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高中英语状语从句讲解与练习高中英语状语从句一、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）则表示“当……时候”，鼓励的动作必须就是延续性的。
（2）用做同列连词，则表示相对关系“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）则表示“当……时候”，特别强调同时出现，不所指先后。
（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“正像，正如”，“做为”，“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）itwillbe/was时间段before通常现在时/通常过去时。
在肯定句中，意为“多长时间之后才”；在否定句中，意为“用没法多长时间就”。
5、until和till（1）与肯定句连用，必须是延续性动词。
（2）与否定句属格，必须不为延续性动词，则表示“直至……才，在……之前不……”。
特别注意：notuntil可以用作特别强调句和倒装句强调句：itis/wasnotuntil…that…倒装句：notuntil放句首时，主句要部分倒装。
初中英语之 --- 状语从句1时间状语从句：在一个句子中作时间状语的句子。
引导词:when（当…时候）while（当…时候）as（当…时候）after（在…以后）before（在…以前｝ as soon as（—…就｝ since（自从…到现在）till /until（直到…才｝by the time（到…为止）构成：引导同+陈述语序句子2原因状语从句：在一个句子中作原因语的句子，译作“因为”。
连接词:由连词because, s ince, as引导,也可由for引导。
举例：Ididn’ t go to school y esterday bee ause I was i II.3条件状语从句连接词:if如果,u nless （=if n ot＞除非。
（主将从现原则）举例：If it doesn ’ t rai n tomorrow,we will go h iking.4目的、结果状语从句目的状语从句是指在一个句子中充当目的状语的句子，译作“以此來.......”。
结果状语从句是指在一个句子中充当结果状语的句子，译作“所以......或者如此... 以致于”。
引导词：so that, s o…that, in order thatHe came early so that he c ould get a g ood seat.The boy is so I ittle that h e can't go t o school alo ne.5让步状语从句让步状语从句是指在句子中作让步的状语的句子连接词:though,although, e ven though,even if 译作“尽管 ...... ”举例：Altho ugh he is ri ch, he is no t happy.状语从句其它引导词1.时间状语从句常用引导词:when, as, while, as soon as, while，before,after, sine e , till,until 特殊引导同：.. ... 就... ：the minute, the moment, the second，eg: The moment she s aw the littl e dog, she f ell in love with it.每次... :every timel didn’t real ize how spec ial my mot he r was until I became anadult.While John was wat ching TV, hi s wife was c ooking.The c hildren ran away from th e orchard （果园）the moment they saw the guard.Ever y time I listen to your advice, I get into trouble.2.地点状语从句常用引导同：where特殊引导同：whereve r无论哪里，anywhere 任何地方，everywhere 每个地方A new scho ol will be b uilt where i t was a shop ping center.Wherever yo u go, you sh ould work hard.状语从句练习单项选择1.John does n't letever ybodyinthe kitchen __________ h e could makehis sur prisedinner fortheparty.A. which B. when C. so that D. as if 2.I wouldt hankit __________ you call back this a fternoon for the doctor5 smeeting.A.until B. if C. when D. that3.Asfar as Iam concerned （就我而言），education is about learning and the more you learn,—____ A. the betterlife will you get B. the betterlife you will ge tC. you will get the bet ter lifeD.will you get the bet ter life4.Af ter the war, a new school wasbuilt _____________ t here had once be en（曾经有）a theatre.A. that B. where C . which D. whe n5.—Is Mr.Smith in the office?—Yes , __________ he is in charg e of the office, he mustbe there.A.since B. how ever C. whether D. for 6.As your good friendJ will do ____________help you.A. that I can to B. what I canto C. all that I can D. what I can7.Someone called me up in the middle ofthe night, b ut they hung up（挂断电话）____________ I coul d answer the phone.A.as B.since C. until D. before8.We must hurry up __________catchup with the last train.A. that B. so that to C. in order that D. in ord er toLondon 9.No m atter ________ h ard it ma y be, I will carry it out .A. what B. whatev er C.how D. however 1 0. _________you may do, you must do itwell.A. Which B.Whenever C. What ever D.WhenM. ________ you are so weak, you’d better sta y at home.A.Since B. For C. B ecause D. Though 1 5.1saw Mr.Smith last S unday. We had not seen each other ____________ I left .A. as B. before C.since D. till 16.1’11 be back before you ________ .A.will leave B will have left C.leave D. would lea vel7.If the weather ____________ tomor row, we will go picnic i n the centra 1 park.A wil 1 be fine Bis fine Cis going to be fine D h ave been fine18. ________________________ They wen t on working it was late at night.A. eve n if B.as if C. however D. as tho ughl9.l hurr ied _____________ I wouldn't b e late for c lass.A. sine e B. sotha t C.as if D . unless20.T he volleybal I match will be put off if it __________ .A. will r ain B. rain s C. r ained D. is raining【实例解析】1.（2004年北京市海淀区中考试题）You will sta y healthy ________ you do more exerci se, such as running and walking.A.ifB. howC. beforeD. where2.（2004年江丙省中考试题）…Shall we go on wor king?Ye s, _________ I prefer to have a rest.A. whenB. ifC. be causeD. th ough3.（2004年徐州市中考试题）N one of us kn ew what had happened ___________ they told us abo ut it.A. w henB. unti IC. afterD. though4.（2004年泉州市中考试题）••-1 ho pe you’ll en joy your tri p, dear!—Thank you,mum. Til gi ve you a cal I ___________ I get there.A. untilB. as soon a sC. sinceD. till【中考演练】一.单项填空1. ______ he z s old, he c an still car ry this heav y bag.A. T houghB. Si neeC. ForD. So2.•■-Do you know if he ______ to play ba sket ball wi th us?---1 think he wi II come if h e _______ fre e tomorrow.A. comes; i sB. comes;will beC.will come;isD. will come; will b e3.In the z oo if a chil d _____ into the water a nd can't swi m, the dolph ins may come up _________ him.A. will fall; to he IpB. fall s; to helpC. will fall; help D . falls; hel ping4.1don z t remember _________ he worked in th at city when he was youn g.A. whatB. which C . where D.who5.We wil I stay at ho me if my aunt __________ to visit us t omorrow.esB. c omeC. will comeD. is coming6.Th e police ask ed the child ren _______ cross the st reet _________ the traffi c lights tur ned green.A. not; befo reB. don't; whenC. n ot to; untilD. not; af ter7.1was late for cla ss yesterday ________ t he re was somet hing wrong w ith my bike.A. when B . that C. u ntil D. bee ause8.I’ll go swimming with you if I _________ f ree tomorrow .A. will b eB. shall beC. am D . was9.In t he exam, the ________ yo u are, _______ the ________ mistakes y ou will make .A. carefu I; littleB. more ca reful; fewes tC. more c areful; fewe rD. more c a ref u I; less10.You shou Id finish yo ur lessons _______ you g o out to pal y.A. beforeB. afterC. whenD.while11.1hurried _____ I wouldn't be late for class.A.sinceB. s o thatC. a s ifD. uni ess12.When you read the book, you'd better make a mark ________ you have any questio ns.A. whi chB. thatC. where D . though13.The teacher raised his v oice ________ a ll the stu dents could hear him.A. forB. s o thatC. b ecauseD. i n order14.H e took off h is coat ________ h e felt hot.A. be causeB. asC. ifD.since15.It is ______ th at we'd like to go out f or a walk.A. a lovely dayB. t oo lovely a dayC. so lovely a dayD. such Io vely a day16 . Mary had _______ m uch w ork to do th at she staye d at her off ice all day.A. suchB.soC. tooD. very17.______ I fel t very tired , I tried to finish the work.A. AlthoughB.BecauseC.AsD. As if18.______ t he day went on, the weat her got wors e.A. WithB. SinceC. WhileD.As19.______ well you c an drive, yo u must drive carefully.A. So long asB.ln order tha tC. No ma tter how D . The momentBeijing20. Write to me as soon as you _________ to.A . will get B. get C. g etting D. g ot二.根据中文意思完成下列英语句子1.不管他跟我开什麽玩笑，我都不生气。
状语从句讲解及练习初中英语状语从句讲解及专项练习状语从句指由句⼦来作状语。
它可以修饰谓语、⾮谓语动词、定语、状语或整个句⼦。
根据其作⽤可分为时间、地点、原因、条件、⽬的、结果、让步、⽅式和⽐较等从句。
状语从句⼀般由“主句+连词+从句”或者“连词+从句，主句”。
⼀、时间状语从句：由when，before，after，as soon as，since，until，not…until引导。
1. Mozart started writing music when he was four years old.当莫扎特4岁的时候，就开始写⾳乐作品。
2. He went home after he finished his homework yesterday.他昨天做完作业之后就回家了。
3. Mr. brown had worked in a bank for a year before he came here.布朗先⽣来这之前在⼀家银⾏⾥⼯作了⼀年。
4. we began to work as soon as we got there.我们⼀到那就开始⼯作。
Mr green has taught in that school since he came to china three years ago.⾃从格林先⽣三年前来到中国就⼀直在这所学校教书。
5. They walked until it was dark.他们⼀直⾛到天⿊。
6. Xia o ming didn’t leave home until his father came back.⼩明直到他爸爸回来才离开家。
⼆、条件状语从句：由连词if, unless (=if not) 引导。
1.I f it doesn’t rain tomorrow, we will go fishing.如果明天不下⾬, 我们就去钓鱼.2.You will get good grades if you study hard.如果你努⼒学习,就会取得好成绩.3.I will go to the party unless he goes there too.我不会去参加聚会的, 除⾮他也去.(如果他不去,我也不去.)4.You will be late unless you leave at once.如果你不马上⾛,你将会迟到的.(=I f you don’t leave at once, you will be late.)(主将从现)：在条件状语从句中, 当主句是将来时的时候,从句要⽤⼀般现在时.三、原因状语从句：由连词because（因为）, since, as（既然，由于）引导1.I didn’t go to school yesterday because i was ill.我昨天没去上学，因为我⽣病了。
⾼考状语从句讲解和练习题定义——在复合句中由从句表⽰的状语称作状语从句，状语从句由从属连词引导，也可以由⼀个起连词作⽤的词组引导，有时甚⾄不需要连词⽽直接和主句连接起来。
类型——时间、地点、原因、结果、条件、⽬的、让步、⽅式、⽐较状语从句。
1.引导词when, while, as, as soon as, once, before, after, every time, each time, since, whenever, ever since, until ,till等。
2.whenever, each time, every time的⽤法。
注：whenever=no matter whenevery time / each time 每次，whenever 每当······时，表⽰习惯性、经常性的动作。
Whenever we met with difficulties, they came to help us.Each time he came to town he would visit our school.Eevery time I went to his house, he was out.注：whenever=no matter whenwhenever既可以引导时间从句也可引导名词性从句，no matter when只可以引导时间状语从句。
It does not matter whenever the party begins.3.before的汉英表达1）before的基本含义是“在·····以前”The train had left before he got to the station.注意：与before对应的是after引导的时间状语从句，表“在·····之后”。
状语从句讲解及习题附答案（一）状语从句概述定义状语从句用作状语，是起副词作用的句子。
位置状语从句可以放在主句之前，也可以放在主句之后，时间、条件、原因和让步状语从句放在句首时需要用逗号和主句隔开。
分类根据其作用可以分为时间、地点、原因、条件、目的、让步、方式和比较等状语从句。
作用它可以修饰谓语、非谓语动词、定语、状语和整个句子。
（二）状语从句详解1. 时间状语从句引导词用法示例when 意为“当…的时候”。
When引导从句的谓语动词可以是延续性动词，也可以是瞬间动词。
并且when有时表示“就在那时”A liar is not believed when he speaks the truth.说谎者讲真话时也没有人相信。
When he arrives, I’ll call you. When you laugh and smile, your body relaxes.while 意为“在…的时候，在…的同时”。
While引导从句的谓语动词必须是延续性的，发生时间较长，并强调主句和从句的动作同时发生（或者相对应）。
While有时还可以表示对比。
While I was standing at the window, I saw several boys running along the street.While John was watching TV, his wife was cooking.as 意为“一边…一边…”。
As引导的动作是延续性的，发生时间较短，一般用于主句和从句动作同时发生；as也可以强调一前一后。
The writer was angry as he was travelling on a train to London because someone had invaded his “space”.He smiled as he stood up.after 意为“在…之后”。
状语从句1.在主从复合句中修饰主句中的动词，形容词，副词等的从句叫状语从句。
可分为，时间状语从句，地点状语从句，原因，目的，结果，条件，让步，比较和方式状语从句。
2.时间状语从句起时间状语作用的句子；可放在句首，句中和句尾常用引导词：when，while, as, after, before, since, till, until, the moment, hardly ⋯when , no sooner ⋯than when, while, as 的用法1)when 用法最广，常可代替while 和as, 在while 引导的从句中，动词只能是延续性的When the fire broke out, all the students were sleeping soundly.The telephone rang while I was taking a bath.2)当两个表示时间延续的动作同时发生而又有对比意味的时候，用while ，在这样的复合句中，主句从句的时态通常是相同的。
Father was preparing a report while I was playing PC games.3)常用as 的情况：一边⋯一边；表示随着短暂动作的发生，另一行为伴随发生As he talked on, he got more and more excited.until 和till 的用法表示“一直到⋯”时，主句和从句都用肯定式；I will wait until/ till the concert is over. 表示“直到⋯才⋯”是，主句用否定，从句用肯定式。
They can't go untilSunday.since 的用法since 引导的从句中，如果是持续性动词，往往理解为某一状态的终止。
He has written to me frequently since he was ill. 自从他病好以来，他常写信给我。
状语从句讲解与练习一、时间状语从句定义：用从句来表达一件事情或一个行为发生的时间(一) before & afterbefore：“在……之前”，主句动作发生在从句动作之前[主前从后]after：“在……之后”，主句动作发生在从句动作之后[主后从前]He called me after he finished his homework.He had learned English for three years before he went to London.(二)as soon as 一……就…… [主将从现]表示从句动作一发生，主句动作马上就发生。
I'll tell her everything as soon as she comes back.As soon as I reached Canada, I rang him up.(三) since 自从(1) 主句【现在完成时】+ since时间状语从句【一般过去时】He has gone abroad since he was 20.(2) It’s + 一段时间+ since时间状语从句【一般过去时】It is 10 years since we became friends.(四) until(1) 用于肯定句中，表示主句的动作一直持续到从句动作发生或状态出现时为止。
一般可译为“直到……为止”。
主句的动词必须是延续性的。
He will stay here until his mother comes back. [主将从现](2) until用于否定句中，表示主句的动作在从句的动作发生之后才开始。
一般可译为“直到……才……”或“直到……之前不要……” 。
主句的动词多为非延续性。
Don”t get off the bus until it has stopped.The little girl didn’t stop crying until she saw her mom.(五) when & while & as(1) 理论基础①三者都可表示“当……时”② while只接持续性动词，when/as持续、短暂都可以接③while 多用于进行时态，when多用于一般时态(2) 一般时while进行；进行when一般时The telephone rang while I was taking a bath.I was reading a newspaper when he came in.(3) 事件对比用while（然而；却）Father was preparing a report while I was playing PC games.He likes coffee while she likes tea.(4) “随着”/“一边…一边”用asThings are getting better and better as time goes on.She sang as she went along.二、原因状语从句because 因为（不与so连用）(1) because &because ofbecause引导原因状语从句because of 是介词短语，后跟n./pron./V-ing，句中作原因状语-- Why didn't he come here?-- He didn’t come here because he was ill.-- He didn’t come here because of his illness.(2) because & for & since & asbecause 语气最强烈；for放句中，用来表示一种附带或补充解释、说明；since & as 通常放句首，作“既然”讲。
所接的原因是已知的事实或显而易见的原因。
As he was in a hurry, he left his bag home.Sinc e she can’t answer this question, it’s better to ask someone else.The day breaks, for the birds are singing.三、目的状语从句so that = in order that 为了……/以便……Bob used the computer to finish the task so that he could save time.(1) 与so as to/in order to的区别so as to[不放句首]/in order to句中作目的状语I got up early this morning in order to catch the earliest underground.(2) so as to/in order to的否定：so as not to/in order not toHe studied even harder in order not to fail the exam.四、结果状语从句(一) so 所以（不与because连用）I like this book very much, so I’m going to buy one.(二) so…that… & such…that…这么……以至于……(1) so…that…修饰adj./adv.，即so…that之间没有n.The TV show is so interesting that many people like watching it.(2) such…that…修饰n.，即such…that之间一定有n.He is such an honest boy that everybody can trust him.(3) 当名词前有many、much、(a) few、(a) little等词修饰时，句子中要用“so...that...”而不能用“such...that...”。
例如：He has so little money that he can’t buy anything.He has so many books that I can’t coun t them.(4) 若little表示“小”时，要用such。
如：He is such a little boy that he can’t lift the box.五、让步状语从句(1) though = although = even though = even if：尽管；虽然（不能与but连用）Although/Though everyone feels tired, they still study deep into the night.(2) though放句尾时，表示转折，意为“可是，不过”It’s hard work;I enjoy it, though.(3) 形近词：as if/as though意为“好像”六、条件状语从句（一）if 如果(1) if从句+ 祈使句：如果……就……从句用一般现在时，主句用动词原形开头。
主句和从句可以调换，注意逗号问题。
If you drive your car, don’t drink alcohol. = Don’t drink alcohol if you drive your car.(2) if条件状语从句与“祈使句+ and/or + 简单句”的转换If you make full use of every minute of your day, you can succeed.= Make full use of every minute of your day, and you can succeed.If you don’t hold your dream, you’ll regret.= Hold your dream, or you’ll regret.(2) if引导的主将从现状语从句：如果……I won’t go out if it rains tomorrow.(3) if引导宾语从句的含义是“是否”：主句一般现在时，从句时态根据需要而定；主句一般过去时，从句用过去时态。
(4) 引导宾语从句时，whether>if；引导状语从句时，只能用if√I’m wondering whether/if my friend will see me off at the airport.×The teacher didn’t know if John had handed in his homework or not. (if→whether) ×You can share it with your friends whether you read a moving story. (whether→if) （二）unless 除非Don’t touch the instruments unless the teacher allows you.You’ll miss the bus unless you hurry up.（三）as long as 只要You may take this book away as long as you return it on time.状语从句练习1. Julie didn’t leave her office ____ the police arrived.A. soB. unlessC. whileD. until2. Aunt Lucy will tell us something about her trip to Australia when she ____ back.A. cameB. comesC. would comeD. will come3. Many students didn’t realize the importance of study ______ they left school.A. afterB. untilC. whileD. when4. -- Long time no see!-- Oh! It ____ five years since we met last time.A. wasB. isC. has beenD. had been5. You should make a good plan ____ you do anything important.A. beforeB. afterC. thoughD. until6. -- Please give this note to John.-- OK. I’ll give it to him as soon as he ____.A. is coming backB. will come backC. comes backD. come back7. -- Have you finished your project?-- Not yet. I’ll finish it if I ______ten more minutes.A. giveB. am givingC. will giveD. will be given8. ____ he arrived, I was writing an email.A. WhenB. WhileC.As soon asD. Since9. While I was waiting for the bus, he ____ a newspaper.A. readB. is readingC. was readingD. will read10. I arrived at the airport ____ the plane had taken off.A. afterB. whileC. whenD. before11. One important aim of our school is to prepare us for the future ____ we can face all the challenges with confidence.A. soB. so thatC. even thoughD. if12. He dressed ____ quickly ____ he put his shoes on the wrong feet.A. so; asB. such; thatC. so; thatD. as; as13. Taxi Apps can help us travel around more easily. ____ more and more people like using them.A. BecauseB. SoC. ThoughD. But14. ____ stop more accidents, we should slow down the driving speed.A. In order thatB. In order toC. Thanks forD. Thanks to15. -- Let’s go to t he community if it______tomorrow.-- But nobody knows if it______tomorrow.A. won’t rain; rainsB. doesn’t rain; rainsC. doesn’t rain; will rainD. won’t rain; will rain16. -- Did you call Sarah back?-- I don’t need to ____ we’ll have a meeting together tonight.A. thoughB. unlessC. becauseD. if17. The little girl saved every coin ____ she could buy her mother a present on Mother’s Day.A. in order toB. so thatC. thatD. because18. He can speak English very well, ____ he has learnt it for only three months.A. soB. althoughC. butD. because19. She has made ____ many friends ____ she enjoys the life there very much.A. so; thatB. such; asC. such; thatD. such a; that20. Xiao Ming is ____ a clever boy ____ he can work out the math problem.A. so; thatB. too; toC. such; thatD. too; that21. We are ______ nice friends ______ we get along just like a family.A. so;thatB. such;thatC. so;asD. enough;that22. It was ____ lovely weather ____ we decided to spend the day on the beach.A. such a; thatB. such; thatC. such; asD. so; that23. -- How do you like the concert giving by F.I.R.?-- Exciting, ____ one piece of the music wasn’t played quite well.A. thoughB. becauseC. soD. and24. -- Look! Some people are running red lights.-- We should wait ____ others are breaking the rule.A. ifB. untilC. althoughD. because25. Even the simplest food will taste delicious ____ it is prepared with love.A. becauseB. soC. thoughD. if26. -- Please give Alice the storybook ____ you see her.-- All right.A. unlessB. sinceC. whileD. if27. -- We can’t be successful ____ we kept working hard.-- I agree with you.A. ifB. unlessC. becauseD. when28. -- What do you think of your Junior Middle School life?-- I think it is colourful, ______ I am always busy.A. ifB. thoughC. whileD. until29. Rick has learned a lot about Chinese culture ______ he came to China.A. beforeB. whenC. untilD. since30. ______ the sun was not yet up, many people were already taking exercise in the square.A. AsB. IfC. ThoughD. Because31. The rivers will become dirtier and dirtier ______ we take action to protect them.A. sinceB. ifC. untilD. unless32. --- Tom isn’t feeling very well.--- He seems to have a cold ______ the weather changes suddenly.A. beforeB. soC. becauseD. Though33. -- What’s your plan for the summer holidays?-- I’ll go to Beijing ______ the school term ends.A. even thoughB. so thatC. as soon asD. since34. My father was preparing for his speech ___ my mother was doing some washing last night.A. ifB. whileC. unlessD. until35. You'd better take the map with you ______ you won't get lost.A. as long asB. as soon asC. now thatD. so that36. Bob promises to join in the football match ____ he has to help his parents on the farm.A. ifB. asC. unlessD. when答案：1-5：DBBCA 6-10：CDACA 11-15：BCBBC 16-20：CBBAC 21-25：BBACA 26-30：DBBDC 31-36：DCCBDC。
