初中英语语法知识—状语从句的全集汇编附答案(1)
(完整)初中英语状语从句讲解、练习与答案
状从句状从句用来修主句中的，副和形容的从句叫状从句。
根据其含状从句可分状从句，地点状从句，条件状从句，原因状从句，果状从句，比状从句，目的状从句，步状从句。
1. 状从句(1)状从句常用when, as, while, before, after, since, till, until, as soon as 等来引。
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)在状从句里，通常不用将来，用在表示将来的作或状。
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)在有 till 或 until 引的状从句的主从复合句里，如果主句用肯定式，其含是“一直到⋯⋯〞，只能用延性。
如果主句用否认式，其含是“直到⋯⋯ 才⋯⋯〞,“在⋯⋯以前不⋯⋯〞 , 可用瞬。
例如：The young man read till the light went out〔熄〕.Let ’ s wait until the rain stops.We won’ t start until Bob comes.Don’ get off 〔从下来〕until the bus stops.【Till 是指直到某一特定事件生的候，而在那个刻之后，事情或状况仍将持。
(完整版)初中英语语法专题(状语从句)讲解
初中英语语法专题（状语从句）讲解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条件 If, unless原因 As, because, since地点 Where目的 So that, in order that结果So that, so…that, such…that让步 though, although, even if, however方式 As比较 t han, (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。
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，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。
让步状语从句：Though he is in poor health, he works hard.虽然他身体不好，但是他工作很努力。
方式状语从句：Students do as the teachers say.学生们按照老师说的去做。
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
初中英语语法状语从句初中英语语法状语从句1状语从句在复合句中，修饰主句中的动词、形容词或副词等的从句叫状语从句。
状语从句根据它表达的意思可分为时间、地点、原因、目的、结果、让步、比较(或方式)和条件等类。
1.时间状语从句引导连词有when，while，till，not…until，since，after ,before ,as soon asThe bus won’t start until everybody gets on.公共汽车直到每人都上车为止，才开动。
When he knocked at the door I was cooking.当他敲门时，我正在煮饭。
Last night before he came back home, his wife had already cooked dinner and waited for 2 hours.昨天晚上在他回到家之前，他的妻子已经做好晚饭足足等了他两小时之久。
After I went to church, I went shopping.2.地点状语从句地点状语从句通常由where, wherever 引导。
Where there is a will, there is a way. 哪里有志向，哪里就有出路。
有志者事竟成。
Where there is a life, there is a hope. 哪里有生命，哪里就有希望。
留得青山在，不怕没柴烧。
Wherever you go, whatever you do, I will be right here waiting for you.不管你去哪里，不管你做什么，我都会在此守侯你。
3.原因状语从句引导连词有because，as, since。
He didn′t see the film because he had seen it.他没有看那部电影，因为他已经看过了。
They couldn’t get on the train，for it was too crowed.比较：because, since, as和for1)because语势最强，用来说明人所不知的原因，回答why提出的问题。
(完整版)初中状语从句讲解及习题附答案
（一）状语从句归纳定义状语从句用作状语，是起副词作用的句子。
地址状语从句能够放在主句从前，也能够放在主句此后，时间、条件、原因和退步状语从句放在句首时需要用逗号和主句分开。
分类依照其作用能够分为时间、地址、原因、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。
并且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（也许相）。
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⋯此后”。
表示主句作生在从句作此后。
主句与从句的作关系与before 引的从句相反。
before意“在⋯从前”。
引的从句不用否定形式的，并且当 before 引的从句位于主句此后，有成“就，才”。
当主句用将来，从句是用在；若是 before 引的从句用的是去，主句多用去完成，以便体作的先后。
till意“直到”。
一般情况下能够和 until 互。
若是主句中的是瞬，必用否定形式；若是主句中的是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’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 ’ t watch TV before you finish your homework.Before it ended, the theatrewas almost empty.My father had left for Canada just before the letter arrived.She didn ’event know that it was an earthquake till she saw a shaking ( moving from side to side) light.The fireman worked very hard延性，用必定和否定形式都能够，但表达的意思不相同。
初中英语语法归纳(状语从句)
初中英语语法归纳：状语从句为了提高同学们的英语复习效率，中国教育在线整理了初中英语语法之状语从句，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 when 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。
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.Let’s wait until the rain stops.We won’t start until Bob comes.Don’t get off until the bus stops.2. 条件状语从句(1)条件状语从句通常由if, unless引导。
(完整版)初中英语语法15个专题汇总(带习题和答案)
目录专题一名词 (1)专题二数词、冠词 (8)专题三介词、连词 (14)专题四代词 (21)专题五形容词、副词 (31)专题六动词的分类 (39)专题七情态动词、系动词 (46)专题八动词时态 (52)专题九被动语态 (58)专题十非谓语动词 (64)专题十一简单句、并列句 (73)专题十二祈使句、感叹句 (81)专题一三宾语从句 (87)专题一四定语从句 (94)专题一五状语从句 (102)专题一名词1.名词的数1.概述：名词按其表示的事物的性质分为可数名词和不可数名词。
2.可数名词及其单复数：可数名词有单复数变化，其前通常用不定冠词和数词来修饰，还可用many,few, a few, some， any, plenty of， lots of, a number of 等修饰。
构成名词复数形式的方法分为规则法和不规则法两种。
1）复数的规则构成法：绝大多数英语中的名词复数都是在单数名词后加上词尾—s或—es构成的。
具体规则如下图:a．单复同形的:Chinese—Chinese, Japanese-Japanese， deer—deer, sheep-sheep, fish-fish(表示鱼的数量）b。
熟记下列词的复数变化:man—men, woman—women, policeman-policemen， foot—feet,tooth-teeth， mouse—mice， child—childrenc. 以man， woman做定语构成的复合名词,变复数时要全变：a man teacher-two men teachers; 其他情况一般只变主体名词而作定语的名词不变：a girl student—two girl students3. 不可数名词：不可数名词没有单复数。
如：water， meat, air等。
在表示数量时，通常用以下方法。
1）用some， much, a little, little, a lot of, lots of, plenty of 等表示多少。
初中英语语法——状语从句
状语从句一、考点解读今天我们复习状语从句，英语中状语与中文的状语大致相同，分为时间状语、地点状语、原因状语、目的状语、结果状语、条件状语、方式状语等等。
如果一个主从复合句中的从句是用来表示时间，原因等等时，那就称为状语从句。
在主从复合句中修饰主句中的动词、形容词、副词等的从句叫做状语从句，又由于其功能与副词非常相近，又称做副词性从句。
状语从句一般可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句、比较状语从句和方式状语从句九种。
这节课我们主要复习如下的内容：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．结果状语从句6．条件状语从句7．让步状语从句8．比较状语从句9．方式状语从句二、专题梳理（一）时间状语从句在句子中起时间状语作用的句子称为时间状语从句。
时间状语从句可以放在句首、句中和句尾。
常用来引导时间状语从句的引导词有：when 当……时候while 当……时候as 当……时候、一边after 在……之后before 在……之前since 自从ever since 自从once 一……就……whenever 不管什么时候by the time 到……as long as 长达……as soon as 一……就……till/until 直到……1．when，while，as的用法从属连词when，while，as都可用来引导时间状语从句，意为“在……时候”。
但在具体用法上又不尽相同。
（1）这三个连词中，when用得最广，常可代替while与as。
与while相比，when引导的从句动词既可是延续性的，也可是终止性的。
as在这一点上与when相同，while所引导的从句中，动词只能是延续性的。
在初中阶段，我们几乎很少讲as引导时间状语从句。
是因为as在初中阶段是一种供了解性的内容。
e.g.When the fire broke out, all the studentswere sleeping soundly.（终止性的）当火灾发生时，所有的学生正在熟睡中。
初中英语语法知识—状语从句的全集汇编及答案解析(2)
一、选择题1．It was ____ bad weather ____ I had to stay at home.A．too, to B．so, that C．such, that D．as, as2．________ haburgers are junk food, many children still like them.A．If B．Unless C．Because D．Although3．I watched the World Cup in a bar last night and I home 1:00 in the morning. A．go; until B．went; untilC．didn’t go; until D．won’t go; until4．___________ many people may surf the Internet for the latest news, it is impossible that the newspaper will disappear.A．Beacause B．Though C．Since D．Unless5．It’s________a difficult question that few of us can answer it.A．quite B．so C．such D．very6．I don’t like nuts ________ they are too hard.A．if B．after C．when D．because7．The little girl is crying，she can’t find her parents.A．and B．but C．so D．because8．— Would you please ask Tom to come to my office?—Sure, I will tell you about it as soon as he _______back tomorrow.A．will come B．came C．comes D．is coming9．________ Ann’s parents are busy, they try to spend more time with her.A．Although B．As long as C．After10．______ we have different opinions from time to time, we are still good friends.A．Until B．After C．Because D．Though11．________ they are sisters, they don’t look the same.A．Though B．Because C．But12．—the water was cold , Wei Qinggang jumped into it to save others.A．Although B．When C．If D．Because13．We really thank our teachers for what they have done for us.They have been with us for nearly three years we came to middle school.A．since B．before C．until14．— What should I do if I ______ behind others in my study?— You are going to work really hard to catch up with them.A．fall B．will fall C．fell15．Now most families have only one child _____ ou r country’s one-child policy.A．so B．because C．because for D．because of16．If you _______ someone, you invite them to flight or compete with you in some way. A．encourage B．challenge C．introduce17．—Are you going to Mary’s party tonight?—No, I won’t go__________ you go.A．because B．when C．unless D．though18．The bus driver always says to us: “Don’t get off ______ the bus stops.”A．when B．whileC．until D．if19．— When shall we start?—Let’s wait ________ the rain stops.A．if B．as C．until D．since20．Mother was cooking in the kitchen________ Jack was watching TV in the room.A．if B．as C．when D．while 21．—How’s the weather tomorrow?—I don’t know if it ___________ tomorrow.—Well, if it ___________, I won’t go out with you.A．will rain; will rain B．rains; rainsC．rains; will rain D．will rain; rains22．The policeman asks the child not to cross the street ________ the traffic light turns green. A．when B．until C．because D．after23．Mr.Green doesn’t have any hobbies________ you call watching TV a hobby.A．though B．unless C．because24．—My son hardly even eats vegetables________ it’s good for his health.— Not a good habit.A．and B．but C．so D．although 25．—If it________tomorrow, I’ll go fishing.— May I go along with you?A．didn’t rain B．won’t rain C．does n’t rain【参考答案】***试卷处理标记，请不要删除一、选择题1．C解析：C【解析】【分析】【详解】句意：天气如此糟糕以至于我不得不待在家里。
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。
初中英语语法大全之状语从句专项讲解
2、地点状语从句
常用引导词:where 例句 Generally, air will be heavily polluted where there are factories.
3、原因状语从句
常用引导词:because, since, as, for 例句 My friends dislike me because I'm handsome and successful.
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 例句 We‘ll start our project if the president agrees.
7、让步状语从句
when
既可以表示在某一点的时候，又可表示在某一段时间内。
when可以和延续性动词连用，也可以和短暂性动词连用；而 while 和 as只能和延续性动词连用 ;
when从句的谓语动词可以在主句谓语动作之前、之后或同时 发生；while和as从句的谓语动作必须是和主句谓语动作同时
发生。
When we were at school, we went to the library every day. （在一段时间内）
，when，while，as都可使用。 主句中的动作或事情是在从句中的动作或事情的进展过程中
发生，从句中的动词一般要用延续性动词。
When ／While ／As we were dancing，a stranger came in． （dance为延续性动词）
Please don’t talk so loud while others are working.
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.when当。
的时候mozart started writing music when he was four years old.当)XXX的时分，开始写音乐作品。
2.while当。
时XXX a lot of places while he was traveling.他在旅途中参观了许多地方。
3.as在。
的同时；一边。
一边。
XXX.他一边站起来一边笑着。
4.after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.before在。
之前XXX.XXX先生来这之前已经在一家银行里工作一年了。
6.XXX。
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。
7.since自。
以来到现在透露表现自曩昔的一个出发点工夫到目前(语言工夫)为止的一段延续工夫。
主句普通用目前完成时，从句用普通曩昔时。
mr green has taught in that school since he came to china three years ago.自XXX先生来中国以来，他就在这所学校教书。
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一一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：日寸间when, while, as, as soon as, since, until, after, before as long as （长达••…之久）条件If, uni ess,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, eve n if, however方式As比较than, （not）as …as,时间状语从句：Whe never he comes, he brings a frie nd.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 n ear the sea, we enjoy nice weather.于我们住在海边，能享受至収子的天气。
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：Fi nish this so that you can start an othe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 could n't say a word.他气得说不出话了。
(近几年)初中英语语法之状语从句运用与中考高频考点试题梳理详解(含答案解析11页汇编)
（近几年）初中英语语法之状语从句运用与中考高频考点试题梳理详解（含答案解析）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. 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. 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. 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.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.高频考点一：考查时间状语从句例2． I believe you will have a wonderful time here ________ you get to know everyone else.A．though B．as ifC．once D．so that【答案】C【解析】考查语意逻辑关系。
[荐]初中英语语法专练—条件状语从句和让步状语从句-全考点详解
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初中英语语法专练—条件状语从句和让步状语从句-全考点详解一、条件状语从句条件状语从句引导词有if, as long as等。
常用if引导条件状语从句。
if意为“如果”，它引导的句子表示某事发生所需要的条件，即“在......条件下某事才能发生”，在句子中充当状语，因此叫“条件状语从句”。
1.if从句+祈使句，相当于汉语的“如果......，就......”。
if引导的条件状语从句不是指已经发生的事件，而是指能够发生或可能发生的事件。
该结构还可以用来表达建议。
如：If you want to come here tomorrow, email me first./Email me first if you want to come here tomorrow./If you don’t feel well, please go to see the doctor./Please go to see the doctor if you don’t feel well.2.if引导的条件状语从句表达某种假设的情况，主句则表示此种情况所导致的结果。
从句如果用一般现在时，主句的谓语多用一般将来时或“情态动词+动词原形”。
如：If I start after dinner, I’ll finish it before I go to bed./She may come with us if she arrives in time.注意：if 引导的条件状语从句可以放在主句前，也可以放在主句后。
从句置于主句前，须有逗号与主句隔开。
反之则不用逗号。
二、让步状语从句让步状语从句引导词有although, though, even if, even though, 特殊疑问词+ever(whatever, wherever...）, no matter+特殊疑问词(no matter how, no matter where...)等。
初中英语语法专题讲解--状语从句
一，状语从句状语从句在主从复合句中修饰主句中的动词、形容词或副词等，起副词的作用。
状语从句由从属连词引导，从属连词在从句中不担任任何句子成分。
状语从句可位于主句之前，也可位于主句之后。
位于主句之前，一般要加逗号与主句分开；位于句末则不需要。
状语从句根据它所表达的意思可分为时间、地点、原因、目的、结果、比较，让步、方式和条件状语从句等类。
（一），时间状语从句引导时间状语从句的从属连词有：when, while, as soon as, before, after, since , till, until 等【注】1，until (till) 直到，在用until 表达时间状语的句子中，主句中的动词是要十分小心去选择。
如动词是持续性动词，它要用肯定句，如：I studied hard until 12 o'clock last night. 如果动词是瞬间截止性动词，则要用否定句，即，not---until “直到…才”。
如：He didn't go to bed until his mother came back.They didn’t stop until they finished t he work .2，时间状语从句中的谓语动词不能用,将来时，终能用一般现在时表示一般将来时，即“主将从现”原则。
如，When he comes, I’ll tell him about it.I will call you as soon as I arrive in Beijing. 我到北京就将给你打电话(二)，条件状语从句通常由从属连词if，unless等引导【注】1，条件状语从句与时间状语从句一样，从句中不能用将来时态，要用一般现在时态表示一般将来时态，也符合“主将从现”原则。
如，If it snows tomorrow, we will build a snowman.If it rains, they won't go to the park on SundayI won’t go to his party unless I am invited .,2，要区别是条件、时间状语从句还是宾语从句，因为在宾语从句中该用什么时态用什么时态，如：I want to know if he will come here tomorrowI want to know if it will rain tomorrow. If it doesn’t rain, I will go hiking.I don’t know when he will come, When he comes, I’ll tell him about it.（三），让步状语从句通常由从属连词though（although）（虽然，尽管），even if（even though）（即使）等引导注：翻译是后半句带有转折的意味，但不能由but连接。
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一、选择题1．If you _______ someone, you invite them to flight or compete with you in some way. A．encourage B．challenge C．introduce2．—the water was cold , Wei Qinggang jumped into it to save others.A．Although B．When C．If D．Because3．________ haburgers are junk food, many children still like them.A．If B．Unless C．Because D．Although4．I watched the World Cup in a bar last night and I home 1:00 in the morning. A．go; until B．went; untilC．didn’t go; until D．won’t go; until5．You will never get anywhere you set a goal. So whatever we do, we should first have a goal.A．unless B．because C．though6．Jenny often eats a lot of fruit andvegetables_______she knows they are good for health.A．because B．but C．or7．Amy is_______ careful that she made_______ mistakes in her last exam.A．so; so few B．such; so little C．so; such few D．such; such little 8．—I’m afraid I can’t finish the job in such a short time.—Don’t worry. Can you do it if you_______ two more hours.?A．give B．are given C．will give D．will be given 9．— Would you please ask Tom to come to my office?—Sure, I will tell you about it as soon as he _______back tomorrow.A．will come B．came C．comes D．is coming 10．--______ will the discussion last?--______ we reach an agreement.A．How long; Not until B．When; Not untilC．How long, Until D．When, Until11．I don’t like science _______it’s difficult.A．but B．so C．because12．—You look so sleepy. What’s the matter with you , Carmen?—I’ve been working for ten hours. I am__________tired ___________ I want to sleep. A．so ; that B．such; thatC．between; and D．neither; nor13．—If it________tomorrow, I’ll go fishing.— May I go along with you?A．didn’t rain B．won’t rain C．doesn’t rain 14．Joan was walking in the street________ she saw the accident.A．when B．while C．after D．before 15．Sam won’t make any progress ______ he studies harder than before.A．if B．when C．because D．unless 16．—Are you going to Mary’s party tonight?—No, I won’t go__________ you go.A．because B．when C．unless D．though 17．—The air pollution is terrible.—It will be worse _____ everyone plays a part in saving the environment.A．If B．unless C．until18．The bus driver always says to us: “Don’t get off ______ the bus stops.”A．when B．whileC．until D．if19．It was________a difficult task that nobody can finish it on time.A．so B．too C．enough D．such 20．—How’s the weather tomorrow?—I don’t know if it ___________ tomorrow.—Well, if it ___________, I won’t go out with you.A．will rain; will rain B．rains; rainsC．rains; will rain D．will rain; rains21．—Why do you sell old books?—I sell them________ raise some money for the poor students.A．in order that B．in order to C．so that D．because of 22．The policeman asks the child not to cross the street ________ the traffic light turns green. A．when B．until C．because D．after23．It ________ heavily when I left the movie theater.A．rains B．was raining C．is raining D．will rain 24．—It’s raining heavily outside.—So stay here and don’t go out ______ it stops.A．when B．until C．if25．When he , I’ll tell him the news. But I don’t know when he .A．comes; will come B．will come; comesC．comes; comes D．will come; will come【参考答案】***试卷处理标记，请不要删除一、选择题1．B【解析】句意：如果你挑战某人，你会邀请他们去战斗或者和他们在某方面竞争。
A. encourage鼓励；B. challenge挑战；C. introduce介绍。
根据句意：你邀请他们去战斗或者和他们在某方面竞争，可知是“如果你挑战某人”，“挑战”challenge。
分析题干可知这是if引导的条件状语从句，要遵循“主将从现”的原则，所以if从句要用一般现在时，故答案选B。
2．A解析：A【解析】【详解】本题主要考查连词辨析，句意：尽管水很冷，但是魏青刚跳进去救别人。
因此用although 引导让步状语从句；When当……时候；If如果；Because因为，故选A。
3．D解析：D【解析】句意：虽然汉堡包是垃圾食品，但是很多孩子们还是喜欢他们。
if如果，引导条件状语从句；unless除非，如果不，引导条件状语从句；because因为，引导原因状语从句；although虽然，引导让步状语从句。
根据句意可知，这两句话之间是转折的关系，故应选D。
4．C解析：C【解析】【详解】句意：我昨晚在一个酒吧看世界杯，直到凌晨1点才回家。
考查连词。
根据时间状语last night，可知用一般过去时，所以排除AD；根据句意，可知是not…until…引导时间状语从句，意为“直到……才……”，故选C。
5．A解析：A【解析】【详解】句意：除非你设定一个目标，否则你永远也到不了任何地方。
所以无论我们做什么，我们首先应该有一个目标。
考查连词。
unless除非；如果不； because因为；though尽管，虽然。
根据“You will never get anywhere”可知下文是unless引导的让步状语从句，此处是“除非你树立目标”，根据题意，故选A。
6．A解析：A【解析】【详解】句意：Jenny经常吃很多蔬菜和水果，因为她知道它们对健康有利。
本题考查连词。
A. because 因为，表原因； B. but但是，表转折； C. or或者，表示选择。
分析句子知，“Jenny经常吃很多蔬菜和水果”，是结果，“她知道它们对健康有利”表示原因；故选A。
7．A解析：A【解析】【详解】句意：艾米如此小心，以至于她上次考试很少出错。
so+形容词或副词+that从句，表示如此……以至于……；排除BD；few很少，修饰可数名词复数，表示否定意义；little很少，修饰不可数名词，表示否定意义；mistakes是可数名词复数；few很少，和so连用；so few mistakes表示如此少的错误；排除C；根据题意，故选A。
8．B解析：B【解析】【分析】【详解】句意：——我担心我不能在这么短的时间里完成工作。
——不要担心，如果再多两个小时，你做得到吗？考查if引导的条件状语从句。
give给，原形；are given被给，被动语态；will give将会给，将来时；will be given将会被给。
在if引导的状语从句中，用一般现在时代替一般将来时；主语you是动作的承受者，所以用被动语态。
故选B。
9．C解析：C【解析】【分析】【详解】句意：——你能叫汤姆来我办公室一趟吗？——当然，他明天一回到办公室我就跟他说。