(完整版)初中状语从句讲解和练习附答案
初中状语从句总结与练习(附答案)
.专业 .专注 .状语从句练习易混指引词 while, when, as的差别：1.when 既能够指 "时间点 ",与瞬时动词连用，也能够指 "时间段 "，与持续性动词连用（=while ）。
如：When he came in, his mother was cooking.When (While) we were at school, we went to the library every day.While 表示时间段 ,所以，while从句的谓语动词要用持续性动词。
如：Please don't talk so loud while others are working.As 与 when 用法相像，但侧重重申主句动作与从句动作同时发生，有"跟着 "或"一边一边 " 之意。
如：As you get older, you get more knowledge.跟着年纪的增加，你获取的知识就越多。
2． Because,as,since 的差别：Because 用于表示直接原由 ,回答 why 提出的问题，语气最强； As 用于说明原由 , 着要点在主句，常译成 "因为 "； since 表示明显的或已知的原由或事实，常译成"既然"。
如：Water is very important because we can't live without it.He didn't come yesterday as his mother was ill.I'll do it for you since you are busy.3． such that, so that, so引that导结果状语从句的差别：such 是形容词，修饰名词 ; so 是副词，修饰形容词或副词。
(完整版)初中英语状语从句归纳附练习及答案(可编辑修改word版)
状语从句指句子用作状语时，起副词作用的句子。
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。
状语从句一般由连词(从属连词)引导，也可以由词组引起。
从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。
一、时间状语从句要点: 时间状语从句，由以下连词引导：when while as after before as soon as since till /until by the time 在时间状语从句中，要注意时态一致。
一般情况下主句是将来时的时候，从句要用一般现在时。
1.w hen 当。
的时候Mozart started writing music when he was four years old.(当)莫扎特的时候，开始写音乐作品。
2.w hile 当。
时He visited a lot of places while he was traveling. 他在旅途中参观了许多地方。
3.a s 在。
的同时；一边。
一边。
He smiled as he stood up. 他一边站起来一边笑着。
4.a fter 在。
之后He left the classroom after he had finished his homework the other day.前几天做完作业之后回的家。
5.b efore 在。
之前Mr. Brown had worked in a bank for a year before he came here.布朗先生来这之前已经在一家银行里工作一年了。
6.a s soon as 一。
就。
We began to work as soon as we got there. 我们一到那就开始工作。
I will write to you as soon as I get home. 我一到家就给你写信。
初中状语从句总结及练习（附答案）（可编辑修改word版）
初中状语从句总结及练习（附答案）（可编辑修改word版）状语从句练习易混引导词while, when, as 的区别：1.when 既可以指"时间点",与瞬间动词连用，也可以指"时间段"，与延续性动词连用（=while）。
如：When he came in, his mother was cooking.When (While) we were at school, we went to the library every day.While 表示时间段,因此，while 从句的谓语动词要用延续性动词。
如：Please don't talk so loud while others are working.As 与when 用法相似，但着重强调主句动作与从句动作同时发生，有"随着……"或"一边……一边……"之意。
如：As you get older, you get more knowledge.随着年龄的增长，你获得的知识就越多。
2．Because,as,since 的区别：Because 用于表示直接原因,回答why 提出的问题，语气最强；As 用于说明原因, 着重点在主句，常译成"由于"；since 表示显然的或已知的理由或事实，常译成"既然"。
如：Water is very important because we can't live without it.He didn't come yesterday as his mother was ill.I'll do it for you since you are busy.3．such…that, so…that, so that 引导结果状语从句的区别：such 是形容词，修饰名词; so 是副词，修饰形容词或副词。
初中英语状语从句归纳附练习及答案
初中英语状语从句归纳附练习及答案状语从句是指在句子中充当状语的从句。
它可以修饰动词、形容词、副词等，表示时间、条件、原因、方式等不同的状况。
掌握状语从句的用法对于理解和运用英语句子结构非常重要。
本文将对初中英语中常见的状语从句进行归纳，并提供相应的练习题及答案供大家学习参考。
一、时间状语从句时间状语从句常用when，while，as，before，after，since，until等引导。
表示主句动作发生的时间。
例句1:I will call you when I arrive at the airport.当我到达机场时，我会给你打电话。
例句2:She likes to listen to music while she is doing her homework.她喜欢一边做作业一边听音乐。
练习题：1. He will go to bed _______ he finishes his homework.2. Don't play with fire _______ your parents are not at home.3. You can visit the museum _______ you have free time.1. after2. while3. whenever二、条件状语从句条件状语从句通常使用if或unless引导。
表示条件或假设的情况。
例句1:If it rains tomorrow, we will stay at home.如果明天下雨，我们就待在家里。
例句2:You will pass the exam unless you work hard.除非你努力学习，否则你将无法通过考试。
练习题：1. I will buy a new car _______ I save enough money.2. _______ you study hard, you will fail the exam.3. She won't go shopping with you _______ it stops raining.答案：1. if3. until三、原因状语从句原因状语从句常用because，since，as等引导。
初中英语语法状语从句讲解及练习附答案
初中英语语法专题讲座——状语从句状语从句在复合句中作状语，修饰动词、形容词或副词等。
状语从句可以表示时间、条件、原因、地点、目的、结果、让步、方式、比较等意义。
知识梳理：提纲挈领，抓住重点和难点！? 各类状语从句连接词（短语）一览表：时间?when, while, as, as soon as, since, until, after, before，as long as（长达……之久）条件?If, unless,as/so long as(只要)原因?As, because, since，as/so long as(既然,因为)地点?Where目的?So that(为了), in order that结果?So that（方便）, so…that, such…that让步?though, although, even if, however方式?As比较than, (not)as…as,时间状语从句：Whenever he comes, he brings a friend. 他每次来都带个朋友。
They all continued their regard for me as long as they lived. 他们毕生都在关心着我.条件状语从句：As long as I am alive, I will go on studying. 只要我活着，我就要学习。
原因状语从句：Since we live near the sea, we enjoy nice weather.由于我们住在海边，能享受到好的天气。
地点状语从句：Put it where we can all see it.把它放在我们都能看到的位置。
目的状语从句：Finish this so that you can start another.把这个做完，（为了）你可以开始另一个。
结果状语从句：He was so angry that he couldn't say a word. 他气得说不出话了。
初中英语语法状语从句讲解和练习附答案解析
初中英语语法专题讲座——状语从句状语从句在复合句中作状语,修饰动词、形容词或副词等。
状语从句可以表示时间、条件、原因、地点、目的、结果、让步、方式、比较等意义。
知识梳理:提纲挈领,抓住重点和难点!各类状语从句连接词（短语）一览表:时间ｗhｅn，wｈile，aｓ，aｓsｏon ａs,since，ｕntil，after，ｂeｆorｅ,a ｓlｏngａs（长达……之久)条件 If，ｕnlｅss，ａs/ｓo ｌoｎg ａs(只要)原因 As，ｂecａuse, siｎce，aｓ/ｓo loｎg aｓ(既然，因为)地点 Where目的Ｓo that(为了)，ｉn ｏrder tｈat结果 So ｔhat(方便）, so…ｔhａt,such…that让步 though, althｏｕgh, evenｉｆ，hｏｗevｅr方式Ａs比较 than,(nｏt)as…as，时间状语从句:Whｅnever he comｅs，hｅbrings a ｆｒiend。
他每次来都带个朋友。
Tｈｅy alｌcｏntinｕedｔｈeir regaｒｄfor ｍe as lｏng as they lｉｖed．他们毕生都在关心着我。
条件状语从句：Ａｓlong as I aｍaliｖｅ, I will goｏn stuｄyｉnｇ.只要我活着，我就要学习。
原因状语从句:Sinｃe we ｌive nｅaｒthe sea，we eｎjoy ｎｉce ｗeａther.由于我们住在海边，能享受到好的天气.地点状语从句：Put it wheｒe we can all see it.把它放在我们都能看到的位置。
目的状语从句:Fiｎish thｉs sｏｔhat you caｎstarｔaｎotheｒ。
把这个做完，(为了)你可以开始另一个。
结果状语从句：Hｅｗas sｏａngry thaｔｈe ｃoｕlｄn’t say ａwoｒd。
他气得说不出话了。
让步状语从句:Though heｉs in poor ｈealtｈ,ｈe worｋs hard。
(完整版)初中结果状语从句讲解与练习(包含中考题以及答案)
结果状语从句，结果状语从句的用法：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。
由so that（从句谓语一般没有情态动词），so …… that，such …… that 等引导。
结果状语从句表示结果，通常位于主句之后。
1.so that 可以引导目的状语从句，也可以引导结果状语从句。
①He worried so that he couldn’t sleep.他急得睡不着。
(so that 引导结果状语从句)②It was very cold, so that the river froze.天气寒冷，河水都结冰了。
(so that 引导结果状语从句)③I came to the class early so that I could see the classmate beside me.我赶早来上课，以便早点看到我旁边的同学。
(so that 引导目的状语从句)1.She sat behind me so that I couldn’t see her.2.His anger was such that he lost control of himself.3.The problem was so difficult that I couldn’t solve it.4.He is so young that he can’t join the army.5. It was such an exciting film that we couldn’t forget it.2. 表示“如此……以致……”的“so... that...”和“such... that...”均可引导结果状语从句，其中的such 是形容词，修饰名词；so 是副词，修饰形容词或副词，具体的搭配形式是：①so＋adj./adv.＋that②so＋adj.(＋a/an)＋n.＋that；③such(＋a/an)(＋adj.)＋n.＋that。
(完整版)初中状语从句讲解和练习附答案
状语从句详解及练习题附答案1时间状语从句：在一个句子中作时间状语的句子。
时间状语的连接词：when(当…时候)while(当…时候)as(当…时候)after(在…以后)before(在…以前) as soon as(一…就) since(自从…到现在) till /until(直到…才) by the time(到…为止)依旧是连接词后加陈述语序。
举例：when当…的时候(大凡情况下主句是将来时的时候，从句要用大凡现在时。
)Mozart started writing music when he was four years old.2原因状语从句：在一个句子中作原因语的句子。
连接词：由连词because, since, as引导,也可由for, now that等词引导。
举例：I didn’t go to school yesterday because I was ill.3条件状语从句连接词：if如果, unless (=if not)除非。
(让步)举例：If it doesn’t rain tomorrow, we will go hiking.4目的、结果状语从句目的状语从句是指在一个句子中充任目的状语的句子。
结果状语从句是指在一个句子中充任结果状语的句子目的状语从句连接词so that, so…that , in order that引导。
结果状语从句连接词so…that, such…that, so much/many…that引导。
举例：so…that如此…以至于The scientist’s report w as so instructive that we were all very excited.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.，whether…or not举例：Although he is rich, yet he is not happy.状语从句分类1．时间状语从句常用引导词：when, as, while, as soon as, while, before, after, since , till, until分外引导词：theminute,themoment,thesecond,everytime,theday，theinstant,immediately,directly, no sooner … than, hardly …when, scarcely … whenI didn’t realize how special my mother was until I became an adult.While John was watching TV, his wife was cooking.The children ran away from the orchard(果园) the moment they saw the guard.No sooner had I arrived home than it began to rain.Every time I listen to your advice, I get into trouble.2．地点状语从句常用引导词：where分外引导词：wherever, anywhere, everywhereGenerally, air will be heavily polluted where there are factories.Wherever you go, you should work hard.3．原因状语从句常用引导词：because, since, as, since分外引导词：seeing that, now that, in that, considering that, given that, considering that,My friends dislike me because I’m handsome a nd successful.Now that everybody has come, let’s begin our conference.The higher income tax is harmful in that it may discourage people from trying to earn more.Considering that he is no more than 12 years old, his height of 1.80 m is quite remarkable.4．目的状语从句常用引导词：so that, in order that分外引导词：lest, in case, for fear that，in the hope that, for the purpose that, to the end thatThe boss asked the secretary to hurry up with the letters so that he could sign them.The teacher raised his voice on purpose that the students in the back could hear more clearly.5．结果状语从句常用引导词：so … that, so… that, such … that,分外引导词：such that, to the degree that, to the extent that, to such a degree that,He got up so early that he caught the first bus.It’s such a good chance that we must not miss it.To such an degree was he excited that he couldn’t sleep last night.6．条件状语从句常用引导词：if, unless,分外引导词：as/so long as, only if, providing/provided that, suppose that,in case that, on condition thatWe’ll start our project if the president agrees.You will certainly succeed so long as you keep on trying.Provided that there is no opposition, we shall hold the meeting here.7．让步状语从句常用引导词：though, although, even if, even though分外引导词：as(用在让步状语从句中必须要倒装)，while (大凡用在句首)，no matter …，spite of the fact that, while, whatever, whoever, wherever, whenever, however, whicheverMuch as I respect him, I can’t agree to his proposal.尽管我很尊敬他，我却不同意他的建议。
初中英语状语从句解题技巧分析及练习题(含答案)及解析
初中英语状语从句解题技巧分析及练习题(含答案)及解析一、初中英语状语从句1．You'd better take the map with you you won't get lost．A．so that B．as soon as C．now that D．as long as【答案】A【解析】【详解】句意：你最好带上地图,这样你就不会迷路。
考查连词短语辨析。
A. 以便于，表目的；B. 一……就，表条件；C. 既然，表原因；D. 只要，表条件。
根据题干可知你最好带上地图的目的是为了不会迷路，本句是so that引导的目的状语从句，故选A。
2．Many people do not realize the importance of health ______ they have fallen ill.A．until B．while C．when D．after【答案】A【解析】试题分析：句意：一些人直到失去了健康才意识到它的重要性。
本题考查的是not…until 句型，“直到……才”。
For为了；but 但是；as 作为。
故选A。
考点：考查连词的用法。
3．________ there is danger on the internet, online insurance is still popular among the young. A．Unless B．Though C．Since D．Until【答案】B【解析】【详解】句意：虽然网上存在危险，但网上保险在年轻人中仍然很流行。
考查连词辨析。
A. Unless 除非，如果不，引导条件状语从句；B. Though尽管，虽然，引导让步状语从句；C. Since 自….以来，既然，由于，引导时间状语从句和原因状语从句；D. Until：到…为止，在…以前，直到，引导时间状语从句。
根据句意可知前后句句意是转折关系，前句是让步关系，可知填Though；选B。
(完整)初中状语从句讲解及习题附答案
（一）状语从句概括定义状语从句用作状语，是起副词作用的句子。
地点状语从句能够放在主句以前，也能够放在主句以后，时间、条件、原由和退步状语从句放在句首时需要用逗号和主句分开。
分类依据其作用能够分为时间、地址、原由、条件、目的、退步、方式和比较等状语从句。
作用它能够修饰谓语、非谓语动词、定语、状语和整个句子。
（二）状从句解1.状从句引用法when意“当⋯的候”。
When引从句的能够是延性，也能够是瞬。
而且when 有表示“就在那”while意“在⋯的候，在⋯ 的同”。
While 引从句的必是延性的，生，并主句和从句的作同生（或许相）。
While有能够表示比。
示例A liar is not believed when he speaks the truth.者真也没有人相信。
When he arrives , I’ll call you. When you laugh and smile, your body relaxes.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“一⋯一⋯”。
As 引的作是延性的，生短，一般用于主句和从句作同生； as 也能够一前一后。
after意“在⋯以后”。
表示主句作生在从句作以后。
主句与从句的作关系与before 引的从句相反。
before意“在⋯以前”。
引的从句不用否认形式的，而且当 before 引的从句位于主句以后，有成“就，才”。
当主句用未来，从句是用在；假如 before 引的从句用的是去，主句多用去达成，以便体作的先后。
till意“直到”。
一般状况下能够和 until 互。
假如主句中的是瞬，必用否认形式；假如主句中的是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.With many hungry visitors waiting, don’t stay too long at your table after you have finished.If an early exit is necessary, you can leave after a scene is over.You can’twatch TV beforeyou finish your homework. Before it ended, the theatre was almost empty.My father had left for Canada just before the letter arrived.She didn’t even know that it was an earthquake till she saw a shaking ( moving from side to side) light.The fireman worked very hard延性，用一定和否认形式都能够，但表达的意思不一样。
初中状语从句讲解及习题附答案
*作品编号：DG13485201600078972981* 创作者：玫霸*（一）状语从句概述（二）状语从句详解1. 时间状语从句2.地点状语从句3.条件状语从句4.原因状语从句5.目的状语从句6.结果状语从句7.让步状语从句8. 比较状语从句9.方式状语从句练习一一. 单项填空1. _______ he’s old, he can still carry this heavy bag.A. ThoughB. SinceC. ForD. So2. ---Do you know if he _______ to play basketball with us?---I think he will come if he ______ free tomorrow.A. comes; isB. comes; will beC. will come; isD. will come; will be3. In the zoo if a child _____ into the water and can’t swim, the dolphins may come up ______ him.A. will fall; to helpB. falls; to helpC. will fall; helpD. falls; helping4. I don’t remember ________ he worked in that city when he was young.A. whatB. whichC. whereD. who5. We will stay at home if my aunt ________ to visit us tomorrow.A. comesB. comeC. will comeD. is coming作品编号：DG13485201600078972981创作者：玫霸*6. The police asked the children _______ cross the street ________ thetraffic lights turned green.A. not; beforeB. don’t; whenC. not to; untilD. not; after7. I was late for class yesterday _______ there was something wrong withmy bike.A. whenB. thatC. untilD. because8. I’ll go swimming with you if I ________ free tomorrow.A. will beB. shall beC. amD. was9. In the exam, the ________ you are, ______ the _______ mistakes youwill make.A. careful; littleB. more careful; fewestC. more careful; fewerD. more careful; less10. You should finish your lessons _______ you go out to play.A. beforeB. afterC. whenD. while11. I hurried _____ I wouldn’t be late for class.A. sinceB. so thatC. as ifD. unless12. When you read the book, you’d better make a mark _______ youhave any questions.A. whichB. thatC. whereD. though13. The teacher raised his voice _______ all the students could hear him.A. forB. so thatC. becauseD. in order14. He took off his coat _______ he felt hot.A. becauseB. asC. ifD. since15. It is ______ that we’d like to go out for a walk.A. a lovely dayB. too lovely a dayC. so lovely a dayD.such lovely a day16. Mary had ______ much work to do that she stayed at her office allday.A. suchB. soC. tooD. very17. _______ I felt very tired, I tried to finish the work.A. AlthoughB. BecauseC. AsD. As if18. ______ the day went on, the weather got worse.A. WithB. SinceC. WhileD. As19. ______ well you can drive, you must drive carefully.A. So long asB. In order thatC. No matter howD. The moment20. Write to me as soon as you ________ to Beijing.A. will getB. getC. gettingD. got二. 根据中文意思完成下列英语句子1. 不管他跟我开什么玩笑，我都不生气。
(完整版)初中英语状语从句讲解、练习与答案
状语从句状语从句用来修饰主句中的动词，副词和形容词的从句叫状语从句.根据其含义状语从句可分为时间状语从句,地点状语从句，条件状语从句，原因状语从句，结果状语从句，比较状语从句，目的状语从句,让步状语从句。
1. 时间状语从句（1）时间状语从句常用when, as, while, before， after, since, till, until， as soon as等连词来引导。
例如：It was raining hard（rain hard 下大雨） when got to school yesterday.While he was doing his homework, the telephone rang。
As he walked along(沿着走) the lake， he sang happily。
He had learned a little Chinese before he came to China.After he finished middle school， he went to work in a factory.(2）在时间状语从句里，通常不用将来时态，用现在时态表示将来的动作或状态.例如：I’ll ring you up as soon as I get to New York.I will tell him everything when he comes back。
He won't believe it until he sees it with his own eyes。
(3)在带有till或until引导的时间状语从句的主从复合句里，如果主句用肯定式，其含义是“一直到……时”，谓语动词只能用延续性动词。
如果主句用否定式，其含义是“直到……才……”, “在……以前不……”，谓语动词可用瞬间动词。
例如:The young man read till the light went out（熄灭）。
(完整版)初中条件状语从句精讲和练习含答案
初中英语：条件状语从句一. 条件状语从句的概念条件状语从句，即在某种条件下，一件事情可能发生。
在英语中由连接词if或unless等引导的状语从句叫做条件状语从句。
条件是指某一件事情实现之后（状语从句中），一件事情（主句）才能发生，通常译作假如，只要，如果”等意思。
条件状语从句中，主从句的时态要遵循生将从现”的原则。
即，主句是将来时态时，从句用一般现在时代替将来时态。
二. 条件状语从句的引导词1.If conj .如果，假如If you ask him , he will help you . 如果你请他帮忙，他会帮你的。
If you fail in the exam , you will let him down . 如果你考试不及格，你会让他失望的。
2. ............................................................ unless conj.除非，若不，除非在的时候（if...not...）You will fail to arrive there in time unless you start earlier. 如果你不早点动身，你就不能及时赶到那儿。
Unless it rains, the game will be played. 除非下雨，比赛将照常进行。
3. so/as long as conj. 只要You may borrow my book as long as you keep it clean.只要你保持书的清洁，你就可以把我的书借去。
三. 关丁条件句的时态，常见的有以下三种情况：1、条件状语从句的主句是一般将来时，那么从句常常用一般现在时。
When I grow up, I ' ll be a nurse and look after patients.我长大后要当一名护士，照顾病人。
2、如果主句是祈使句，那么从句通常要用一般现在时。
初中状语从句全面讲解练习题及标准答案
初中状语从句全面讲解练习题及标准答案1、基本含义状语修饰动词、形容词、副词或整个句子。
通常由副词、介词短语、动词不定式、分词和从句等担当。
请用下划线划出下列句子中的状语，并说明是什么在做状语：He speaks English very well、 He is playing under the tree、 I come specially to see you、The boy was praised for his bravery、When she was12 years old, she began to live in Dalian、If I am not busy tomorrow, I will play football with you、什么是状语从句？用来修饰主句中的动词，副词和形容词的从句叫状语从句。
根据其含义状语从句可分为时间状语从句，地点状语从句，条件状语从句，原因状语从句，结果状语从句，比较状语从句，目的状语从句，让步状语从句。
例句：Iwill call you as soon as I arrive in Beijing、If he comes back, please let me know、I know how to light a camp fire because I had done it before、2、用法归纳1、时间状语从句(1)时间状语从句常用when, as, while, before, after, since, till, until, as soon as等连词来引导。
例如：It was raining hard when we got to school yesterday、While he was doing his homework, the telephone rang、As he walked along the lake, he sang happily、He had learned a little Chinese before he came to China、After he finished middle school, he went to work in a factory、(2)在时间状语从句里，通常不用将来时态，用现在时态表示将来的动作或状态。
初中结果状语从句讲解与练习(包含中考题以及答案)
结果状语从句，结果状语从句的用法: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。
由so that（从句谓语一般没有情态动词），so …… that，such …… that等引导。
结果状语从句表示结果，通常位于主句之后。
1.so that可以引导目的状语从句，也可以引导结果状语从句。
①He worried so that he couldn’t sleep。
他急得睡不着。
(so that引导结果状语从句)②It was very cold, so that the river froze.天气寒冷，河水都结冰了.(so that引导结果状语从句）③I came to the class early so that I could see the classmate beside me.我赶早来上课，以便早点看到我旁边的同学.(so that引导目的状语从句)1。
She sat behind me so that I couldn't see her。
2. His anger was such that he lost control of himself.3. The problem was so difficult that I couldn't solve it.4.He is so young that he can’t join the army.5. It was such an exciting film that we couldn’t forget it。
2. 表示“如此……以致……”的“so.。
that...”和“such。
.。
that..。
”均可引导结果状语从句，其中的such 是形容词，修饰名词；so 是副词，修饰形容词或副词，具体的搭配形式是：①so＋adj./adv.＋that②so＋adj.（＋a/an)＋n.＋that；③such（＋a/an)(＋adj。
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状语从句详解及练习题附答案1 时间状语从句：在一个句子中作时间状语的句子。
时间状语的连接词：when(当…时候) while(当…时候) as(当…时候) after(在…以后) before(在…以前) as soon as(一…就) since(自从…到现在) till /until(直到…才) by the time(到…为止)依旧是连接词后加陈述语序。
举例：when当…的时候(一般情况下主句是将来时的时候，从句要用一般现在时。
) Mozart started writing music when he was four years old.2 原因状语从句：在一个句子中作原因语的句子。
连接词：由连词because, since, as引导, 也可由for, now that 等词引导。
举例：I didn’t go to school yesterday because I was ill.3 条件状语从句连接词：if如果, unless (=if not) 除非。
(让步)举例：If it doesn’t rain tomorrow, we will go hiking.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。
结果状语从句是指在一个句子中充当结果状语的句子目的状语从句连接词so that, so…that , in order that 引导。
结果状语从句连接词so…that, such…that, so much/many…that引导。
举例：so…that 如此…以至于The scientist’s report was so instructive that we were all very excited.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.，whether…or not举例：Although he is rich, yet he is not happy.状语从句分类1．时间状语从句常用引导词：when, as, while, as soon as, while, before, after, since , till, until特殊引导词：the minute, the moment, the second, every time, the day，the instant, immediately , directly, no sooner … than, hardly …when, scarcely … whenI didn’t realize how special my mother was until I became an adult.While John was watching TV, his wife was cooking.The children ran away from the orchard(果园) the moment they saw the guard.No sooner had I arrived home than it began to rain.Every time I listen to your advice, I get into trouble.2．地点状语从句常用引导词：where特殊引导词：wherever, anywhere, everywhereGenerally, air will be heavily polluted where there are factories.Wherever you go, you should work hard.3．原因状语从句常用引导词：because, since, as, since特殊引导词：seeing that, now that, in that, considering that, given that, considering that,My friends dislike me because I’m handsome and successful.No w that everybody has come, let’s begin our conference.The higher income tax is harmful in that it may discourage people from trying to earn more. Considering that he is no more than 12 years old, his height of 1.80 m is quite remarkable.4．目的状语从句常用引导词：so that, in order that特殊引导词：lest, in case, for fear that，in the hope that, for the purpose that, to the end thatThe boss asked the secretary to hurry up with the letters so that he could sign them.The teacher raised his voice on purpose that the students in the back could hear more clearly.5．结果状语从句常用引导词：so … that, so… that, such … that,特殊引导词：such that, to the degree that, to the extent that, to such a degree that,He got up so early that he caught the first bus.It’s such a good chance that we must no t miss it.To such an degree was he excited that he couldn’t sleep last night.6．条件状语从句常用引导词：if, unless,特殊引导词：as/so long as, only if, providing/provided that, suppose that,in case that, on condition thatWe’ll start our project if the president agree s.You will certainly succeed so long as you keep on trying.Provided that there is no opposition, we shall hold the meeting here.7．让步状语从句常用引导词：though, although, even if, even though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)，no matter (i)spite of the fact that, while, whatever, whoever, wherever, whenever, however, whicheverMuch as I respect him, I can’t agree to his proposal.尽管我很尊敬他，我却不同意他的建议。
状语从句练习单项选择1. John shut everybody out of the kitchen ______he could prepare his grand surprise for the party.A. whichB. whenC. so thatD. as if2. I would appreciate it ________you call back this afternoon for the doctor’s appointment.A. untilB. ifC. whenD. that3. As far as I am concerned，education is about learning and the more you learn，________.A. the more for life are you equippedB. the more equipped for life you areC. the more life you are equipped forD. you are equipped the more for life4.After the war，a new school building was put up ________there had once been a theatre.A. thatB. whereC. whichD. when5. —Is Mr. Smith in the office?—Yes，________ he is in charge of the office，he must be there.A. sinceB. howeverC. whetherD. for6. As your good friend, I will do ________help you.A. that I can toB. what I can toC. all that I canD. what I can7.John may phone tonight. I don’t want to go out ________he phones.A. as long asB. in order toC. in caseD. so that8.Someone called me up in the middle of the night，but they hung up ________I could answer the phone.A. asB. sinceC. untilD. before9. —Don’t look down upon Bob. He has his own advantages.—Oh, yes. ________others are weak, he is strong.A. IfB. WhenC. WhereD. Though10.It is ten years ________he smoked.A. thatB. whenC. sinceD. while11.We must hurry up ________catch up with the last train.A. thatB. so that toC. in order thatD. in order to12.No matter ________hard it may be，I will carry it out.A. whatB. whateverC. howD. however13.________ you may do，you must do it well.A. WhichB. WheneverC. WhateverD. When14. —Are you thinking about going to New York for the holiday?—No. But if I ________the time，I would definitely go.A. haveB. hadC. have hadD. would have15.________ you are so weak，you’d better stay at home.A. SinceB. ForC. BecauseD. Though16. English and French are taught here. You can choose ________you like.A. no matter whichB. whicheverC. whichD. whatever17.I saw Mr. Smith last Sunday. We had not seen each other ________I left London.A. asB. beforeC. sinceD. till18.I’ll be back before you ________.A. will leaveB. will have leftC. leaveD. would leave19.The problem won’t be settled until we ________a chance to discuss it thoroughly.A. have hadB. will haveC. will have hadD. would have20.If you ________this experiment，you will understand the theory better.A. will be doingB. have doneC. will have doneD. would do21.They went on working ________it was late at night.A. even ifB. as ifC. howeverD. as though22.I hurried ________I wouldn’t be late for class.A. sinceB. so thatC. as ifD. unless23.The volleyball match will be put off if it ________.A. will rainB. rainsC. rainedD. is raining24.________ you talk to someone or write a message，you show your skills to others.A. At timesB. Some timeC. By the timeD. Every time25.Although he is considered a great writer，________.A. however his works are not widely readB. but his works are not widely readC. his works are not widely readD. still his works are not widely read26.The new secretary is supposed to report to the manager as soon as she ________.A. will arriveB. is going to arriveC. arrivesD. is arriving27.We should finish the important job，________.A. long it takes howeverB. it takes however longC. long however it takesD. however long it takes28.________he made an important speech at the meeting was true.A. ThatB. WhyC. WhatD. How29.________comes to the party will receive a gift.A. WhichB. WhoC. Which oneD. Whoever30.She is willing to help you, ________busy she is.A. whatB. howC. howeverD. whatever31.I don’t care whether he stays ________goes.A. norB. thenC. orD. otherwise32.No matter ________hard it may be，I’ll carry it out.A. whatB. whateverC. howD. however33.Why do you want to find a new job ________you’ve got such a good one already?A. thatB. whereC. whichD. when34.________he is, he will be thinking of you.A. WhereverB. WhereC. Now thatD. As soon as35.You should make it a rule to leave things ________you can find them again.A. whenB. whereC. thenD. there36.He got excited at the news，________ I was calm.A. whenB. whileC. becauseD. after37.—Shall Brown come and play computer games?—No，________ he has finished his homework.A. whenB. ifC. unlessD. once38.________ you try，you will never succeed.A. IfB. UntilC. SinceD. Unless39.Hardly had he arrived in Hongkong ________she rang me up.A. whenB. thanC. thatD. and40.________ they heard the shout for help，they rushed out.A. ImmediatelyB. The momentC. The whileD. All the above41.________，he never seems able to do the work beautifully.A. Try as he doesB. as he triesC. Try as does heD. As he does try42.—The air is full of smoke and people are coughing.—It will get worse ________the government does something about the pollution.A. butB. unlessC. exceptD. if43.If ________，I would have gone with him.A. had he told meB. he had told meC. he has told meD. he would tell me44.—Alice is moving to her new apartment next Saturday.—I’ll be glad to help her，________ need some help.A. should sheB. if she willC. if sheD. if she might45.I came ________I heard the news.A. untilB. as soon asC. immediatelyD.B and C46.What we have seen________.A. from what we heardB. all what we heardC. to what we have heardD. from what we have heard47.We will never give in ________they might do or say about our plan.A. no matter howB. howC. whateverD. although48.If you go to Xi’an，you will find the places there more magnificent than commonly ________.A. supposingB. supposedC. to supposeD. suppose49.________ he comes，we would not be able to go.A. WithoutB. UnlessC. ExceptD. Even50.It’s no wonder you’ve got a headache ________you drank so much last night.参考答案：1~5 CBBBA 6~10 BCDCC11~15 DCCBA 16~20 BCCAB21~25 ABBDC 26~30 CDADC31~35 CCDAB ; 36~40 BCDAD41~45 ABBAD 46~50 DCBBC。