初中英语语法状语从句讲解专项练习及答案
必备英语【初中英语】 状语从句专项练习和答案含答案解析
必备英语【初中英语】状语从句专项练习和答案含答案解析一、初中英语状语从句1．He doesn't tell me when he_______ . I'll telephone you as soon as he______.A．will come;comes B．will come; will comeC．comes; will come D．comes; comes【答案】A【解析】试题分析：句意：他没告诉我什么时间回来。
他一回来我就告诉你。
宾语从句中表示将来，用将来时，而状语从句中多用一般现在时表示将来时；故选A。
考点：考查时态的用法。
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．If you study hard, you ________ into a good senior high school.A．got B．will get C．get【答案】B【解析】【详解】考查条件状语从句时态的用法。
句意：如果你努力学习，你_______进入一个好点的高中。
A. got 表示一般过去时；B. will get 是一般将来时；C. get 是一般现在时。
连词if引导的条件状语从句中，主句是一般将来时，条件状语从句用一般现在时表示将来的动作。
由句意可知，主句是将来发生的动作，用一般将来时，故选B。
4．--Remember to keep the dog on a leash （狗链）________ you walk it, honey!--Sure. I won’t let it hurt others.A．until B．after C．while D．since【答案】C【解析】【详解】句意“-宝贝，当你遛狗时记得给狗拴上链子。
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】状语从句专项练习含答案解析
【初中英语】状语从句专项练习含答案解析一、初中英语状语从句1．—Winter swimming is exciting, but one can’t do it ________ he or she has got some training. — Exactly! It can be dangerous.A．after B．unless C．if D．while【答案】B【解析】句意：——冬泳是令人兴奋的，但除非他或她接受了一些训练，否则是不行的。
——没错！这可能是危险的。
A. after在……之后；B. unless 除非；C. if 如果；D. while当……的时候。
根据语境和句意可知用unless。
故选B。
2．（题文）I’m sure that you will succeed in the end ___________ you give up halfway. A．until B．till C．unless D．although【答案】C【解析】试题分析：句意：如果你不半途放弃，我肯定你最终会成功的。
A. until直到，表示时间；B. till 直到，表示时间；C. unless如果不，除非，表示条件；D. although虽然，尽管。
表示让步。
如果不放弃，就会成功。
故选C。
考点：考查连词用法辨析。
3．Betty you the answer as soon as she works it out later.A．tells B．told C．will tell D．is telling【答案】C【解析】【详解】句意：贝蒂之后一算出来，她就会告诉你答案。
考查时态。
tells告诉，一般现在时；told一般过去时；will tell一般将来时；is telling现在进行时。
as soon as表示“一……就……”。
由as soon as引导的从句需要用一般现在时态代替将来时态，可知主句时态是一般将来时。
(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。
(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（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。
初中英语语法状语从句讲解专项练习及答案
初中英语语法状语从句讲解专项练习及答案1. 易混引导词while, when, as的区别：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。
如：When he came in, his mother was cooking.When (While) we were at school, we went to the library every day.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。
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。
在将来时从句中，常用when，且从句须用一般时代替将来时。
①You shall borrow the book when I have finished reading it．在我读完这本书后，你可以借阅。
②When the manager come s here for a visit next week，Ill talk with him about this．下周，经理来这参观时，我会和他谈谈此事。
when用于表示“一……就……”的句型中（指过去的事情）。
sb．had hardly（＝scarcely）done sth．when．．．＝Hardly ／Scarcely had sb．done sth．when．．．①I had hardly／scarcely closed my eyes when someone knocked at the door．＝Hardly／Scarcely had I closed my eyes when someone knocked at the door．我刚一闭上眼，就有人在敲门了。
必备英语【初中英语】状语从句专项练习题及答案详解含答案解析
必备英语【初中英语】状语从句专项练习题及答案详解含答案解析一、初中英语状语从句1．The Bund looks _______beautiful at night that it attracts a lot of tourists every day.A．very B．so C．such D．quite【答案】B【解析】【详解】句意：外滩在晚上看起来很漂亮，每天都吸引了很多游客。
考查固定结构辨析。
so/such…that是固定结构，表示“如此……以至于”，引导结果状语从句，可排除AD两项。
so修饰形容词或副词，such修饰名词或名词性短语。
本句beautiful（漂亮的）是形容词，需用so；根据句意结构和语境，可知选B。
2．Tony has had to cook by himself ________ his mother went on business to Guangzhou. A．since B．after C．during D．when【答案】A【解析】【详解】句意：自从妈妈去广州出差以来，托尼不得不自己做饭。
A. since从……以来；B. after在……之后；C. during 在……期间；D. when当……时候。
since后跟时间状语从句时，表示的是到目前为止的时间段，从句时态为一般过去时，而主句的时态为现在完成时，故正确答案为A。
3．He has made great progress his mother is very pleased with him.A．so；that B．enough；to C．so；too D．such；that【答案】D【解析】【详解】句意：他已经取得了如此大的进步以至于他的妈妈对他非常满意。
从句意可知这里需要用到“如此….以至于”so+形容词/副词+that或such+名词+that，根据句子中的great progress意思是很大的进步，是名词短语，故用such…that, 故选D。
专项训练 状语从句专项讲解及练习含答案解析
专项训练状语从句专项讲解及练习含答案解析一、初中英语状语从句1．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。
A. until到…为止；B. because 因为；C. since既然，因为。
本题考查固定句式not…until…直到……才。
其用法是如果（主）句中的谓语是终止性动词，应采用“not…until”结构，意为“到……时候才” 根据句子结构，结合选项，故选A。
2．—I’m going to the post office.—________you are there, can you get me some stamps?A．When B．While C．Because D．If【答案】B【解析】试题分析：A. As 一边…一边，作为 B. While当…时候 C. Because 因为 D. lf假如；句意：我将要去邮局。
你去那里的时候，能不能给我带一些邮票呢？故选B考点：连词点评：连词在中考中涉及到的很多，尤其在宾语从句、状语从句、定语从句中连词是必考点。
平时学习过程中，掌握连词的意思，及所表示的关系是至关重要的，这种关系的判断可以通过句子意思的理解来选择恰到的连词。
3．There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.A．if B．unless C．because D．since【答案】B【解析】试题分析：句意：印度有越来越少的老虎。
如果人类不停止为了虎皮和虎骨猎杀老虎，情况会继续。
A.if如果，表示条件；B.unless如果不，表示相反的条件；C.because因为，表示原因；D.since自从，表示时间的起点；既然，表示原因。
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 I 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。
初中状语从句讲解及习题附答案
初中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 While I was standing at thewindow, I saw several boysrunning along the street.While John was watchingTV, his wife was cooking. as The writer was angry as hewas travelling on a train toLondon because someonehad invaded his “space”.He smiled as he stood up. after With many hungry visitorswaiting, don’t stay too longat your table after you havefinished.If an early exit is necessary,you can leave after a sceneis over.before You can’t watch TV beforeyou finish your homework.Before it ended, the theatrewas almost empty.My father had left forCanada just before theletter arrived.till She didn’t even know thatit was an earthquake tillshe saw a shaking ( movingfrom side to side) light.The fireman worked veryhard till the fire was out.until 意为“直到”。
(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。
依据其含状从句可分状从句，地址状从句，条件状从句，原由状从句，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。
比如：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，往常不用未来，用在表示未来的作或状。
比如：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，假如主句用一定式，其含是“向来到⋯⋯”，只好用延性。
假如主句用否认式，其含是“直到⋯⋯ 才⋯⋯” ,“在⋯⋯从前不⋯⋯” , 可用瞬。
比如：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，而在那个刻以后，事情或情况仍将持。
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，抓住重点与难点！各类状语从句连接词（短语）一览表：时间 , , , , , , , ，（长达……之久）条件 , (只要)原因 , , ，(既然,因为)地点目的(为了),结果（方便）, …, …让步 , , ,方式比较 , ()…,时间状语从句：, a . 他每次来都带个朋友。
. 他们毕生都在关心着我.条件状语从句：I , I . 只要我活着，我就要学习。
原因状语从句：, .由于我们住在海边，能享受到好的天气。
地点状语从句：.把它放在我们都能看到的位置。
目的状语从句：.把这个做完，（为了）你可以开始另一个。
结果状语从句：'t a . 他气得说不出话了。
让步状语从句：, .虽然他身体不好，但是他工作很努力。
方式状语从句：.学生们按照教师说的去做。
比较状语从句：'t I .这项工作比我想象得难。
例题解析：举一反三，学的更轻松！1. 易混引导词, , 的区别：可以与延续性动词连用，也可以与短暂性动词连用；而与只能与延续性动词连用。
如：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；与从句的谓语动作必须是与主句谓语动作同时发生。
表示时间段,因此，从句的谓语动词要用延续性动词。
如：'t .与用法相似，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：, .随着年龄的增长，你获得的知识就越多。
在将来时从句中，常用，且从句须用一般时代替将来时。
① I ．在我读完这本书后，你可以借阅。
② a ，．下周，经理来这参观时，我会与他谈谈此事。
用于表示“一……就……”的句型中（指过去的事情）。
．（＝）．．．．＝／．．．．．①I ／．＝／I ．我刚一闭上眼，就有人在敲门了。
必备英语 必备英语状语从句技巧全解及练习题(含答案) 含答案解析
必备英语必备英语状语从句技巧全解及练习题(含答案) 含答案解析一、初中英语状语从句1．She looked behind from time to time ________ she went in the dark.A．when B．as C．while D．before【答案】B【解析】【详解】句意：她在黑暗中走着，不时回头看看。
考查连词辨析。
when，while都可表示“…… 时候”；when引导的从句，谓语动词既可以是延续性动词，也可以是非延续性动词；while引导的从句，谓语动词必须是延续性动词，而不能是非延续性动词；as表示“在……期间”“随着”；before“在……之前”，常与过去时，一般现在时等连用。
根据句意语境，可知她一边走一边回头看，as切合句意，故选B。
2．—I’m going to the post office.—________you are there, can you get me some stamps?A．When B．While C．Because D．If【答案】B【解析】试题分析：A. As 一边…一边，作为 B. While当…时候 C. Because 因为 D. lf假如；句意：我将要去邮局。
你去那里的时候，能不能给我带一些邮票呢？故选B考点：连词点评：连词在中考中涉及到的很多，尤其在宾语从句、状语从句、定语从句中连词是必考点。
平时学习过程中，掌握连词的意思，及所表示的关系是至关重要的，这种关系的判断可以通过句子意思的理解来选择恰到的连词。
3．_______it’s a public holiday today, some firefighters in our city are still on duty. A．Although B．Once C．If【答案】A【解析】【详解】句意“尽管今天是公共节假日，但是我们城市的一些消防员仍然在岗位值班”。
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初中英语语法状语从句讲解专项练习及答案1. 易混引导词while, when, as的区别：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。
如：When he came in, his mother was cooking.When (While) we were at school, we went to the library every day.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。
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。
在将来时从句中，常用when，且从句须用一般时代替将来时。
①You shall borrow the book when I have finished reading it．在我读完这本书后，你可以借阅。
②When the manager comes here for a visit next week，Ill talk with him about this．下周，经理来这参观时，我会和他谈谈此事。
when用于表示“一……就……”的句型中（指过去的事情）。
sb．had hardly（＝scarcely）done sth．when．．．＝Hardly ／Scarcely had sb．done sth．when．．．①I had hardly／scarcely closed my eyes when someone knocked at the door．＝Hardly／Scarcely had I closed my eyes when someone knocked at the door．我刚一闭上眼，就有人在敲门了。
②I had hardly／scarcely entered my room when the telephone rang．＝Hardly ／Scarcely had I entered my room when the telephone rang．我刚一走进房门，电话就响了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．su ch…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。
其结构如下：1) such + a (n)+ 形容词+单数可数名词+that……2) such+形容词+复数可数名词+that ……3) such +形容词+不可数名词+that……。
如：This was such a good film that I went to see it several times.It was such good books that they sell well.It was such bad weather that I had to stay at home.He spoke so fast that I couldn't follow him.He is such a lovely boy that we all like him.=He is so lovely a boy that we all like him.注：在"形容词+可数名词复数/不可数名词"结构中，当名词前有many, much, few, little 表示数量的多少时，名词前用so。
如：She made so many mistakes that she didn't pass the exam.so that 既可以引导目的状语从句又可以引导结果状语从句引导目的状语从句时可译为"为了" ,引导结果状语从句时可译为"以便" 如I speak loudly so that all the students can hear me clearly.(目的状语从句)Maria likes the woolen dress so that she decides to buy it immediately .(结果状语从句)(1)so that引导目的状语从句时 表示―以便 为了‖ 从句中常使用can /could /may /might /will /would /should等情态动词或助动词 引导结果状语从句时 从句中一般不用can和may 等词。
(2)So that引导的目的状语从句之前不用逗号 而so that引导的结果状语从句与主句之间往往有逗号相隔开 即略作停顿 意思是―因此;所以‖。
请比较He worked hard at his lessons so that he could gain high grades in the exams.他努力学习功课 争取考试能获得好成绩。
选择合适的连接词，完成下列句子。
1.Jim spends a lot of money on books______he is not rich.2.Kate fell into sleep ______she was listening to the music.3.----Is David at school today?----No. He is at home ______he has a bad cold.4.We won't have supper ______my mother comes back.5.Speak to him slowly ______he may understand you better.6. ______ she doesn't come on Sunday, I'll go fishing by myself.7.It is four years ______I had left that small village.8. ______the air moves, it is called wind.9.We will go to the park ______it doesn't rain tomorrow.10.______little boys did ______much work.11.There are few new words in the passage ______we can't understand it.12.Go back ______you come from.13.He reached the station ______the train had left.14.----Do you have a swimming pool?----No, we don't. At least, not ______big ______yours.15.Give me your paper ______you have finished it.16.It is raining hard, ______we have to stay at home.17. ______you work harder, you'll never pass the final exam.18.Look after the children ______I am out.19.The village is ______far away ______I can't get there on foot.20.That is ______an interesting book ______I can't stop reading it.能力提高练习1( ) 1 The meeting didn't start___ everyone was there.A. because B. until C. why D. if ( ) 2 The boy ___ to bed ___ his mother came in.A. went not; untilB. didn't go; afterC. went; untilD. didn't go; until( ) 3 I won't believe you___ I have seen it with my own eyes.A. beforeB. untilC. afterD. when( ) 4 He ___ home ___ she was satisfied ___ his answer yesterday.A. didn't go; until; withB. wasn't go; after; toC. doesn't go; before; withD. didn't go; until; to( ) 5 He ___ back until the work ___ done.A. isn't; will beB. isn't; isC. won't be; will beD. won't be; is( ) 6 They didn't start the work ___ their teacher came back.A. untilB. whileC. as soon asD. if2( ) 1 Tom will call me as soon as he ___ Shanghai.A. arrivesB. will reachC. arrives inD. get to( ) 2 I'm sure he'll come to see me before he ___ Beijing.A. will leaveB. is leavingC. leaveD. leaves( ) 3 I will tell him the news as soon as he___ back.A. comeB. comesC. will comeD. came3( ) 1 Tom has got a watch. He ___ it for two years. It _______ by his father.A. has bought; was boughtB. has got; is bought ,C. was bought; has bought .D. has had; was bought "'( ) 2 When he got to the station, the train ___.A. leftB. had leftC. leavesD. has left( ) 3 The boy told his father what he ___ in the street.A. sawB. have seenC. had seenD. see( ) 4 We ___ TV when the telephone ____.A. watched; was ringingB. were watching; rangC. watch; ringsD. are watching; rang( ) 5 By the end of last term, I___ ten books.A. had finished readingB. have finish readingC. had finish to readD. finish read4( ) 1 I ___ you for a long time. Where ___ you ___?A. didn't see; did; goB. didn't see; have; goneC. haven't seen; have; beenD. haven't seen; have; gone( ) 2 Tom___ China for 3 years.A. has beenB. has been inC. has been toD. has been at( ) 3 I won't go to see the film tonight, because I ___ my ticket.A. lostB. have lostC. will loseD. didn't lose( ) 4 -Hello! May I speak to Bob?-Sorry, but he ___ for a month.A. had been awayB. was leftC. leftD. has been away( ) 5 I ___ him since I began to live in the city.A. knowB. have knownC. knewD. will know( ) 6 Zhao Lan ___ already ___ in this school for two years.A. was; studyingB. will; studyC. has; studiedD. are; studying5( ) 1 Betty didn't go to see the film yesterday ___ she was ill.A. becauseB. butC. untilD. if( ) 2 May I sit nearer___I can see more clearly?A. as ifB. so thatC. even ifD. so( ) 3 ___ you work hard, you will certainly succeed.A. ThoughB. IfC. BecauseD. For( ) 4 ___ he came to study in the university, he has made much progress in the study of English.A. WhileB. WhenC. SinceD. After( ) 5 I'd like to go swimming _____ the water is not too cold.A. forB. unlessC. ifD. whether6( ) 1 There are ___ many league members in class 2 ___ in Class 4.A. both; andB. 'so; thatC. either; orD. as; as( ) 2 -Do you have a big library?-No, we don't. At least, not___yours.A. as big asB. as big thanC. as bigger thanD. bigger as( ) 3 Suzhou is not ____ beautiful ____ Hangzhou.A. as; thanB. so; asC. even; thanD. /; than( ) 4 Iron is more useful ___ any other metal.A. asB. thanC. thenD. so7( ) 1 I want to know ___ she is going to see a film.A. ifB. thatC. whatD. which( ) 2 You are sure to pass the exam ___ you study hard.A. ifB. thoughC. thatD. since( ) 3 I'll go to see the film with you___I have time this evening.A. whetherB. soC. ifD. when( ) 4 ___ you study harder, you'll never pass the final exam.A. IfB. UntilC. UnlessD. Except8( ) 1 Although it was raining, o o still worked in the fields.A. but theyB. and theyC. theyD. and yet they( ) 2 ___ there were only five soldiers left at the front, ___ they went on fighting. A. Because; so B. If; and C. Though; but D. Though; /( ) 3 ___ she is very old, ___ she can still work eight hours a day.A. Because; soB. Though; butC. As; yetD. Though; yet9( ) 1 Please answer the question in a loud enough voice ___ all the class may hear.A. so, thatB. orC. in order thatD. and( ) 2 Lift it up___I may see it.A. thoughB. so thatC. asD. than( ) 3 I hurried___I wouldn't be late for class.A. soB. so thatC. ifD. unless( ) 4 We should go by bus ___ we can get there earlier.A. as soon asB. whereC. in order thatD. as10( ) 1 The dictionary is so expensive ___ I can't buy it.A. becauseB. whenC. thatD. if( ) 2 I got there ___ late ___ I didn't see him.A. too; toB. such; thatC. so; thatD. so; as( ) 3 It is ___ hot in the room ___ we have to go out for a walk.A. such; thatB. so; thatC. as; asD. such; as( ) 4 He has___ an interesting book that we want to read it.A. soB. suchC. the sameD. as2012年全国各地中考英语真题分类汇编—状语从句1. We'll go for a picnic if it ________ this Sunday.— Wish you a lovely weekend.A. rainB. doesn't rainC. won't rain2. Teresa is ________ nervous ________ she can't talk in front of the class.A. such, thatB. too, toC. so, that3. -- What's your plan for the summer holidays?--I'll go to Beijing_____ the school term ends.A. in order thatB. so thatC. as soon asD. even though4. — We'll go for a picnic if it ____ this Sunday.— Wish you a lovely weekend.A. rainB. doesn't rainC. won't rain5.I think _____ not difficult _____ English every morning．A. that; keep reading B．it's; keep readingC. that; to keep reading D．it; to keep reading6. -- We'll go for a picnic if it _______ this Sunday.-- Wish you a lovely weekend.A. rainB. doesn't rainC. won't rain7. There will be a flower show in the park________ we visited last week.A. whoB. whenC. whatD. which8. — If our government _____attention to controlling food safety now, our health _____in danger.A. won't pay, isB. doesn't pay, isC. won't pay, will beD. doesn't pay, will be9. —Excuse me Could you wake me up when my friend____ here?—Of course. But we still don't know when your friend _____ here.A. comes; will comeB. comes；comesC. will come; comesD. will come；will come10. —Do you have Jay's CDs?—Sorry, they are _____. But we'll get some more next week because they _____.A. sold well；are on saleB. sold out；sell wellC. selling well; sell wellD. for sale; sell well11. —Why is Harvey's mother so happy?—Because only three students _____, _____ his son Harvey.A. failed the exam; besidesB. made progress; exceptC. made progress; includingD. passed the exam; without12. —I want to know when Mr. Brown will arrive.—When he ________ , I will tell you.A. will arriveB. arrivedC. arrives13. —I like drinking wine. But people who drink wine aren't allowed to drive.—If I ________ you, I would give up ________ wine.A. were; drinkingB. am; drinkingC. were; drinkD. was; to drink14. ________ I was in the US, I made a lot of American friends.A. WhileB. AlthoughC. UnlessD. Until15. What would happen if he ______ back home?A. goB. goesC. went16. If a polar bear _____, it _____fish from the water.A. will be hungry; catchesB. is hungry; will catchC. is going to be hungry; catchesD. is hungry; won't catch17. We Will go for a picnic if it _______tomorrow.A. doesn't rainB. wasn't rainyC. won't rainD. wasn't raining18.-Do you know if we will go for a picnic this Saturday?-I think we will if we ________ any classes.A. won ' t haveB. didn't' t haveC. don't haveD. aren ' t having19.The bus driver always says to us ,―Don't get off________ the bus stops.‖A. whenB. while C .until D. if20. – Excuse me, can I interview Mr. Miller this afternoon?-- A moment, please. Let me check ______ .A. if Mr. Miller will be freeB. when will Mr. Miller have timeC. if Mr. Miller had an appointmentD. when does Mr. Miller come back21. ________ he has little knowledge, the old worker has a lot of experience.A. Although.B. Because.C. If22. —Do you have any problems if you ________ five minutes to read?—Well, I'm thinking about the new words. There are too many.A. giveB. are givenC. will be given巩固练习答案Keys:1.though（表让步）2.while（表时间段）3.because（直接原因）4.until（直到）5.so that（表目的）6.Even if（即使，表让步）7.Since（自从，时间状语）8.When（当。