专题原因和让步状语从句讲解练习
英语语法专题原因和让步状语从句(讲解+练习,无答案)
中考语法专题原因和让步状语从句（讲解+练习，无答案）原因和让步状语从句一、原因状语从句用从句来表示主句行为或事件发生的原因，这个从句就是原因状语从句。
常用引导词：because, since, as, for1、because表示人们不知道的直接的原因或理由，着重点在从句；通常用于回答why引出的疑问句，语气最强；除特别强调外，该从句一般位于主句后面；不能与so连用但是可以与so进行同义句转换。
I didn’t go aboard with her because I couldn’t afford it.我没有和她一起出国是因为费用太高。
2、as和since引导的原因状语从句多表示大家众所周知的理由，从句多位于主句之前，since译为“既然”。
如：As I didn’t know the way, I asked a policeman. 我不认识路，因而问警察。
Since traveling by air is much faster, they decided to take a plane. 既然乘飞机旅行快得多，他们就决定坐飞机。
3、for表示的理由是附加的或推断的，并非此原因，通常与主句用逗号隔开，不位于句首，如：He must be not at home, for the telephone isn’t answered.练习（一）用because, as, since, for填空1. We’ll have to go to bed early ________ we’ll start off early tomorrow.2. ________ you know all about it, tell me please.3. ________ all the seats were taken, I had to stand.4. He must be at work, ________ the light in his office is still on.5. Lily didn’t go to school ________ she was ill.二、让步状语从句常用引导词：although, though “尽管虽然”1、两者通常可互换，在口语中，though较为常见。
高中英语状语从句讲解与练习
高中英语状语从句讲解与练习高中英语状语从句一、时间状语从句1、when的用法（1）when既可引导一个持续性动作，也可引导一个短暂性动作，可用于表示主句和从句动作同时发生或从句动作先于主句动作，有时还可表示从句动作后于主句，意为“当……时候”。
（2）when在beabouttodo……when……，bedoing……when……，haddone……when……，beonone’sway……when……，beonthepointofdoing…when……等结构中作“那时突然”讲。
（3）when“既然、鉴于；尽管，虽然（位于主句之后）；如果”2、while的用法（1）则表示“当……时候”，鼓励的动作必须就是延续性的。
（2）用做同列连词，则表示相对关系“然而”。
（3）引导让步状语从句，相当于although,意为“虽然”，位于主句前。
（4）引导条件状语从句，相当于as/solongas，意为“只要”。
3、as的用法（1）则表示“当……时候”，特别强调同时出现，不所指先后。
（2）说明两种正在发展或变化的情况，表示“随着”，表示时间的推移。
（3）表示“一边……一边……”（4）强调两个动作紧接着发生。
（5）表示“虽然，尽管”（6）其他含义“正像，正如”，“做为”，“由于，因为”。
4、before的用法（1）一般意为“在……之前”“……才”，“……就”“还没有……”“免得”“不知不觉”“宁可，宁愿”，“否则，要不然”。
（2）itwillbe/was时间段before通常现在时/通常过去时。
在肯定句中，意为“多长时间之后才”；在否定句中，意为“用没法多长时间就”。
5、until和till（1）与肯定句连用，必须是延续性动词。
（2）与否定句属格，必须不为延续性动词，则表示“直至……才，在……之前不……”。
特别注意：notuntil可以用作特别强调句和倒装句强调句：itis/wasnotuntil…that…倒装句：notuntil放句首时，主句要部分倒装。
初中英语状语从句讲解及典型例题
状语从句在复合句中，用作状语的从句叫状语从句。
状语从句根据它表达的意义可以分为：时间状语从句、地点状语从句、原因状语从句、结果状语从句、让步状语从句、条件状语从句、目的状语从句、比较状语从句、方式状语从句。
（1）时间状语从句引导时间状语从句的连词或短语有：when, while, as, before, after, since, until, as soon as, once, each time, next time等。
1.When引导的时间状语从句When引导时间状语从句时，意为“当....时”，表示主句的动作与从句的动作同时或先后发生。
例：When you are doing your homework, you must be careful.Someone knocked（敲）at the door when I was sleeping.When she first saw the robot, she felt astonished（惊讶）.When Tom got home, he wept with anger.注意：when引导的时间状语从句中的动词可以是延续性的，也可以是非延续性的。
2.while引导的时间状语从句while引导的时间状语从句，意为“与...同时；在...期间”例：They entered the room while we were discussing problems.Father was cleaning the car while I was playing computer games.When she was in college, she felt in love with Mike.注意：while引导的时间状语从句中的动词必须为延续性或者表示状态的动词。
3.as引导的时间状语从句as引导的时间状语从句，表达“正当...，一边...一边...”强调主从句动作同时发生。
状语从句讲解及练习
状语从句讲解及练习初中英语状语从句讲解及专项练习状语从句指由句⼦来作状语。
它可以修饰谓语、⾮谓语动词、定语、状语或整个句⼦。
根据其作⽤可分为时间、地点、原因、条件、⽬的、结果、让步、⽅式和⽐较等从句。
状语从句⼀般由“主句+连词+从句”或者“连词+从句，主句”。
⼀、时间状语从句：由when，before，after，as soon as，since，until，not…until引导。
1. Mozart started writing music when he was four years old.当莫扎特4岁的时候，就开始写⾳乐作品。
2. He went home after he finished his homework yesterday.他昨天做完作业之后就回家了。
3. Mr. brown had worked in a bank for a year before he came here.布朗先⽣来这之前在⼀家银⾏⾥⼯作了⼀年。
4. we began to work as soon as we got there.我们⼀到那就开始⼯作。
Mr green has taught in that school since he came to china three years ago.⾃从格林先⽣三年前来到中国就⼀直在这所学校教书。
5. They walked until it was dark.他们⼀直⾛到天⿊。
6. Xia o ming didn’t leave home until his father came back.⼩明直到他爸爸回来才离开家。
⼆、条件状语从句：由连词if, unless (=if not) 引导。
1.I f it doesn’t rain tomorrow, we will go fishing.如果明天不下⾬, 我们就去钓鱼.2.You will get good grades if you study hard.如果你努⼒学习,就会取得好成绩.3.I will go to the party unless he goes there too.我不会去参加聚会的, 除⾮他也去.(如果他不去,我也不去.)4.You will be late unless you leave at once.如果你不马上⾛,你将会迟到的.(=I f you don’t leave at once, you will be late.)(主将从现)：在条件状语从句中, 当主句是将来时的时候,从句要⽤⼀般现在时.三、原因状语从句：由连词because（因为）, since, as（既然，由于）引导1.I didn’t go to school yesterday because i was ill.我昨天没去上学，因为我⽣病了。
根据英语让步状语从句讲解及练习(简化版)
根据英语让步状语从句讲解及练习(简化版)什么是让步状语从句？让步状语从句是英语语法中的一种从句类型，用于表示一种让步关系或相反的情况。
它通常由连词"although"、"though"、"even though"、"while"等引导。
让步状语从句的结构让步状语从句的结构如下所示：- 副词从句：连词 + 主语 + 谓语，例如："Although he is tired,he keeps working."- 倒装形式：连接词 + 助动词/助动词短语 + 主语 + 谓语，例如："Tired as he is, he keeps working."让步状语从句的使用方法让步状语从句用于表达与主句相反或相对的情况。
它可以用于增强论点、表示让步、引出对比等情况。
以下是一些常见的使用方法：1. 表示让步：尽管某种情况存在，但结果仍然是事实。
- "Although he was tired, he went to the party." (尽管他很累，但他还是去了聚会。
)- "Even though it was raining, they went for a walk." (尽管下着雨，他们还是去散步了。
)2. 引出对比：将两种相反的情况进行对比。
- "While some people enjoy winter sports, others prefer indoor activities." (一些人喜欢冬季运动，而另一些人则更喜欢室内活动。
)3. 增强论点：用于在陈述观点时先承认对方的观点，然后提出自己的反驳或结论。
- "Though it may be costly, investing in education is essential for future success." (尽管教育可能很昂贵，但对未来的成功来说是必不可少的。
中考英语语法专题 原因和让步状语从句讲解+练习
原因和让步状语从句一、原因状语从句用从句来表示主句行为或事件发生的原因，这个从句就是原因状语从句。
常用引导词：because, since, as, for1、because表示人们不知道的直接的原因或理由，着重点在从句；通常用于回答why引出的疑问句，语气最强；除特别强调外，该从句一般位于主句后面；不能与so连用但是可以与so进行同义句转换。
I didn’t go aboard with her because I couldn’t afford it.我没有和她一起出国是因为费用太高。
2、as和since引导的原因状语从句多表示大家众所周知的理由，从句多位于主句之前，since译为“既然”。
如：As I didn’t know the way, I asked a policeman. 我不认识路，因而问警察。
Since traveling by air is much faster, they decided to take a plane. 既然乘飞机旅行快得多，他们就决定坐飞机。
3、for表示的理由是附加的或推断的，并非此原因，通常与主句用逗号隔开，不位于句首，如：He must be not at home, for the telephone isn’t answered.练习（一）用because, as, since, for填空1. We’ll have to go to bed early ________ we’ll start off early tomorrow.2. ________ you know all about it, tell me please.3. ________ all the seats were taken, I had to stand.4. He must be at work, ________ the light in his office is still on.5. Lily didn’t go to school ________ she was ill.二、让步状语从句常用引导词：although, though “尽管虽然”1、两者通常可互换，在口语中，though较为常见。
高中英语状语从句用法解析(含练习和答案)
高中英语状语从句用法解析英语语法状语从句类型综述状语从句主要用来修饰主句或主句的谓语。
一般可分为九大类，分别表示时间、地点、原因、目的、结果、条件、让步、比较和方式。
尽管种类较多，但由于状语从句与汉语结构和用法相似，所以理解和掌握它并不难。
状语从句的关键是要掌握引导不同状语从句的常用连接词和特殊的连接词即考点。
现分别列举如下: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, inasmuch as, insomuch asMy friends dislike me because I’m handsome and 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 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,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 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 …，in spite of the fact that, while, whatever, whoever, wherever, whenever, however, whicheverMu ch 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。
高考状语从句讲解和练习题
⾼考状语从句讲解和练习题定义——在复合句中由从句表⽰的状语称作状语从句，状语从句由从属连词引导，也可以由⼀个起连词作⽤的词组引导，有时甚⾄不需要连词⽽直接和主句连接起来。
类型——时间、地点、原因、结果、条件、⽬的、让步、⽅式、⽐较状语从句。
1.引导词when, while, as, as soon as, once, before, after, every time, each time, since, whenever, ever since, until ,till等。
2.whenever, each time, every time的⽤法。
注：whenever=no matter whenevery time / each time 每次，whenever 每当······时，表⽰习惯性、经常性的动作。
Whenever we met with difficulties, they came to help us.Each time he came to town he would visit our school.Eevery time I went to his house, he was out.注：whenever=no matter whenwhenever既可以引导时间从句也可引导名词性从句，no matter when只可以引导时间状语从句。
It does not matter whenever the party begins.3.before的汉英表达1）before的基本含义是“在·····以前”The train had left before he got to the station.注意：与before对应的是after引导的时间状语从句，表“在·····之后”。
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原因和让步状语从句
一、原因状语从句
用从句来表示主句行为或事件发生的原因，这个从句就是原因状语从句。
常用引导词：because, since, as, for
1、because表示人们不知道的直接的原因或理由，着重点在从句；
通常用于回答why引出的疑问句，语气最强；
除特别强调外，该从句一般位于主句后面；
不能与so连用但是可以与so进行同义句转换。
I didn’t go aboard with her because I couldn’t afford it.我没有和她一起出国是因为费用太高。
2、as和since引导的原因状语从句多表示大家众所周知的理由，从句多位于主句之前，since译为“既然”。
如：
As I didn’t know the way, I asked a policeman. 我不认识路，因而问警察。
Since traveling by air is much faster, they decided to take a plane. 既然乘飞机旅行快得多，他们就决定坐飞机。
3、for表示的理由是附加的或推断的，并非此原因，通常与主句用逗号隔开，不位于句首，如：
He must be not at home, for the telephone isn’t answered.
练习
（一）用because, as, since, for填空
1. We’ll have to go to bed early ________ we’ll start off early tomorrow.
2. ________ you know all about it, tell me please.
3. ________ all the seats were taken, I had to stand.
4. He must be at work, ________ the light in his office is still on.
5. Lily didn’t go to school ________ she was ill.
二、让步状语从句
常用引导词：although, though “尽管虽然”
1、两者通常可互换，在口语中，though较为常见。
I can look after myself, although it won’t be easy for me. 我还是可以照顾自己的，虽然这对我来说并不容易。
Although Kevin is alone, he is very happy at first. 尽管凯文独自一人（在家），但他刚开始还是挺高兴的。
He went on fighting, though he was wounded. 尽管受了伤，他还是继续战斗。
2、although/though和but不能用在同一个句子中；如：
I do not often make dinner, but I can cook. 我不经常做饭，但是我会做。
Although I do not often make dinner, I can cook. 虽然我不经常做饭，但是我会做。
3、though可用作副词，放在句尾。
It’s hard work, I enjoy it, though. 这是件艰难的工作，可是我还是喜欢它。
I’ve a bit of headache. It’s nothing much, though. 我有一点头痛，不过并不厉害。
He said he would come, he didn’t, though. 他说他要来，可是他并没有来。
4、no matter who = whoever 无论谁
no matter whom = whomever 无论谁
no matter what = whatever 无论什么
no matter which = whichever 无论哪一个
no matter whose = whosever 无论谁的
no matter when = whenever 无论什么时候
no matter where = wherever 无论哪里
no matter how = however 无论如何、无论多么。