初中英语知识点总结:让步和比较状语从句

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让步、比较状语从句+语法考点总结(讲义) 中考英语+二轮复习语法专题

让步、比较状语从句+语法考点总结(讲义) 中考英语+二轮复习语法专题

九年级中考英语二轮复习【语法专题】让步、比较状语从句语法考点总结(讲义)01让步状语从句让步状语从句,一般是意思为“尽管”“即使”等退一步讲的从句。

常见的引导词有:though/although(尽管,即使),as(虽然,尽管),even if/even though(即使),whoever (无论谁),whatever(无论什么),whichever(无论哪个), whenever(无论何时),wherever(无论哪里),however(无论怎样),no matter who(what,which,when,where,how)(无论谁/什么/哪个/何时/哪里/怎样),whether(不管,无论),while(虽然,尽管)等。

though/although意为“虽然,纵然”,一般情况下可互换使用。

though较口语化,although较正式,常位于句首,都不能与but连用,但可与yet,still连用。

Although/Though the house is really dear, we still bought it.虽然这房子真的很贵,但我们还是买了。

Although/Though we are tired of him, we still have to work with him.尽管我们很厌烦他,但我们还是要和他在一起工作。

Although/Though the deadline is due, the task isn’t yet finished.尽管截止日期到了,但任务还没有完成。

as引导的让步状语从句必须要用倒装语序,从句的表语、状语或谓语常放在句首。

此时的从句也可用though,但不能用although,as的语气强于though。

从句的结构为:形容词/副词/名词(不带冠词)/动词(原形)+ as +主语 + 谓语。

Smart as she is, no one likes her.尽管她很聪明,但没有人喜欢她。

初中英语语法---状语从句小结

初中英语语法---状语从句小结

初中英语语法—-—状语从句小结状语从句是一种作状语用的从句,修饰主句的动词、形容词、副词或修饰全句,补充说明时间、地点、原因、条件、方式、程度、状态等。

根据它表达的意思的不同,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、比较状语从句、目的状语从句、结果状语从句等.时间状语从句、条件状语从句、结果状语从句、原因状语从句都是中考的重点。

一、时间状语从句时间状语从句表示主句动作发生的时间,引导时间状语从句的连词有when,as, while, before, after,as soon as,till,until,since等。

until 用于肯定句中,表示句子的动作一直持续到until短语所表示的时间为止,即表示动作的终点。

一般可译为“直到……时(为止)”或“在……以前”。

在这种用法中,句子的谓语动词必须是持续动词(非瞬间动词),如live,wait,last, love,like,stay, work, continue等。

until 用于否定句中,表示句子的动作直到until短语所表示的时间才开始发生,即表示动作的起点。

一般译为“直到……才”或“直到……之前(……还不)”eg. It may last until Friday。

这可能要延续到星期五.用于否定句中:eg。

The secret was never told until after the old man’s death.这个秘密在老人去世后才说出来。

连词until以同样的方式分析作连词的until的用法。

作连词用的until的英文释义是up to the time when(直到……时为止)。

作连词的until用于肯定句中,表示主句的动作一直持续到从句动作发生或状态出现时为止。

一般可译为“……直到……为止”。

在这种用法中,主句的谓语动词必须是持续动词(非瞬间动词),如live, wait , last, love, like,stay, work, continue 等。

初中英语从句类型总结

初中英语从句类型总结

初中英语从句类型总结从句是一个句子在句子中充当特定成分的句子。

它们可以在复合句中充当主语、宾语、定语或状语。

学好英语从句是初中英语的重要内容,也是学生提高英语语言能力的关键。

下面是对常见的英语从句类型进行总结,以帮助初中学生更好地理解和运用。

一、名词性从句:名词性从句在句子中充当名词的成分,可以作主语、宾语、表语或补语。

1. 主语从句:主语从句作为主句的主语,一般以连词that引导,也可以以whether或if引导。

例句:Whether he will come to the party is still unknown.2. 主语从句的特殊情况:- 在it is/was + adj. + that从句这种结构中,that从句充当主语。

例句:It is important that we learn from our mistakes.- 有时从句的结构较长或复杂,为避免过多的that,常用it作形式主语,真正的主语是从句。

例句:It is said that he has won the first prize in the competition.3. 宾语从句:宾语从句作为及物动词的宾语,由连词that引导,也可以以whether 或 if引导。

例句:I don't know if he will come to the party.4. 表语从句:表语从句用来说明主语的身份、性质、状态等,由连词that引导。

例句:The fact that he was absent from the meeting surprised everyone.5. 同位语从句:同位语从句用来解释或说明一个名词或代词的具体内容,由连词that引导。

例句:The news that he has passed the exam excited his parents.二、形容词性从句:形容词性从句用来修饰名词或代词,由关系代词who、whom、whose、which或关系副词where、when、why、how引导。

状语从句知识点详解(初中英语专项复习)14

状语从句知识点详解(初中英语专项复习)14

状语从句知识点详解(初中英语专项复习)状语从句的概念: 用一个句子作状语来修饰动词和形容词,以表明动作发生或状态存在的时间、地点、原因等,这个句子就叫做状语从句。

状语从句的分类:状语从句共分为九大类,包括:时间、地点、原因、条件、让步、目的、结果、方式、比较状语从句。

下面分别讲解:一、时间状语从句概念:用来表示时间的状语从句,由when, while, as, till, until,before, after, since等引导。

由于时间状语从句的引导词所表示的意思并非一致,不同引导词表达不同的时间,它们在句子中对应的时态、语态等也有所不同。

例如:when /while引导的时间状语从句when引导的从句的谓语动词通常是瞬间动词,也可以是延续性动词。

从句动作可与主语动作通常先后发生也可同时发生。

I was writing when my sister came back.( come是瞬间动词,只能用when引导,不能用while)He often wrote me when/while he studied in Shanghai International Studies University.( study 是延续性动词,while可代替when)While my mother was cooking , I was playing chess with dad. (cook是延续性的动词,cook和play同时发生)I like playing chess while my sister likes reading stories.我喜欢下棋,而我姐姐喜欢看小说。

(while表示对比)when和while的区别还有:while引导的时间状语从句多用于进行时态,而when引导的时间状语从句多用于一般时态。

While we were playing games, our headmaster called me .我们正在做游戏的时候,校长叫我了。

初中英语知识点总结让步和比较状语从句初中英语状语从句讲解

初中英语知识点总结让步和比较状语从句初中英语状语从句讲解
We’ll make a trip even if/though the weather is bad. 即使天气不好,我们也要作一次旅行。
4、whether...or...表示“不论是否……”,“不管是……还是……”之意。由这一个复合连词引导的让步状语从句旨在说明正反两方面的可能性都不会影响主句的意向或结果。例如:
1、though, although表示“虽然,纵然”之意。这两个连词意思大致相同,在一般情况下可以互换使用。在口语中,though较常使用,although比though正式,二者都可与yet, still或never,the less连用,但不能与but连用。例如:
Although/Though he is very old, (yet) he is quite strong. 他虽然年纪大了,身体还很健壮。
值得注意的是,although引导的让步状语从句位于主句之前的情况较多,though引导的让步状语从句可位于主句之前或主句之后。
2、as,though表示“虽然……但是”,“纵使……”之意。as引导的让步状语从句必须以部分倒装的形式出现,被倒装的部分可以是表语、状语或动词原形,though也可用于这样的结构中,但although不可以这样用。例如:
内容仅供参考
但“no matter+疑问词”结构只能引导让步状语从句,而“疑问词-ever”还可以引导名词性从句。例如:Whatever (=No matter what) you say, I won’t believe you. (Whatever 引导让步状语从句)无论你说什么,我都不会相信你。
I"ll eat whatever (≠no matter what) you give me. (whatever引导宾语从句)你给我吃什么,我就吃什么。

初中英语语法之状语从句类型及考点讲义

初中英语语法之状语从句类型及考点讲义

初中英语语法之状语从句类型及考点讲义状语从句概念解析状语从句指句子用作状语时,起副词作用的句子,可以修饰谓语、非谓语动词、定语、状语或整个句子,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,是英语复合句学习的一个重点,在各类考试中都会经常出现,这次就来给大家讲解一下什么是状语从句。

1. 时间状语从句:常用引导词:when, as, while, as soon as, 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 … when instantlyI ran into the classroom as soon as the bell rang.2. 地点状语从句:常用引导词:where特殊引导词:wherever, anywhere, everywhereWherever the sea is , you will find seamen.3. 原因状语从句:常用引导词:because=in that, since=now that, as, for特殊引导词:seeing that, now that, in that, considering that, given thatI 'm late because I didn't caught the bus.4. 目的状语从句:常用引导词:so that, in order that特殊引导词: for fear that(唯恐/生怕),in the hope that, for the purpose that, to the end thatYou should book the hotel in advance so that the travel will be more easy.5.结果状语从句:常用引导词:so … that, such … that特殊引导词:such that, to the degree that, to the extent that, to such a degree thatHe is so young that he can't have meal by himself.6. 条件状语从句:常用引导词:if, unless,特殊引导词:as/so long as(只要), only if, providing/provided that(倘若), supposing that(倘若), in case that(以防), on condition thatYou can go to London as long as you have passport.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,no matter …, in spite of the fact that, whatever, whoever, wherever, whenever, however, whichever, as if=as thoughThough we are old, we still can do these by ourselves.8. 比较状语从句:常用引导词:as(同级比较), than(不同程度的比较)特殊引导词:the more …the more …; just as …,so…,no … more than; not A so much as BShe is as pretty as her mother.9. 方式状语从句:常用引导词:as, as if, how特殊引导词:the wayHe didn't so it the way his brother did.辨析:while,when,as三者引导的时间状语从句时间状语从句算是状语从句中最简单的一类,也是我们日常生活交流中最常用的一类,虽然难度不大,但引导词也不少,仍然有不少同学会弄混那几个常见引导词的用法,这次就为大家带来as,when,while这几个词的辨析方法,一起看看吧。

比较、让步、地点状语从句讲解和练习(答案)(可编辑修改word版)

比较、让步、地点状语从句讲解和练习(答案)(可编辑修改word版)

比较状语从句通常由as…as, 比较级+ than…等连词引导。

句型:1、A+ be +as + 原级+ B2、A+ be +比较级+ than + B例如:This classroom is as big as that one. This classroom is not as big as that one.This classroom is bigger than that one. This classroom is not bigger than that one. 小试牛刀:There are many league members in class 2 in Class 4.Suzhou is not (beautiful) Hangzhou.Iron is (useful)any other metal.●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.(2) 注意体会汉语和英语某些地方的不同,在英语中的although 和but 不能同时使用,但可以与yet 连用。

例如:Although he is a foreigner ,he likes China very much.He is a foreigner, but he likes China very much.(3)in spite of +名词或动名词,表示“尽管”例如:Although I was tired, I couldn’t fall asleep.. 尽管很累,但是我睡不着。

=In spite of being tired, I couldn’t fall asleep.小试牛刀:1. Although it was raining, still worked in the fields.A. but theyB. and theyC. theyD. and yet they2. there were only five soldiers left at the front, they went on fighting.A. Because; soB. If; andC. Though; butD. Though; /3. she is very old, she can still work eight hours a day.A. Because; soB. Though; butC. As; yetD. Though; yet4. being poor, he often gives some money to the poor.A. BecauseB. ThoughC. AsD. In spite of●地点状语从句(1)地点状语从句常常由where 来引导。

状语从句与让步句型

状语从句与让步句型

状语从句与让步句型状语从句与让步句型是英语语法中常见的句子结构,它们能够增强句子的表达能力和语言的多样性。

在本文中,我们将深入探讨状语从句与让步句型的用法和特点。

一、状语从句的定义与用法状语从句是一个附加在主句中作状语的从句。

它可以修饰或限制主句的动作、状态或者表达时间、原因、条件、目的、结果等等。

状语从句通常使用连词来引导,如when、while、since、after、until等。

1. 时间状语从句时间状语从句描述一个动作发生的时间,引导词常见的有when、while、before、after、since等。

例如:When I was young, I used to play football all day long.2. 原因状语从句原因状语从句描述一个动作或状态发生的原因,引导词常见的有because、since、as、for等。

例如:Because it was raining, we decided to stay indoors.3. 条件状语从句条件状语从句描述一个条件下发生的动作或状态,引导词常见的有if、unless、provided that等。

例如:If you study hard, you will pass the exam.4. 目的状语从句目的状语从句描述一个动作的目的,引导词常见的有so that、in order that等。

例如:He worked hard so that he could buy a new car.5. 结果状语从句结果状语从句描述一个动作的结果,引导词常见的有so...that、such...that等。

例如:He was so tired that he fell asleep immediately.二、让步句型的定义与用法让步句型指的是表达一个条件下仍然发生的动作或情况。

常见的让步连词有although、though、even though、despite、in spite of等。

原因,比较,条件,目的,让步状语从句

原因,比较,条件,目的,让步状语从句

as 表示虽然的时候,要进行倒装;
Child as/though he is , he can live by himself.
eg:Although/though she works very hard ,she makes very little progress.
Hard as she works, she makes very little progress.
As long as it doesn't rain, we can play.
You can go out on condition that you wear an overcoat.
Modern cars are far tougher to steal, as their engine management computer won't allow them to start unless they receive a unique ID code beamed out by the ignition (点火) key.
He looks as if (as though) he had been hit by lighting.
(与事实相反,谓语用虚拟语气。)
It looks as if the weather may pick up very soon.
(实现的可能性较大,谓语用陈述语气。)
He is absent today, because / for he is ill.
He must be ill, for he is absent today.
now that :既然;
in that :因为,通常只能放在句中,强调重要的,唯一的的原因;

让步状语从句知识点归纳

让步状语从句知识点归纳

让步状语从句知识点归纳一、 概念:让步状语从句是语法上最强调让步关系的一种状语从句,是连接主句和从句的连词通常是though,although,even if/though,no matter (how)等。

二、 句式分类:1、直接让步:though,although,even if/though,no matter(how)2、间接让步:in spite of,despite,regardless of3、比较让步:however,whatever,whichever,wherever,whoever,whomever三、结构:让步状语从句和定语从句的结构是一样的,都是由主语+谓语动词+其他成分构成。

但当让步状语从句中的主语和主句的主语相同时,让步状语从句的谓语动词就可以省略,只留下主语和其他成分。

四、用法:1、作状语:让步状语从句可以作状语,表示对主句的让步,强调从句中的事实,使用though, although, even if/though, no matter(how) 等连接,表示主句中的事情比较强烈,但从句中的事情仍然存在。

2、作宾语:让步状语从句可以作宾语,表示对主句的让步,强调主句中的事实。

此时,通常由in spite of, despite, regardless of来引导。

3、作定语:让步状语从句可以作定语,表示对主句中的定语进行让步,此时,一般用however, whatever, whichever, wherever, whoever,whomever等来引导。

五、特殊情况:1、如果让步状语从句主语和主句的主语相同,那么让步状语从句的谓语就可以省略,只留下主语和其他成分。

2、有时候,让步状语从句主语和主句的主语不一定相同,也可以省略谓语动词,只留下主语和其他成分,但这种情况比较少见。

3、如果让步状语从句是一个主句,且主句的谓语动词为实义动词,则不能省略谓语动词。

初中英语:状语从句所有知识点归纳

初中英语:状语从句所有知识点归纳

第十七章状语从句知识点1状语从句的分类知识点2时间状语从句的用法知识点3地点状语从句和条件状语从句的用法知识点4原因状语从句和让步状语从句的用法知识点5比较状语从句和方式状语从句的用法知识点6目的状语从句和结果状语从句的用法知识详单知识点1状语从句的分类知识点2时间状语从句的用法知识点3地点状语从句和条件状语从句的用法知识点4原因状语从句和让步状语从句的用法知识点5比较状语从句和方式状语从句的用法知识点6目的状语从句和结果状语从句的用法考点突破考点1考查时间状语从句的用法1.(龙东中考)-Henry, please call us as soon as you _______ Hawaii.-OK. I'll do that, Mom.A. arrive inB. are arriving inC. will arrive at【解析】选择A as soon as结构意为“一……就……,”引导时间状讲从句,主句为祈使句,从句用一般现在时表示将来。

Hawaii 为大地点.因此用in.考点2考查地点状语从句的用法2.(扬州中考)-My friend has achieved his goal after years of hard work.--- Great.A·One tree can make a forest B. Where there is a will,there is a way C. Many hands make light work D. A friend in need is a friend indeed【解析】选B 第一个人阐述自己的朋友经过多年努力实现目标.,第二个人表示祝贺,同时,发表自己对此事的看法。

应该是“有志者,事竟成”.该句是where引导的地点状语从句。

考点3考查条件状语从句的用法3.(十堰中考)_________ deal with our problems, we can easily become unhappy.A. UntilB. IfC. UnlessD. Though【解析】选C。

状语从句知识点总结

状语从句知识点总结

状语从句知识点总结状语从句是指在复合句中起状语作用的从句。

它可以用来表示时间、原因、条件、目的、结果、让步、比较等等。

熟练掌握状语从句的使用,可以使我们的语言更加丰富和灵活。

下面对状语从句的几个重要知识点进行总结。

一、时间状语从句时间状语从句常用来表示动作发生的时间、顺序或频率。

以下是一些常见的引导时间状语从句的词:1. When(当...时候):表示动作发生的时间点。

- She was reading a book when I called her.(我给她打电话时,她正在读书。

)2. While(当...的时候):表示两个同时进行的动作。

- He was cooking while I was studying.(我在学习的时候,他在做饭。

)3. Before(在...之前):表示主句的动作发生在从句之前。

- Please finish your homework before you go out.(在你外出之前,请完成作业。

)4. After(在...之后):表示主句的动作发生在从句之后。

- They went to bed after they finished watching the movie.(他们在看完电影之后就去睡觉了。

)二、原因状语从句原因状语从句常用来表示某个动作的原因或理由。

以下是一些常见的引导原因状语从句的词:1. Because(因为):表示直接的原因。

- I didn't go to the party because I was tired.(我因为累所以没有参加聚会。

)2. Since(因为):表示已知的事实或理由。

- He was absent from work since he was not feeling well.(他因病缺勤了。

)3. As(因为):表示两个动作同时发生,前者是后者发生的原因。

- I couldn't hear the speaker as the music was too loud.(由于音乐声音太大,我听不到演讲者的声音。

(完整版)比较、让步、地点状语从句讲解和练习(答案)

(完整版)比较、让步、地点状语从句讲解和练习(答案)

比较状语从句通常由as…as, 比较级+ than…等连词引导。

句型:1、A+ be +as + 原级+ B2、A+ be +比较级+ than + B例如:This classroom is as big as that one. This classroom is not as big as that one.This classroom is bigger than that one. This classroom is not bigger than that one. 小试牛刀:There are ___ many league members in class 2 ___ in Class 4.Suzhou is not (beautiful)____ Hangzhou.Iron is (useful)any other metal.●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.(2)注意体会汉语和英语某些地方的不同,在英语中的although和but不能同时使用,但可以与yet连用。

例如:Although he is a foreigner ,he likes China very much.He is a foreigner, but he likes China very much.(3)in spite of +名词或动名词,表示“尽管”例如:Although I was tired, I couldn’t fall asleep.. 尽管很累,但是我睡不着。

=In spite of being tired, I couldn’t fall asleep.小试牛刀:1. Although it was raining, still worked in the fields.A. but theyB. and theyC. theyD. and yet they2. ___ there were only five soldiers left at the front, ___ they went on fighting.A. Because; soB. If; andC. Though; butD. Though; /3. ___ she is very old, ___ she can still work eight hours a day.A. Because; soB. Though; butC. As; yetD. Though; yet4. being poor, he often gives some money to the poor.A. BecauseB. ThoughC. AsD. In spite of●地点状语从句(1)地点状语从句常常由where来引导。

初中英语状语从句知识点总结

初中英语状语从句知识点总结

初中英语状语从句知识点总结(一)用来修饰主句中的动词,形容词或副词等而充当状语的从句叫做状语从句。

状语从句常用从属连词来引导,与主句连接起来。

若置于句末,则前面不加逗号。

根据意义和作用,状语从句可分为时间原因条件等几种。

下面我们就来分析一下这几种状语从句。

1时间状语从句时间状语从句常用从属连词when,after,until,as soon as,等来引导。

当主句是祈使句或谓语动词是一般将来时态或情态动词时,其时间状语从句中的谓语动词常用一般现在时态表示将来发生的动作或存在的状态。

这就是我们常说的“主将从现”。

如:Please call me when you get there.当你到那时,请给我打个电话。

I will write to you as soon as I arrive in Beijing.我一到北京就给你写信。

<温馨提示>since引导时间状语从句表示“自从…以来”,从句中的动词一般表示动作的起点,用过去时;而主句的动作延续的情况则用一般现在时或现在完成时。

常用的句型为:It has been/is+一段时间+since+过去时。

如:I has been/is three years since we met last time.自从我们上次见面,已经三年了。

2条件状语从句引导条件状语从句的连词或词组有:if(如果),unless(除非),as long as(只要)等。

如果主句是将来时,条件状语从句也用一般现在时来表示。

如:I will stay at home if it rains tomorrow.如果明天下雨,我就待在家。

You can’t learn English well unless you wo rk hard.除非你努力学习,否则是学不好英语的。

<温馨提示>由if引导的条件状语从句,若从句表达的是与现在事实相反的事实,则常用虚拟语气,即用过去时态表示(如果涉及到be动词,一律都用were)。

让步状语从句和比较状语从句精讲精练

让步状语从句和比较状语从句精讲精练

让步状语从句和比较状语从句精讲精练一.让步状语从句:1.让步状语从句的引导词引导让步状语从句的词主要有although, though, as, even if, even though, while, no matter+疑问词, 疑问词-ever 等。

例句:①Although it’s raining,they are still working in the field.虽然在下雨,他们仍在地理干活。

②We won’t be discouraged even if\though we fail again.即使再次失败,我们也不会泄气。

③While I am willing to help you,I do not have enough time.尽管我愿意帮你,可是我没有足够的时间④The day will come no matter how long the night is.不管黑夜有多长,白天终究会到来。

⑤Whatever happened, he would not mind.不管发生什么,他都不介意。

2.as 引导让步状语从句as 引导让步状语从句时,从句中的表语、状语以及谓语中实义动词等需提前到从句句首,而且表语若是单数名词还要去掉冠词, though 引导的让步状语从句也可以这样用,但although不可以。

例句:①Intelligent as\though she was, she had not much insight.虽然她聪明,但不是很有洞察力。

②He was unable to make much progress, hard as he tried.尽管他努力了,但未能取得很大进步。

③Teacher as he is, he didn't know everything.尽管他是老师,但也不是无所不知。

3."no matter+疑问词"与"疑问词+ever〞区别引导让步状语从句时,"no matter+疑问词"可以替换为疑问词+ever,但不是所有的疑问词-ever 都可以替换为"no matter+疑问词",因为疑问词+ever还可以引导名词性从句。

初中英语状语从句归纳

初中英语状语从句归纳

(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)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.
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.
6. 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. • (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.

初中英语九种状语从句归纳总结

初中英语九种状语从句归纳总结

初中英语九种状语从句归纳总结一、时间状语从句(Time adverbial clauses)时间状语从句用来表示一个动作或事件发生的时间。

常见的引导词有:when(当…时候)、while(当…的时候)、as(当…时候)、before (在…之前)、after(在…之后)、since(自从…以来)、until(直到…为止)、as soon as(一…就…)、whenever(无论何时)等等。

例如:- She likes to listen to music while she is cooking.(她喜欢一边做饭一边听音乐。

)- He went to bed after he finished his homework.(他做完作业后去睡觉了。

)二、地点状语从句(Place adverbial clauses)地点状语从句用来表示一个动作或事件发生的地点。

常见的引导词有:where(在哪里)、wherever(无论在哪里)等等。

例如:- I will meet you at the place where we first met.(我会在我们第一次见面的地方见你。

)三、方式状语从句(Manner adverbial clauses)方式状语从句用来表示一个动作或事件发生的方式。

常见的引导词有:as(以…方式)、as if(好像)、as though(好像)等等。

例如:- She sang the song as if she was performing on stage.(她唱歌的时候好像在舞台上表演一样。

)- He spoke English as though he was a native speaker.(他讲英语好像是母语一样。

)四、原因状语从句(Reason adverbial clauses)原因状语从句用来表示一个动作或事件发生的原因。

常见的引导词有:because(因为)、as(因为)、since(因为)、as long as(只要)等等。

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初中英语知识点总结:让步和比较状语从句知识点总结
一、让步状语从句
所谓让步,就是我们日常生活中“退一步说……”的意思,有一
种转折关系在里面。

引导让步状语从句的连词主要有以下这些:though, although,while, as; even if, even though; whether...or...; no matter+疑问词,疑问词-ever,一般翻译为
“即使……”或“即使……”,“无论……”。

用法如下:
1、though, although表示“虽然,纵然”之意。

这两个连词意思大致相同,在一般情况下能够互换使用。

在口语中,though较常使用,although比though正式,二者都可与yet, still或never,the
less连用,但不能与but连用。

例如:
Although/Though he is very old, (yet) he is quite strong. 他虽然年纪大了,身体还很健壮。

值得注意的是,although引导的让步状语从句位于主句之前的情
况较多,though引导的让步状语从句可位于主句之前或主句之后。

2、as,though表示“虽然……但是”,“纵使……”之意。

as
引导的让步状语从句必须以部分倒装的形式出现,被倒装的部分能够
是表语、状语或动词原形,though也可用于这样的结构中,但
although不能够这样用。

例如:
Hard as/ though he works, he makes little progress.
(=Though he works hard, he makes little progress.)即使他学习
很努力,但几乎没取得什么进步。

3、 even if, even though 表示“即使……”,“纵使……”之意,含有一种假设。

这两个复合连词的意思基本相同。

它们常互换使用,但意义有细微差别。

even if引导的让步从句含有强烈的假定性,
可用来表示与事实相反的假设,但不能用来描述已经发生的事实。

而even though引导让步状语从句时,是以从句的内容为先决条件的,即说话人肯定了从句的事实,表示已经发生了的事。

例如:
We’ll make a trip even if/though the weat her is bad. 即
使天气不好,我们也要作一次旅行。

4、whether...or...表示“不论是否……”,“不管是……还是……”之意。

由这个个复合连词引导的让步状语从句旨在说明正反
两方面的可能性都不会影响主句的意向或结果。

例如:
You'll have to attend the ceremony whether you're free or busy. 不管你忙不忙,都要参加这个典礼。

5、“no matter+疑问词”或“疑问词-ever”的含义为“……都……;不管……都……”它们引导的让步状语从句能够互换。

例如:
No matter what happened, he would not mind. (=Whatever happened, he would not mind.)无论发生了什么,他都不会介意的。

但“no matter+疑问词”结构只能引导让步状语从句,而“疑问
词-ever”还能够引导名词性从句。

例如:Whatever (=No matter what) you say, I won’t believe you. (Whatever 引导让步状语从句)无论你说什么,我都不会相信你。

I'll eat whatever (≠no matter what) you give me. (whatever引导宾语从句)你给我吃什么,我就吃什么。

二、比较状语从句
比较状语从句一般是指含有比较级的句子中由as或than引起的
从句。

从某种角度上说,它也是一种方式状语从句,例如:
He moves more slowly than his sister does. 他行动起来比他
妹妹慢。

He works as hard as his brother(does). 他学习和他哥哥一样努力。

常见考法
对于让步和比较状语从句的考查,多以单选和完形填空的形式,从连词的意义角度让大家选择连词。

典型例题: it is very late now, the workers are still working in the factory.
A Although
B As
C When
D If
解析:本题考查让步状语从句的连词的用法。

根据句意“即使现在很晚了,工人们仍然在工厂工作”,前后有转折关系,是让步状语从句。

误区提醒
用though/although, as 引导让步状语从句时,句中不能用but 表示转折语气。

例如:
不能说:Though he looks weak, but he is healthy.
而要说:Though he looks weak, he is healthy.
或者说:He looks weak, but he is healthy.
典型例题:Though it rained heavily yesterday, he got to school on time.
A but
B /
C and
解析:题干的意思是“即使昨天下大雨了,他还是按时到达了学校”,前后是转折关系,有同学可能会选A,但hough/although和but不能同时使用,所以选B。

答案:B。

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