初中英语状语从句讲解、练习与答案教案
初中时间状语从句语法及练习教案资
英语时间状语从句讲解与练习（一）when, while 和as 引导时间状语从句的用法一、when 的用法如果只从现象来看，when 从句用的最多的是大凡过去时，而主句的时态没有限制,根据具体情况而定。
1. When he was a child he was always trying out new ideas.他小时候就常常试验一些新的设想。
2. When she came into my room, I was just reading a book.她走进我房间时，我正在看书。
根据以上的例句，我们可以总结出一点：when 从句的A事件，相当于另一个事件B发生的时间点。
也就是说，when 从句的重点不在动作本身发生的状态，而只是把它作为一个时间点，所以when 多数情况下用的是大凡过去时，则不用正在进行时。
因为如果用正在进行时，它表示的就是一段时间而不是一个时间点了。
根据这一点，有的文章补充说：when 从句的动词大多是瞬时动词。
这种说法也可以参照。
实际上，when 从句也可以有其它的时态，但几乎也不用进行时，因为它也只是作为一个时间参照点。
例如：1. When I got to the airport, the guests had left.当我赶到飞机场时，客人们已经离开了。
2. When he had finished his homework, he took a short rest.当他完成作业后，他休息了一会儿。
3. Why do you want a new job when you have got such a good one already?你已经找到如此好的工作，为何还想再找新的？二、while 的用法相比于when 来说，while 从句的侧重点就不一样了。
while 从句的侧重点在于描述动作正在发生的状态，它的意思是：当while 事件正在发生的时候，另一件事如何如何。
初中英语状语从句教案及练习讲解
初中英语状语从句教案及精品练习讲解第一章：状语从句概述1.1 定义：状语从句是句子中起修饰作用的部分，用来修饰动词、形容词、副词或整个句子。
1.2 分类：状语从句可分为时间状语从句、地点状语从句、原因状语从句、条件状语从句、方式状语从句等。
第二章：时间状语从句2.1 定义：时间状语从句用来表示时间，说明动作发生的时间。
2.2 常用连词：when, whenever, while, as soon as, before, after, until, since, for等。
2.3 例句：I will go to the supermarket when I finish my homework.He arrives whenever he wants.第三章：地点状语从句3.1 定义：地点状语从句用来表示地点，说明动作发生的地点。
3.2 常用连词：where, wherever, nowhere, everywhere等。
3.3 例句：Please put the book where it belongs.We will meet wherever we are.第四章：原因状语从句4.1 定义：原因状语从句用来表示原因，说明动作发生的原因。
4.2 常用连词：because, since, as, for等。
I didn't go because it was rning.Since you are busy, I will do it for you.第五章：条件状语从句5.1 定义：条件状语从句用来表示条件，说明动作发生的条件。
5.2 常用连词：if, unless, until, provided that, on condition that 等。
5.3 例句：If it doesn't rn, we will go for a walk.You can borrow the book unless you promise to return it on time.第六章：方式状语从句6.1 定义：方式状语从句用来表示方式或手段，说明动作的方式或手段。
初中英语语法状语从句讲解及练习附答案(精品文档)_共8页
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。
初中英语状语从句教案及精品练习讲解
新课标初中英语状语从句教案及精品练习讲解掌握状语从句的作用。
▲掌握状语从句的意义。
▲掌握各种不同类型的状语从句。
【知识要点】状语从句在句中作状语，修饰句中的动词、形容词或副词等。
状语从句由从属连词作关联词，从属连词在从句中不充当句子成分。
状语从句在主句之前，一般要用逗号分开，朗读时用升调。
状语从句在主句之后，一般不用逗号，朗读时用降调。
状语从句按其意义和作用可分为时间、条件、原因、让步、目的、结果、方式、比较、地点等类型。
1. 时间状语从句（1）..................................................... 常用的连词有when （当.... 时候），while （当..................... 时候），before（在以前）,after （在••…以后），until（till）（直到••…为止）,sinee （自从..... 以来），as soon as （一... 就）等。
（2）时间状语从句中一般不用将来时，若谈论将来的事情，往往用一般现在时代替：女口：rII go on with the work whenl ________ （come） back tomorrow.As soon as he ___________ （finish） the work, he will eometo see me..2. 条件状语从句常由if （假如、如果） No matter （不管）来引导，如果主句是一般将来时，从句往往用一般现在时来表示将来。
如：I'll go for a picnic if it ____ (be) fine.No matter what he _______ (say) ，I won't believe him ，3. 原因状语从句(1) 常由because, since, as 引导。
(2) because 表示直接的原因，着重点在从句，用于回答why, 语气最强。
初中英语语法 状语从句 专题讲解 学案(有答案)
初中英语语法状语从句专题讲解学生通过本课学习，能够掌握状语从句的概念、类型，知识要点和用法，并在综合能力上得以应用。
☆课堂回顾：英语句子结构——状语：一、什么是状语修饰动词、形容词、副词或整个句子, 用来补充说明或限定动作或状态特征的句子成分，叫作状语。
一般表示行为发生的时间、地点、条件、目的、方式、程度等意义。
He writes carefully. He walks slowly.（认真地写，慢慢地走，修饰动词用副词，作状语）This material is environmentally friendly.（修饰形容词用副词，作状语）He runs very slowly.（修饰副词slowly, 因此very是副词，作状语）Unfortunately, he lost all of his money.（修饰整个句子用副词，作状语）基础操练：请画出下列句子中的状语。
1. Every night he practices playing the piano.2. We must work hard to pass the exam.3. She loves the library because she loves books.4. Every night he heard the noise upstairs.5. He began to learn English when he was eleven.6. With the medicine box under her arm, Miss Li hurried off.★本课知识点：状语语从句的知识要点状语从句一、宾语从句的概念:定义：英语中,修饰动词、形容词、副词等的句子成分叫状语（adverbial)。
状语是谓语的另一个附加修饰或限制成分,从情况,时间,地点,方式,条件,对象,肯定,否定,范围和程度等方面对谓语中心词（动作或整件事）进行修饰或限制。
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)初中状语从句讲解及习题附答案(可编辑修改word版)
（二）状语从句详解练习一一. 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.es; 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 uphim.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.esB. comeC. will comeD. is coming6.The police asked the children cross the street the traffic lights turned green.A.not; beforeB. don’t; whenC. not to; untilD. not; after7.I was late for class yesterday there was something wrong with my 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 you will 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 you have 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 all day.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。
初中英语状语从句教案及练习讲解
初中英语状语从句教案及精品练习讲解一、教学目标：1. 让学生掌握状语从句的定义和基本用法。
2. 培养学生正确运用状语从句表达句子意思的能力。
3. 提高学生英语语法和句子结构的理解能力。
二、教学内容：1. 状语从句的定义和分类。
2. 状语从句的连接词及用法。
3. 状语从句的句子结构分析。
4. 状语从句的翻译方法和技巧。
三、教学重点与难点：1. 状语从句的分类和连接词的用法。
2. 状语从句在句子中的位置和句子结构分析。
3. 状语从句的翻译方法和技巧。
四、教学过程：1. 导入：通过举例让学生初步了解状语从句的概念。
2. 讲解：讲解状语从句的定义、分类、连接词及用法。
3. 练习：让学生分析句子结构，判断并改正错误。
4. 翻译：让学生翻译含有状语从句的句子，讲解翻译方法和技巧。
五、课后作业：1. 复习本节课所学内容，掌握状语从句的用法。
2. 完成课后练习题，巩固所学知识。
3. 收集含有状语从句的句子，进行翻译和分析。
注意事项：1. 教学过程中要注意举例生动、贴近生活，激发学生的学习兴趣。
2. 针对不同程度的学生，适当调整教学难度，确保教学质量。
3. 注重培养学生的语法分析和运用能力，提高他们的英语水平。
六、教学策略与方法：1. 采用情景教学法，通过设定真实的生活场景，让学生在实际语境中学习和运用状语从句。
2. 使用任务型教学法，设计各种练习任务，让学生在完成任务的过程中掌握状语从句的用法。
3. 采用合作学习法，鼓励学生分组讨论，共同分析句子结构和翻译方法。
4. 运用多媒体教学手段，如PPT、视频等，丰富教学内容，提高学生的学习兴趣。
七、教学评价：1. 课堂表现：观察学生在课堂上的参与程度、发言情况和语法运用准确性。
2. 课后作业：检查学生完成作业的质量，包括语法、句子结构和翻译等方面。
3. 单元测试：定期进行单元测试，评估学生对状语从句知识的掌握程度。
4. 学生互评：鼓励学生相互评价，共同提高英语水平。
八、教学计划：1. 第一周：讲解状语从句的定义和分类。
初中英语状语从句讲解、练习与答案
初中英语状语从句讲解、练习与答案状语从句是用来修饰主句中的动词、副词和形容词的从句。
根据其含义，状语从句可以分为时间状语从句、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、目的状语从句和让步状语从句。
时间状语从句通常用when、as、while、before、after、since、till、until、as soon as等连词来引导。
例如：昨天我到学校时，正下着大雨。
他正在做作业时，电话响了。
他沿着湖边走着，快乐地唱着歌。
他来中国之前学了一点中文。
他中学毕业后，去了一家工厂工作。
在时间状语从句中，通常不使用将来时态，而是用现在时态表示将来的动作或状态。
例如：我到纽约后会给你打电话。
他回来时，我会告诉他一切。
他不看到实物，是不会相信的。
在带有till或until引导的时间状语从句的主从复合句中，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：年轻人读书直到灯熄灭。
让我们等到雨停。
XXX来之前我们不会开始。
在公交车停下之前不要下车。
Till和Until的区别在于前者表示某一特定事件发生后仍会持续，而后者则表示该事件或状况在那个时刻之后将中止。
在固定组合中，XXX和till/until是不能互换的。
条件状语从句通常由if或unless引导。
谓语动词通常用现在时态表示将来的动作或状态。
例如，如果我明天有空，我会帮你学英语。
他不会迟到，除非他生病了。
同时，“祈使句+ and (or)+陈述句”在意思上相当于一个带有条件状语从句的复合句。
原因状语从句通常由because、since或as引导。
其中，XXX表示直接原因，语气最强，常放在主句之后。
而as和since语气较弱，一般用来表示明显的原因，常放在句首。
例如，他没来上学是因为他生病了。
由于现在下雨，我们不应该去动物园。
【初中英语】 状语从句专项讲解及练习精品资料含答案解析
【初中英语】状语从句专项讲解及练习精品资料含答案解析一、初中英语状语从句1．--- I wonder if Tina to China next week.--- If it ，she will come.A．will come；won’t rain B．comes；doesn’t rainC．comes；won’t rain D．will come；doesn’t rain【答案】D【解析】【详解】句意：——我想知道蒂娜下周是否会来中国。
——如果不下雨，她就会来。
根据语境推测对话的语境是“——我想知道蒂娜下周是否会来中国。
——如果不下雨，她就会来。
”，第一个设空处的if意思是“是否”，引导宾语从句，主句是一般现在时，从句根据时间状语next week确定用一般将来时，一般将来时的构成是：主语+will+动词原形，排除B/C；第二个设空处考查含有if引导的条件状语从句中主句的时态，在含有条件状语从句中的复合句中，时态遵循“主将从现”的原则，即：主句用一般将来时，从句使用一般现在时表将来，表示“不下雨”应借助于助动词does，故选D。
2．_______riding shared bikes is an easy way to travel, it also causes some problems. A．Although B．If C．Until【答案】A【解析】【详解】句意：虽然骑共享单车是一种简单的旅行方式，但也会引起一些问题。
A. Although尽管，虽然；B. If如果；C. Until直到。
根据下文it also causes some problems.可知上文是Although 引导的让步状语从句。
根据题意，故选A。
3．I didn't realize he was a famous scientist you told me.A．until B．because C．since【答案】A【解析】句意：直到你告诉我，我才知道他是一位出名的科学家。
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）.Let’s wait until the rain stops.We won’t start until Bob comes.Don’t get off（从下来）until the bus stops.【Till是指直到某一特定事件发生的时候，而在那个时刻之后，该事情或状况仍将持续。
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。
初中英语状语从句教案及练习讲解
初中英语状语从句教案及精品练习讲解第一章：状语从句概述1.1 定义状语从句是英语中的一种从句，用来修饰动词、形容词、副词或整个句子，表示时间、地点、原因、条件、目的、结果等。
1.2 分类1.2.1 时间状语从句例如：When I got home, I found my keys lost.1.2.2 地点状语从句例如：Wherever you go, I will go with you.1.2.3 原因状语从句例如：Because you are ill, you should stay at home.1.2.4 条件状语从句例如：If it rns, we will cancel the trip.1.2.5 目的状语从句例如：To improve your English, you should practice speaking every day.1.2.6 结果状语从句例如：You study hard, you will succeed.第二章：时间状语从句2.1 定义时间状语从句表示时间，用来修饰动词、形容词、副词或整个句子。
2.2 连接词2.2.1 when例如：When I got home, I found my keys lost.2.2.2 while例如：While I was cooking, she was reading.2.2.3 until例如：I will wt until he es back.2.2.4 once例如：Once you arrive, call me immediately.2.2.5 if例如：If it rns, we will cancel the trip.2.3 精品练习（1）选择正确的连接词完成句子：a. I was reading a book _______ I heard the bell.b. She wted _______ her husband came back.c. Don't go out _______ you have finished your homework.d. I will call you _______ I arrive at the rport.e. If you study hard, you will pass the exam.第三章：地点状语从句3.1 定义地点状语从句表示地点，用来修饰动词、形容词、副词或整个句子。
初中英语状语从句讲解、练习与答案(教案)
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）.Let’s wait until the rain stops.We won’t start until Bob comes.Don’t get off（从下来）until the bus stops.【Till是指直到某一特定事件发生的时候，而在那个时刻之后，该事情或状况仍将持续。
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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）.Let’s wait until the rain stops.We won’t start until Bob comes.Don’t get off（从下来）until the bus stops.【Till是指直到某一特定事件发生的时候，而在那个时刻之后，该事情或状况仍将持续。
Until是指直到某一特定事件发生的时候，而讲话的人在自己心里认为，在那个时刻之后，该事情或该状况将中止（不怎么可能持续）。
固定组合里from morning till night，till/until是不能替换的，】2. 条件状语从句(1)条件状语从句通常由if, unless引导。
例如：What shall we do if it snows tomorrow?Don’t leave the building unless I tell you to.(2)在条件状语从句里，谓语动词通常用现在时态表示将来的动作或状态。
例如：I’ll help you with your English if am free tomorrow.He won’t be late unless he is ill.(3)“祈使句+ and (or)+ 陈述句” 在意思上相当于一个带有条件状语从句的复合句。
例如：Hurry up, or you’ll be late. =If you don’t hurry up, you’ll be late.Study hard and you will pass the exam. =If you study hard, you will pass the exam.3. 原因状语从句(1)原因状语从句通常由because, since, as引导。
例如：He didn’t come to school because he was ill.As it is raining, we shall not （不得；不应该）go the zoo.Since you can’t answer the question, I’ll ask someone else.(2)because表示直接原因，语气最强。
Because引导的原因状语从句多放在主句之后。
回答由why提出的问题，只能用because。
As和since语气较弱，一般用来表示明显的原因。
由as和since引导的原因状语从居多放在句首。
例如：------Why aren’t going there?------Because I don’t want to.As he has no car, he can’t get there easily.Since we have no money, we can’t buy it.(3)because和so不能同用在一个句子里。
4. 结果状语从句(1)结果状语从句由so…that, such…that, so that引导。
例如：He is so poor that he can’t buy a bike for his son.(和too...to...句型的转换复习）She is such a good teacher that everybody likes her.My pencil fell under the desk, so that I couldn’t see it.(2)so…th at语such...that可以互换。
例如：在由so...that引导的结果状语从句中，so是副词，与形容词连用。
其结构是: “...so + 形容词（副词）+ that + 从句”。
例如：He was so glad that he couldn’t say a word.The hall is so big that it can hold 2,000 people.Mother lives so far away that we hardly ever（几乎不，从来不）see her.在由such…that引导的结果状语从句中，such是形容词，它修饰的可以是单数或复数可数名词，也可以是不可数名词；名词前面可以带形容词，也可不带。
如果是单数可数名词，前面需加不定冠词a或an。
例如：It was such a hot day that nobody wanted to do anything.He had such long arms that he could almost touch the ceiling.（天花板）He made such rapid progress that he did very well in the mid-term.有时上述两种结构是可以互换的。
例如：It was such a wonderful film that all of us wanted to see it again.=The film was so wonderful that all of us wanted to see it again.It is such an important match that nobody wants to miss it.=The match is so important that nobody wants to miss it.(3)如果名词前由many, much, little, few等词修饰时，只能用so, 不用such。
例如：Soon there were so many deer that they ate up all the wild roses.He has so little time that he can’t go to the cinema（去看电影）with you.5. 比较状语从句比较状语从句通常由as…as, 比较级+ than…等连词引导。
例如：Tom runs faster than John does.This classroom is as big as that one(is).6. 目的状语从句(1)目的状语从句通常由so that, in order that（为了，以便）引导。
例如：We started early so that we could catch the first train.(动词不定式作目的状语的转换练习）He studies hard so that he could work better in the future. （和不定式短语so as to 的转换练习）We used the computer in order that we might save time.（和不定式短语in order that的转换练习）(2)so that既可引导目的状语从句，又可引导结果状语从句。
区别这两种从句的办法有两个：1)目的状语从句里往往带有情态动词can, could, may, might等。
2)从意思上看，目的状语从句往往表示的目的很明确。
例如：I’ll speak slowly so that every one of you can understand well . (目的状语从句)Jack is badly ill so that he has to rest. (结果状语从句)He ran quickly so that he won the race . (结果状语从句)He ran quickly so that he could win the race , (目的状语从句)7. 让步状语从句(1)让步状语从句通常由although, though等连词引导。
例如：Though he is young, he knows a lot.Although I am tired, I must go on working. (复习go on doing,go on to do)(2)although(though)不能用在同一个句子中。
例如：我们不能说：Though it was raining hard, but he still went out.应该说：Though it was raining hard, he still went out.或It was raining hard, but he still went out.(3)even if/even though 表示“即使。
，纵使。
”之意，含有一种假设We’ll make a trip even if / even though the weather is bad .(4)no matter + 疑问词“不论。