状语从句。
状语从句可位于主句之前，也可位于主句之后。
状语从句可分为时间、地点、原因、结果、条件、方式、让步、比较和目的等九大类。
一、状语从句引导词列表从句类型从属连词时间状语从句as, after, before, once, since, till, until, when, whenever, while, as soon as地点状语从句where, wherever, anywhere, everywhere原因状语从句because, since, as, now (that), seeing that, considering that, in that 结果状语从句that, so that, so/such ...that ...目的状语从句so that, in order that, for fear that, in case, for the purpose that条件状语从句if, unless, as/so long as, on condition that, in case, provided that 比较状语从句than, as ...as, not so/as ...as方式状语从句as, as if/though, how让步状语从句though, although, even if/though, however, whatever, as, while【点睛】(1)上述有些连词除了能引导状语从句外，还可引导定语从句和名词性从句。
在使用的时候，要根据句子结构和句意来判别和区分不同的从句，正确使用引导词。
以where为例，试比较下列多种从句的区别。
You are to find it where you left it. (地点状语从句)Tell me the address where he lives. (定语从句，先行词为the address)I don’t know where he came from. (宾语从句)Where he has gone is not known yet. (主语从句)This place is where they once hid. (表语从句)(2)在两个分句间要有一个且只有一个连词，千万不能按汉语习惯。
高中英语9类状语从句的用法归纳及备考说明状语从句的的备考说明状语从句在复合句中作状语，相当于副词的用法，用来修修动词、形容词或副词。
引导状语从句的关联词叫从属连词。
状语从句的语序与陈述句语序相同。
状语从句可位于复合句的句首或句末，当从句位于句首时，后面常用逗号与主句分开。
根据状语从句的不同作用可分为时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句、让步状语从句、比较状语从句、方式状语从句等九种。
1. 时间状语从句及备考说明引导时间状语从句的从属连词(以下称引导词)很多，为方便记忆，现作以下分类：(1)基本类：包括before, after, when, while, as, since, till, until, once, as soon as 等。
如：Did anyone call when I was out? 我不在家时谁来过电话吗?We have known each other since we were children. 我们从小认识。
You’ll feel better after you take the pills. 吃完药丸后你会感到好一些。
Make sure that all the lights are off before you go to bed. 睡觉前一定要关灯。
Don’t promise him anything till we’ve had time to think about it. 在我们有时间考虑之前别答应他什么。
(2)名词类：即由名词词组充当引导词，包括the moment, the minute, the second, the instant 等(均表示“一……就……”。
如I loved you the instant (that) I saw you. 我一见到你就爱上你了。
Tell me the moment (that) you get the results. 你一拿到结果就给我打电话。
高考英语专题复习状语从句（附答案）I. 考点分析状语从句可用来表示时间、地点、原因、目的、结果、条件、方式、比较和让步等。
1．时间状语从句1) 常见关联词有when, whenever, while, as, before, after 等。
2）注意not…until… 正常结构、倒装结构、强调结构、和until置于句首的用法。
He didn’t go to sleep until he had finished his homework. （正常结构）Not until he had finished his homework did he go to sleep. （倒装结构）It was not until he had finished his homework that he went to sleep.（强调结构）Until he had finished his homework he didn’t go to sleep. （until置于句首）3）表示“一……就……”的连词：once, as soon as, hardly/scarcely…when, no sooner…than, the minute, the moment, the instant, immediately, directly, instantly4）其他表示时间的短语还有：every time, next time, the day 等。
2．地点状语从句通常由where, wherever引导如：Where there is a will, there is a way.3．原因状语从句1) 通常由because, as ,since引导, 三者区别：because 语气最强，重在交待原因，以why引导的疑问句只能because用来回答；其前可用only, just等词强调；可用在It is…that…强调句型中。
高考英语状语从句的9个考点考点1：引导时间状语从句的从属连词when ,as, while, after, before, since, once, until, till, as soon as, every time/ each time, the moment, the minute, immediately, directly, instantly等。
1. be doing…when…,be about to do…when…常表示“正在……突然……”或“正要……这时……”如：I was about to fall asleep when my sister came in.I was walking along the street , when I met him.2. while 引导的从句的谓语动词必须是延续性的，并强调主句和从句的动作同时发生（或者相呼应），此外，while有时还可以表示对比。
如：We are cleaning the classroom while they are playing the football.3.The moment --- 一……就…… =as soon as , immediately,如：---Did you remember to give Mary the money you owed her?---Yes, I gave her the moment I saw her.No sooner than --- 一……就……=hardly… when如：No sooner had he arrived than he went away again.4.since，从句的谓语动词一般是短暂性动词,主句谓语动词则是延续性动词或反复发生的动作。
since引导的从句时态为一般过去时,主句时态为现在完成时或现在完成进行时。
如：She has been working for the company since she left school.她自从毕业一直在这家公司工作。
Note:句型“It is/has been+时间段+since...”意为“自从……到现在多久了”。
It is a long time since I saw you last time.=I have not seen you for a long time.我很久没见过你了。
It has been two years since I was admitted to this key middle school.=I was admitted to this key middle school two years ago.自从我被这所重点中学录取已经两年了。
5.before.常用于表示“还未……就……,不到……就……;……才……;趁……;还没来得及……就……”等含义。
如：We had sailed four days and four nights before we saw land.我们航行了四天四夜才看见陆地。
He rushed out of the room before I could say anything else.我还没来得及说别的他就冲出了房间。
Please write it down before you forget it.趁你现在没忘把它记下来。
Note:句型“It was/will be+时间段+before...”意为“过了/要过多久才……”。
“It was not long before.../ It won’t be long before...”意为“不久就……”。
如：It will be half a year before I come back.要过半年我才能回来。
It was not long before he sensed the danger of the position.没过多久他就感觉到这个位置的危险。
6.every time,each time,next time,the first time 等名词短语用来引导时间状语从句,示“每当,每次,下次,第一次”等。
如：Every time I saw him,I found him to be taller.每次我碰见他,都觉得他长高了。
考点2：引导地点状语从句的从属连词where , wherever,等。
Where --- 在……地方，Wherever --- 无论哪里如：Put the medicine where you can easily get it.Where there is a will, there is a way.He follows her wherever she goes.状语从句在句首时常兼有抽象条件意味。
如：Where there’s a will,there’s a way.有志者,事竟成。
Where(ver) there’s plenty of sun and rain,the fields are green.哪里阳光雨水充足,哪里的田野就绿油油的。
Note:where引导的状语从句和定语从句的区别:where引导地点状语从句直接修饰动词,而在定语从句中where作为关系副词要跟在表示地点的先行词后面。
如:如果你到风俗习惯不同的地方旅游,请入乡随俗。
If you are travelling where the customs are really foreign to your own,please do as the Romans do.(地点状语从句) If you are travelling in places where the customs are really foreign to your own,please do as the Romans do.(定语从句)考点3：引导原因状语从句的从属连词because, since, as, now that, in that, for等。
1.Because --- 因为如：Mr Smith was very upset because he couldn’t find his luggage.2.As --- 因为, 通常放在句首如：As he is honest and modest, all his friends like him.3.Since ---语气较弱, 常译为既然如：Since the purser didn’t tell us what to do, we can relax.4.Now that --- 既然如：Now that you are here, you can join us.5.For ---语气最弱，不放句首，表补充说明如：It must have rained yesterday，for the ground was wet. 考点4：引导让步状语从句的从属连词although, though, even if, even though, as, whether…or, whatever, whoever, however, whenever,no matter what/who/how/whend等1.Although, though ---虽然；although 常放在句首。
though 可以用于倒装。
如：Although it was raining, the plane managed to take off.Child though he was, he did quite well.2.As --- 尽管；as 引导让步状语从句时，句子通常倒装。
可与though 互换。
如：Busy as he is, he never misses a football match.3.Even if /even though ---即使如：Even if you don’t like your boss, you should do your work.4.However --- 不论， however 引导让步状语从句时，句子通常倒装。
如：He couldn’t get there on time however fast he drove.5.No matter (what, when, where, how) ---无论（什么，何时，何地，怎样）如：The old man wouldn’t believe anything no matter what you said.6.While ---尽管如：While I have sympathy for you, I can’t h elp you.7.Whether ---不管，常与or not 连用如：Whether his idea is practical or not, we plans to adopt it.考点5：引导条件状语从句的从属连词if, unless, as long as, so long as, on condition that, suppose, supposing等。
1.If --- 如果如：If you don’t hurry up, you will miss the plane.2.Unless ---除非=if not如：We can’t get there on time unless we book the earliest flight3.As long as --- 只要如：We will succeed as long as we keep on trying.4.In case --- 假使, 如果如：The plane cannot take off in case it rains.5.Provided that 如果,有时省略 that如：The plane will be in good condition provided that it is taken care of carefully.6.On condition that --- 条件是…如：He said that he would come to the meeting on condition that no one asked him to speak.考点6：引导结果状语从句的从属连词so that , so… that…, such…that…等。
1.S o… that --- 太……以至于， so 后面应用形容词或副词如：The flight scheduled so early that nobody wanted to look on it.2. Such …that… ---太……以至于, 用法与so…that相同，但such 后面应用名词。
