中考状语从句之原因、结果、目的状语从句:知识点+习
- 格式:docx
- 大小:69.47 KB
- 文档页数:11
状语从句知识点详解(初中英语专项复习)一个句子做整句话的状语,这个句子就叫做状语从句。
状语从句根据从句在整句中表示的含义不同又可细分为时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句、让步状语从句、比较状语从句、方式状语从句等。
接下来我们重点复习几类状语从句。
一、时间状语从句定义和特征英语里如果用从句来表达一件事情或者一个动作发生的时间,那么这个从句就叫时间状语从句。
时间状语从句通常由when, while, as, before, after, since, as soon as, till/until等词引导。
【特征】含有时间状语从句的复合句,如果主句用一般将来时,从句用一般现在时表示将来。
(主将从现)—Daddy, when will we go out to fly a kite?—As soon as the rain _____.A. is stoppingB. stoppedC. will stopD. stops【答案】D【解析】句意:——爸爸,我们什么时候出去放风筝?——雨一停下(我们就去)。
as soon as 一……就……,引导时间状语从句,主句用一般将来时,从句用一般现在时。
故选D。
几种常见时间状语从句。
when引导:when表示“当……时候”。
既可表示在某一时间点发生的事,又可表示在某一时间段发生的事。
主句与从句描述的动作或事情可以是同时发生,也可以先后发生。
When I got home, I found my baby girl singing in the living room.当我到家时,我发现我的小女儿正在客厅里唱歌。
Things were different when I was a child.我小时候情况与现在不同。
【注意】when从句中的谓语动词可以是延续性动词,也可以是短暂性动词。
while引导:while表示“当……时候;在……期间”。
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。
状语从句知识点大总结一、状语从句的定义状语从句是一个句子,它在句子中作状语,修饰主句中的动词、形容词、副词等,用以表示时间、条件、原因、目的、结果、比较等不同的状态。
状语从句通常由连词引导,常用的连词包括when, while, as, since, before, after, until, if, unless, although, though, as if, as though, so that, in order that, in case, even if等。
二、状语从句的分类1. 时间状语从句时间状语从句表示动作发生的时间,常用的引导词有when, while, as, before, after, since, until, as soon as等。
例如:- When I was young, I used to go swimming every day.- I will call you as soon as I arrive.2. 条件状语从句条件状语从句表示条件,常用的引导词有if, unless, provided that, as long as等。
例如:- If it rains tomorrow, we will stay at home.- I will go out unless it is raining.3. 原因状语从句原因状语从句表示原因,常用的引导词有because, since, as, for等。
例如:- Since it is raining, we can't go out.- I won't go to the party because I don't feel well.4. 目的状语从句目的状语从句表示目的,常用的引导词有so that, in order that, lest等。
例如:- I study hard so that I can get a good job.- We left early in order that we might avoid the traffic.5. 结果状语从句结果状语从句表示结果,常用的引导词有so...that, such...that等。
初中英语知识点归纳状语从句的分类和用法状语从句是英语语法中重要的一部分,它用来修饰主句的动作或描述情况的,在句子中起着状语的作用。
状语从句分为时间状语从句、条件状语从句、原因状语从句、目的状语从句、结果状语从句、方式状语从句和比较状语从句等。
下面将对初中英语中常见的状语从句分类和用法进行归纳。
一、时间状语从句时间状语从句用来表示动作或事件发生的时间,包括连词when (当...时候),while (在...时候),before (在...之前),after (在...之后),as (当),since (自从),until (直到)等。
时间状语从句一般放在主句之前或者之后。
例如:- When I was young, I used to play soccer with my friends. (当我年轻的时候,我常常和朋友们踢足球。
)- After she finished her homework, she went to bed. (她完成作业之后,去睡觉了。
)二、条件状语从句条件状语从句用来表示主句动作的条件或前提,包括连词if (如果),unless (除非),in case (以防),as long as (只要),provided/providing (只要)等。
条件状语从句一般放在主句之前。
例如:- If it rains tomorrow, we will stay at home. (如果明天下雨,我们就在家呆着。
)- Unless you work hard, you won't pass the exam. (除非你努力学习,否则你就不能通过考试。
)三、原因状语从句原因状语从句用来表示主句动作或情况的原因,包括连词because (因为),as (因为),since (因为),for (因为),now that (既然)等。
原因状语从句一般放在主句之前。
例如:- Because it was raining, we stayed at home. (因为下雨,我们呆在家里。
状语从句的复习重点及中考热点状语从句不仅是初中英语学习的重点,而且也是每年中考必考的内容之一。
从笔者研读历年全国各地中考英语试题对状语从句的考查内容来看,命题主要集中在引导状语从句的连词、状语从句的时态等方面;从九大状语从句来看,同学们应将复习重点放在时间状语从句、条件状语从句、结果状语从句和比较状语从句这四种上。
一、对时间状语从句的考查1.要点:1)引导时间状语从句的连词有:while,when,as,as soon as,until,not...until,before,after,since,etc.要掌握每个连词的含义及其用法,还有它们之间的一些区别。
2)when,while,as的区别:①三者均可表示“当……的时候”,如果主句表示的是短暂的动作,而从句表示的是一段时间,三者可通用。
如:I met Kang Li as/when/while I was walking along the street.当我沿街散步时碰见了康丽。
②as和when都可与终止性动词连用,while只能与延续性动词连用。
如:It was snowing when we got to the airport.当我们到达机场时,天正下着雪。
(不能用while)③as强调主句与从句表示的动作同时发生;while强调主句表示的动作持续于while所指的整个时间内;when可指主、从句所述动作同时或先后发生。
如:He sang as he went along.他边走边唱。
Please write while I read.我读的时候,请写下来。
When he reached home,he had a little rest.回到家后,他休息了一会儿。
3)until和till在肯定句中表示“直到……为止”,主句要用延续性动词;在否定句中,表示“直到……才”,主句常用终止性动词,这时till和until可用before替换。
史上最全状语从句知识点总结,建议收藏!状语从句在句中相当于副词,做状语,又叫副词性从句。
状语从句分为九类,包括时间状语从句、条件状语从句、地点状语从句、原因状语从句、目的状语从句、让步状语从句、结果状语从句、方式状语从句和比拟状语从句。
1. 时间状语从句⑴当......的时候:when, as, whileI fell asleep when/as/while he was doing his exercises .他正作练习时我睡着了。
When he arrived in Shanghai , his mother met him at the station .他到上海时,他妈妈到车站接他。
While John was watching TV, his wife was cooking.当约翰看电视的时候,他的妈妈在做饭。
She always sings as she walks .她总是一边走一边唱。
注意:when 引导的时间状语从句中的谓语动词可以是持续的也可以是瞬时的;while和as 引导的时间状语从句中的谓语动词必须是持续的。
⑵一......就......:as soon as, the minute, the moment,the instant,immediately , directly, instantly, no sooner … than..., hardly …when..., scarcely…when...The children ran away from the orchard(果园) the moment they saw the guard.孩子们一看到守卫就从果园跑掉了。
No sooner had I arrived home than it began to rain.我一到家天就开场下雨。
⑶直到...... till,until, not...until...〔直到......才......,not翻译成“才〞〕I didn’t realize how special my mother was until I became an adult.直到我长大成人,我才意识到我的妈妈是多么特别。
中考状语从句考点状语从句是中考必考的语法项目之一,它引导的状语从句在句中充当状语,修饰主句的谓语动词、形容词、副词或整个句子。
状语从句可分为以下九类: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、方式状语从句、让步状语从句和比较状语从句。
一、考点解读1. 掌握引导词的用法。
引导词有:when(当……时候)、while(当……时候)、as(当……时候)、before(在……以前)、after(在……以后)、since(自从)、because(因为)、so that(以便)、as if(好像)、whether(是否)、though (虽然)、as long as(只要)等。
2. 掌握状语从句的时态。
主句是现在时态时,从句可为需要的任何时态;主句是过去时态时,从句要用过去的某种时态形式。
但客观真理除外。
3. 从句是祈使句或省略句时,需用陈述语序。
4. 从句的位置:时间、地点、原因状语从句通常放在主句之后;但当主句是祈使句时,从句通常放在主句之前;而当主句是一个完整的句子时,有时也可用从句作插入语。
5. 从句与主句之间不可存在逗号,需用连词连接。
6. 从句是therefore时,只放在主句之后,不能倒装。
7. 从句与主句的逻辑关系要清楚。
8. 从句中的关系代词that、which、who在任何情况下都不可以省略。
9. 连接词if、unless在引导条件状语从句时不能用and并列连接词。
在否定词not用在句首时表部分否定;但需用and并列连接词时表完全否定。
二、常考考点梳理1. 时间状语从句的考点:①表示“一……就……”的英语表达为“as soon as”,其用法为:“as soon as+主+谓+其他,主+can/may+动词原形+其他”。
例如:As soon as he finishes his homework,he will go to the library. 他一完成作业就要去图书馆。
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。
状语从句状语从句状语从句有时间、地点、原因、目的、方式、结果、条件、让步等八种。
状语从句有时间、地点、原因、目的、方式、结果、条件、让步等八种。
一、时间状语从句:一、时间状语从句:引导词有after ,before ,as ,once ,since ,till ,until ,when ,whenever ,while ,as soon as ,the moment/minute…(一…就),the time,theday,every time,next time,each time ,by the time of ,no sooner …than(一…就),hardly…when (一…就).例如:就).例如:Each/Every time he comes here,he will drop in on me.每次他来这儿他都顺便看我.每次他来这儿他都顺便看我.He was ill last time I saw him.上次我见到他时他病了.上次我见到他时他病了.No sooner had she heard the news than she cried.她一听到这个消息就哭了.哭了.[辨析]when 与whilewhen 引导的从句动词可以是延续性的或短暂性的,while 引导的从句中动词必须是延续性的;须是延续性的;在在“be…when…”句式中when 表“at that time “at that time((就在这时)”意,这样用的when 不能换为while ;while 有时并不表示时间,而表示对比,意“而”、“却”,when 无这样的用法。
例如:When I got home I found the doorlocked./While(或When)we were working in the fields,it suddenlybegan to rain./He was wandering through the streets when a bike hithim./His pencil is red,while mine is yellow.[辨析]till 与until一般情况下可以互换,但until 可以位于句首,till 则不能。
中考英语状语从句知识讲解状语从句即指在主从复合句用作状语的从句。按照其意义,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、目的状语从句、结果状语从句、条件状语从句、让步状语从句等。学习状语从句主要应注意引导状语从句的从属连词的用法与区别,以及从属连词在一定的语言环境中的意义与用法。一、时间状语从句1.引导时间状语从句的从属连词很多,常见的有before, after, when, while, as, since, till, until, as soon as 等。2.表示“当…时候”的 while, when, as 的用法区别是:while从句中的谓语动词必须是延续性动词;表示带有规律性的“每当”或当主、从句谓语动词的动作发生有先后时,只能用when;当表示“一边…一边…”或“随着”时,只能用as。另外,用于此义的 as 所引导的时间状语从句谓语只能是动作动词,不能是状态动词。如下面一道高考题的答案是B 而不能是A:“I’m going to the post office.” “_____ you’re there, can you get me some stamps?”A.AsB.WhileC.BecauseD.If3.until 在肯定句中通常只连用延续性动词,表示相应动作结束的时间;在否定句中通常连用非延续性动词,表示相应动作开始的时间,意为“直到…才”。如:He waited until she was about to leave.他等着一直到她准备离开。I did not begin to work till he had gone.他走了后我才开始工作。4.表示“一…就”除用as soon as 外,还可用the minute, the second, the instant, immediately, directly, instantly, no sooner…than, hardly…when等。如:I came immediately you called.你一来电话我就来了。Hardly had she arrived when it began to snow.她刚到就下起雪来了。The moment I have finished I'll give you a call.我一干完就给你打电话。5.every time, each time, (the) next time, (the) last time, by the time, the first time, any time 等以time 结尾的词语也可用作连词,引导时间状语从句。如: Next time you come in, please close the door.下次你进来,请关门。He didn’t tell me anything the last time I saw him.上次我见到他时他什么也没告诉我。By the time I got home, she had already gone to bed.我到家时她已睡觉了。二、条件状语从句1.引导条件状语从句的从属连词主要有 if, unless, as [so] long as等。如:Don’t come unless I telephone.除非我打电话,否则你别来。If you watch carefully you will see how to do it.如果你仔细瞧你会看出该怎样做。As long as you do your best, we’ll be happy.只要你尽力,我们就满意了。2.in case 也可引导条件状语从句,其意为“如果”、“万一”。如:In case I forget, please remind me about it.如果我忘了,请提醒我。三、让步状语从句1.引导让步状语从句的从属连词主要有 although, though, however (=no matter how), even if(即使), whether…or(不论…还是)等连词。如:The speech is good, though it could be better.这次演讲不错,虽然还可以再好一点。He went out even though it was raining.尽管下雨,他还是出去了。2.as 也可引导让步状语从句,但要将名词、形容词或副词等提到as 前,若提前的是单数可数名词,要省略 a / an。如:Teacher as he is, he can’t know everything.虽然是老师,他也不可能什么都懂。3.连词 while 有时也可表示“尽管”、“虽然”,引导让步状语从句。如:Wh ile we don’t agree we continue to be friends.尽管我们意见不同,我们还是朋友。4.whatever, whoever, however, whenever, wherever 等引导让步状语从句。如:Don’t lose heart whatever you do.不管你做什么,都不要灰心。Whoever you are, you can’t pass this way.不管你是谁,你都不能从这里通过。注:表示“虽然”的though, although 不可与but 连用,但可与yet,still 连用。四、原因状语从句1.引导原因状语从句的从属连词主要有because, as, since, seeing (that), now (that)等:They can’t have gone out because the light’s on.他们不可能出去了,因为灯还亮着。Since you are going, I will go.既然你去,我也去。Now that we are alone, we can speak freely.现在我们单独在一起,可以随便谈了。2.除以上提到的大家比较熟悉的引导原因状语从句的从属连词外,when有时也可引导原因状语从句,其意“既然”。如:I can’t tell you when you won't listen.既然你不想听,我就不告诉你了。3.有关原因状语从句还应注意以下几点:(1) as 与since, now that 一样表示双方都知道的原因,通常位于主句前,且均不可用于强调结构被强调。(2) 当表示直接的因果关系,回答why 时,或有only, just, all, partly, not, but 等副词修饰时,或用在强调结构中都只能用because。(3) for 有时也可引出表示原因的分句,但它只能位于后面,对前一分句加以解释或推断。(4) 不要受汉语意思影响将表示“因为”的连词与表示“所以”的so 连用。五、地点状语从句引导地点状语从句的从属连词主要有where (在…的地方), wherever(无论什么地方), everywhere(每个…地方), anywhere(任何…地方)。如:I’m not living where I was.我不在原处住了。You can’t camp where [wherever, anywhere] you like these days.如今你可不能随便在哪儿宿营。Everywhere I go, I find the same thing.不管我走到哪里,我都发现同样情况。2.有的同学认为地点状语从句在平时见得不多,误认为考试不会涉及,但恰恰相反,地点状语从句却是英语考试经常考查的一个知识点。请看以下考题:(1) When you read the book, you’d better make a ma rk _____ you have any questions.A.at whichB.at whereC.the place whereD.where(2) After the war, a new school building was put up _____ there had once beena theatre.A.thatB.whereC.whichD.when(3) You should make it a rule to leave things _____ you can find them again.A.whenB.whereC.thenD.there(4) She found her calculator ______ she lost it.A.whereB.whenC.in whichD.that以上四题均选where,其意为“在…的地方”,用以引导地点状语从句。六、目的状语从句1.引导目的状语从句的从属连词主要有in order that, so that, in case, for fear 等。如:I hired a boat so that I could go fishing.我租了一条船去钓鱼。Take your coat in case it rains (should rain).带着雨衣以防下雨。He studied hard in order that he could pass the exam.他努力学习,是为了能通过考试。2.引导目的状语从句的so that 有时可省so 或that,即单独用so 或that 来引导目的状语从句。如:Check carefully, so any mistake will be caught.仔细检查,以便任何错误都可检查出。Bring it closer that I might see it better.拿近些,使我能看得清楚些。七、结果状语从句引导结果状语从句的从属连词主要有so that, so…that, such…that等。如:He was so angry that he couldn't speak.他气得话都说不出来。He shut the window with such force that the glass broke.他关窗子用力很大,结果玻璃震破了。注:so…that和such…that中的that有时(尤其在口语中)可省略。八、比较状语从句引导比较状语从句的从属连词为as...as(和……一样),not as/so...as(和……不一样),than(比),the more...the more(越……越)。这类从句常以省略形式出现。如: The work is not so difficult as you imagine.这工作不像你想像的那么困难。You look younger than you are.你看上去比你的实际年龄要年轻。The more you study, the more knowledge you can get.你学的知识越多,你的知识越丰富。He doesn’t work as hard as she (does).他工作不像她那样努力。九、方式状语从句引导方式状语从句的从属连词有as(正如),as if或as though(好像)等。如:Do as I told you.按我告诉你的那样做。As a man lives, so he dies.正如人能活,也能死。I remember the whole thing as if it happened yesterday.整个这件事我记得很清楚,就仿佛是昨天发生似的。注:口语中like也可用连词引导方式状语从句。如:Do it like he does.照他那样做。She can’t cook like her mother does.她菜做得没有她妈那样好。。
状语从句总结一、原因状语从句(1)原因状语从句通常由because, since, as, for引导。
(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。
此外,because和so不能同用在一个句子里。
例如:------Why aren’t going there?------Because I don’t want to.since引导原因状语从句,相当于now that,意思是“因为……,既然……,鉴于……”。
例如:Since the rain has stopped,let’s go for a walk. 既然雨停了,我们出去散散步吧。
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:As he has no car, he can’t get there easily.Since we have no money, we can’t buy it.(3)for表示所说的理由是一种补充说明,for引导的从句一般不放在句子的开头。
如:I decided to stop and have lunch, for I was feeling quite hungry.练习:I was late for class yesterday _______ there was something wrongwith my bike.He took off his coat _______ he felt hot.you can’t answer the question, I’ll ask s omeone else.二、结果状语从句(1)结果状语从句由so…that, such…that, so that引导。
(2)so…that语such...that可以互换。
中考状语从句所有知识点归纳知识点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【原创实用版】目录一、什么是状语从句二、状语从句的分类1.时间状语从句2.地点状语从句3.原因状语从句4.结果状语从句5.目的状语从句6.条件状语从句三、状语从句的用法和特点四、总结正文一、什么是状语从句状语从句是指在主从复合句中用作状语的从句。
状语从句通常用来修饰主句中的动词、形容词、副词或整个句子,表示时间、地点、原因、结果、目的或条件等概念。
二、状语从句的分类1.时间状语从句:用来表示动作发生的时间,如 when、while、since、after 等引导词。
例如:When I reached the park, they were already playing football.2.地点状语从句:用来表示动作发生的地点,如 where、in which 等引导词。
例如:This is the place where we met last time.3.原因状语从句:用来表示动作发生的原因,如 because、since、as 等引导词。
例如:I am late because of the traffic.4.结果状语从句:用来表示动作产生的结果,如 so、such、that 等引导词。
例如:She is so beautiful that everyone stares at her.5.目的状语从句:用来表示动作的目的,如 to、in order to、so as to 等引导词。
例如:I studied hard to pass the exam.6.条件状语从句:用来表示动作发生的条件,如 if、unless、provided that 等引导词。
例如:I will lend you the book if you return it next week.三、状语从句的用法和特点状语从句通常由连词、副词或代词引导,其主语和谓语与主句保持一致。
状语从句的位置灵活,可以根据需要放在主句之前、之后或中间。
中考状语从句之原因、结果、目的状语从句:知识点+习题 ( 无答案)原因、结果、目的状语从句一、原因状语从句(1)原因状语从句通常由because, since, as, for 引导。
(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b eca us e。
此外,because 和so 不能同用在一个句子里。
例如:------Why aren't going there?------Because I don't want to.→ since 引导原因状语从句,相当于now t h at,意思是“因为……,既然……,鉴于……”。
例如:Since the rain has stopped,let's go for a walk. 既然雨停了,我们出去散散步吧。
→ 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:As he has no car, he can't get there easily. Since wehave no money, we can't buy it.(3)for 表示所说的理由是一种补充说明,for 引导的从句一般不放在句子的开头。
如:I decided to stop and have lunch, for I was feeling quite hungry.练习:I was late for class yesterday there was something wrong with my bike. He tookoff his coat he felt hot.you can't answer the question, I'll ask someone else.二、结果状语从句(1)结果状语从句由so…that, such…that, so that 引导。
初中英语语法专练—原因、结果和目的状语从句-全考点详解一、状语从句状语从句是指在整句中作状语时,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。
二、原因状语从句如果从句表示的是主句行为的原因,就构成原因状语从句。
原因状语从句由表示原因的连词引导,常用的有because,since,as等。
1.because引导的原因状语从句,表示的往往是读者不了解的、不明显的原因,是全句叙述的重点,语气最强。
because引导的原因状语从句既可以放在主句之前,用逗号隔开,也可以放在主句之后。
如:He failed the exam because he was too careless.2.since引导的原因状语从句,表示显然的或已为人知的理由,常译为"因为;既然"。
如:Since everyone is here,let's start our meeting.3.as引导的原因状语从句,意为"因为;由于",其语气不如because 强,通常为附加说明的理由,且是已知晓的原因,主句与从句没有逻辑上的因果关系。
如:As she wasn't well, I went there alone.三、结果状语从句如果从句表示的是主句行为的结果,就构成结果状语从句。
结果状语从句由表示结果的连词引导,常用的有so,so...that...,such...that...等。
1.so引导的结果状语从句,表示"由于某个行为而导致的结果",只能放在主句之后。
如:He worked too hard, so he fell ill again.注意:because和so不能同时用在一个句子里。
如:Because it rained heavily, we stayed at home./It rained heavily, so we stayed at home.2.so...that...引导的结果状语从句,意为"太......以致于......",so后面接形容词或副词(看so前面的词来决定用形容词还是副词,如果是系动词就用形容词;如果是行为动词,就用副词。
中考状语从句知识点归纳状语从句是英语中用来修饰动词、形容词、副词或整个句子的从句,它通常由一个引导词(如when, if, because等)引导,并在句子中承担时间、地点、原因、条件、目的、结果、让步等状语成分。
中考中,状语从句的考查是英语语法的重点之一,下面对中考状语从句的知识点进行归纳。
# 状语从句的分类1. 时间状语从句:表示动作发生的时间,常用引导词有when, while, as soon as等。
- 例如:When I arrived, he was still sleeping.2. 地点状语从句:表示动作发生的地点,常用where引导。
- 例如:Where there is a will, there is a way.3. 原因状语从句:说明发生某事的原因,常用because, since, as等引导。
- 例如:We are happy because we have achieved our goal.4. 条件状语从句:表示某事发生的条件,常用if, unless, provided that等引导。
- 例如:I will go to the party if I finish my homework.5. 目的状语从句:表示动作的目的,常用so that, in order that等引导。
- 例如:He studied hard in order that he could pass the exam.6. 结果状语从句:表示某事的结果,常用so...that, such...that 等引导。
- 例如:He was so tired that he fell asleep at his desk.7. 让步状语从句:表示尽管有某种情况,但仍然发生某事,常用though, although, even if等引导。
- 例如:Although it was raining, we still went out for a walk.# 状语从句的使用要点- 状语从句需要与主句在时态上保持一致,但有时主句使用将来时,从句使用现在时表示将来。
初中英语原因目的和结果状语从句详解原因状语从句(Adverbial clause of reason)是表示一个动作或情况的原因或理由的从句。
目的状语从句(Adverbial clause of purpose)是表示一个动作或情况的目的或意图的从句。
结果状语从句(Adverbial clause of result)是表示一个动作或情况的结果或后果的从句。
详细解释如下:1. 原因状语从句(Adverbial clause of reason):原因状语从句回答“为什么?”的问题,说明动作或情况的原因或理由。
原因状语从句通常由连词because、since、as、now that、seeing that等引导。
例句:- I couldn't sleep because it was too noisy.(我不能入睡,因为太吵了。
)- Since it was raining heavily, we stayed indoors.(由于下着大雨,我们呆在室内。
)2. 目的状语从句(Adverbial clause of purpose):目的状语从句回答“为了什么?”的问题,说明动作或情况的目的或意图。
目的状语从句通常由连词so that、in order that、for the purpose of等引导。
例句:- I study hard so that I can get good grades.(我努力学习,以便能取得好成绩。
)- I bought a ticket for the concert so that I could see my favorite singer.(我买了一张音乐会的票,为了能看到我最喜欢的歌手。
)3. 结果状语从句(Adverbial clause of result):结果状语从句回答“怎么样?”的问题,说明动作或情况的结果或后果。
结果状语从句通常由连词so、such...that、enough等引导。
中考英语《状语从句》知识总结:定语从句与状语从句状语从句是从句与主句之间存在逻辑上的因果关系,用来描述主句中的动作、情态或条件。
状语从句可以修饰谓语动词、形容词、副词等,以增加句子的信息量和表达能力。
而定语从句则是用来修饰一个名词或代词,起到限制或补充其含义的作用。
一、状语从句1. 时间状语从句:描述主句动作发生的时间。
常见引导词有when, while, as, before, after, since, until等。
例句:He always takes a walk in the park when he finishes his work.2. 地点状语从句:描述主句中动作发生的地点。
常见引导词有where, wherever等。
例句:I can find my keys wherever I go.3. 原因状语从句:描述主句中动作发生的原因。
常见引导词有because, as, since等。
例句:I didn't go to the party because I was sick.4. 结果状语从句:描述主句中动作的结果或后果。
常见引导词有so, therefore, thus, hence等。
例句:It was raining heavily, so I stayed at home.5. 条件状语从句:描述主句中发生动作的条件。
常见引导词有if, unless, provided that等。
例句:If it snows tomorrow, we can go skiing.6. 目的状语从句:描述主句中动作的目的。
常见引导词有in order that, so that等。
例句:I'm taking extra English classes so that I can improve my speaking skills.7. 方式状语从句:描述主句中动作的方式或方法。
中考状语从句之原因、结果、目的状语从句:知识点+习题 ( 无答案)原因、结果、目的状语从句一、原因状语从句(1)原因状语从句通常由because, since, as, for 引导。
(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b eca us e。
此外,because 和so 不能同用在一个句子里。
例如:------Why aren't going there?------Because I don't want to.→ since 引导原因状语从句,相当于now t h at,意思是“因为……,既然……,鉴于……”。
例如:Since the rain has stopped,let's go for a walk. 既然雨停了,我们出去散散步吧。
→ 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:As he has no car, he can't get there easily. Since wehave no money, we can't buy it.(3)for 表示所说的理由是一种补充说明,for 引导的从句一般不放在句子的开头。
如:I decided to stop and have lunch, for I was feeling quite hungry.练习:I was late for class yesterday there was something wrong with my bike. He tookoff his coat he felt hot.you can't answer the question, I'll ask someone else.二、结果状语从句(1)结果状语从句由so…that, such…that, so that 引导。
2)so…that 语such...that 可以互换。
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.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;其结构是: “...such +a / an + 形容词+名词+ that + 从句”。
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)→ 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.(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 with you.(4)如果主从句的主语相同,并且从句是否定的形式,可以用too...to...句型转化。
例如:He was so excited that he couldn't go to sleep that night. = He was too excited to go to sleep.(5)如果主从句的主语相同,但从句是肯定的形式,可以用adj.+ enough 替换。
例如:He is so old that he could go to school. = He is old enough to go to school. 他够大了,可以去上学。
练习:It is hot in the room we have to go out for a walk. It was awonderful movie all of us wanted to see it again.There were little water in the bottle the bird couldn't reach it.【练习】用so…that…或者such…that…填空:1. It was hot in the cinema I felt very uncomfortable.2. It was a funny film I laughed until I cried!3. few people came to see the film the manager put on another film instead.4.Tom hurt his legs badly he was not able to walk for six months.5.There were many people at the party our house got too crowded.6.Joy has a strong love of films she goes to the cinema every week.三、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.We used the computer in order that we might save time.(2)so that 可引导目的状语从句,此时可用to 或in order to 替换,将其改为简单句。
例如:He got up early so that he could get to school on time.=He got up early(in order)to get to school on time.(3)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:Speak clearly so that they may understand you. (目的状语从句) Jack isbadly ill so that he has to rest. (结果状语从句)练习:I hurried I wouldn't be late for class.We should go by bus we can get there earlier. May I sitnearer I can see more clearly?(4) 补充:so as to…(肯定结构) eg. He got up early so as to catch the early train.so as not to…(否定结构) eg. He got up early so as not to miss the early train. to…eg.He got up early to catch the early train.in order that … eg. He got up early in order that he could catch the early train. in order to…eg. He got up early in order to catch the early train.【练习】一、单项选择。
1.We'll stay at home if it tomorrow. A.rainB.rainsC.is rainingD.will rain2.We didn't go home we finished the work. A.since B.untilC.becauseD.though3.She when I went to see her. A.isreadingB.have readC.was readingD.reads4.the rain stops, we'll set off for the station.A.BeforeB.UnlessC.As soon asD.Though5.She looks forward every spring to the flower-lined garden. A.visit B.paying a visit C.walk inD.walking in6.Mr. White hoped he China the next year.A.would visitB.will visitC.visitedD.has visited7.I told him that the sun in the east. A.risesB.roseC.has risenD.was rising8.She was tired she could not move an inch. A.so,thatB.such, that C.very, thatD.so, as9.He was sentenced to death what he had stolen from the bank. A.that B.since C.becauseD.because of10.I didn't know what . A.wasthe matterB.is the matter C.the matter wasD.the matter is11.I couldn't agree with at the meeting. A.that you saidB.which you said C.what did you sayD.what you said12.The bad man ran away to avoid and was finally put into prison.A.seeingB.to be seen C.being seenD.to be caught13.Everyone except Jim and Jack . A.knowwho is heB.know who he is C.knows who is he D.knows who he is15.It is ten years I left my hometown. A.sinceB.IfC.whetherD.until16.Could you tell us Mr. Brown lives in Room 202?A.that B.whereC.until D.if17.I learned a little Russian I was at middle school.A.thoughB.althoughC.as ifD.when18.I don't know or not it will rain tomorrow. A.thatB.When C.ifD.whether19.—Why is their classroom so clean and tidy?—it is cleaned every day. A.Since B.AsC.BecauseD.For20.Can you tell me is going to give us a talk next Monday?A.whoB.whom C.whoseD.what21. Please answer the question in a loud enough voice all the class may hear. A. so, thatB. orC. in order thatD. and22. Lift it up I may see it. A. thoughB. so thatC. asD. than。