英语语法辨析:时间状语从句

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英语语法讲解状语从句

英语语法讲解状语从句
Child as he is, he knows a lot.
Whatever ( = No matter what ) you say, I'll never change my mind.
八、方式状语从句
方式状语从句常由as, as if (though), the way, rather than 等引导。
You can go swimming on condition that ( = if ) you don't go too far away from the river bank.
If he had come a few minutes earlier, he could have seen her.
e.g. He is disappointed because he didn't get the position.
As it is raining, I will not go out.
Now that you mention it, I do remember.
三、地点状语从句
引导地点状语从句的连词是where 和wherever等。 e.g. Sit wherever you like. Make a mark where you have a question.
一、时间状语从句
表示时间的状语从句可由when, as, while, whenever, after, before, till (until), since, once, as soon as (或the moment ), by the time, no sooner …… than, hardly (scarcely) …… when, every time等引导。

高中英语语法时间状语从句讲解

高中英语语法时间状语从句讲解

时间状语从句一、时间状语从句的定义用表示时间的连词连接一个句子作状语,这样的主从复合句就是时间状语从句。

连接时间状语从句的连接词有:when, before, after, while, as soon as, until, since...... 假如主句是一般将来时,从句只能用一般现在时表示将来意义。

二、时间状语从句-从属连词引导时间状语从句的一般类从属连词有when(当……时),while(在……期间),as(当……,一边……一边……),before(在……之前),after(在……之后),since(从……以来),till/until(直到),whenever(无论何时),as soon as(一……就)留意:在时间状语从句中,不能用一般将来时、过去将来时态或将来完成时,而要用相应的一般现在时态、一般过去时或现在完成时来代替。

例句:I’ll telephone you as soon as I get there. 我一到达那里就打电话给你。

三、时间状语从句-时间状语1、一般现在时every …, sometimes, at …, on Sunday,2、一般过去时yesterday, last week, an hour ago, the other day, in 1982, just now3、一般将来时next…, tomorrow, in+时间4、现在完成时for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always, recently5、过去完成时before, by, until, when, after, once, as soon as6、过去进行时this morning, the whole morning, all day, yesterday, from nine to ten last evening… when, while7、将来进行时soon, tomorrow, this evening, on Sunday, by this time, tomorrow, in two days, tomorrow evening四、时间状语从句-时态问题时间状语从句常用的连词有:when,as,while,before,after,since,till,until,as soon as,once。

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。

语法难点时间状语从句与原因状语从句的区别

语法难点时间状语从句与原因状语从句的区别

语法难点时间状语从句与原因状语从句的区别时间状语从句与原因状语从句是英语语法中的两个难点,这两种从句在结构和用法上有着很大的区别。

理解和正确使用这两种从句对于英语学习者来说至关重要。

本文将详细讨论时间状语从句和原因状语从句的区别,帮助读者更好地掌握它们。

一、时间状语从句时间状语从句用来表示一个动作或事件的时间。

它们通常以连词when,while,before,after等开头。

1. 结构时间状语从句通常由一个从句和一个主句构成。

从句中的动词常常使用一般过去时,表示在主句中动词所表示的动作或状态之前发生的。

例如:- I will meet you when I finish my work.(我完成工作后会和你见面。

)- He called me while I was cooking.(我在做饭的时候他给我打电话。

)2. 用法时间状语从句常用于以下情况:- 表示某个动作或事件发生的时间点。

- 表示两个同时发生的动作或事件。

- 表示一个动作或事件发生的原因。

例如:- She always wakes up early when the sun rises.(太阳升起时,她总是早早醒来。

)- We were having dinner while it started to rain.(下雨的时候我们正在吃饭。

)- He missed the bus because he woke up late.(因为他起得晚,所以错过了公交车。

)二、原因状语从句原因状语从句用来表示引起一个动作或事件的原因。

它们通常以连词because,since,as等开头。

1. 结构原因状语从句也是由一个从句和一个主句构成。

从句中的动词通常使用一般现在时,表示主句中动词所表示的动作或状态的原因。

例如:- I couldn't sleep because it was too noisy.(因为太吵了,所以我睡不着。

)- Since you are here, let's start the meeting.(既然你在这里,我们就开始开会吧。

when引导的时间状语从句和宾语从句的区别

when引导的时间状语从句和宾语从句的区别

when引导的时间状语从句和宾语从句的区别文章标题:深度剖析“When引导的时间状语从句和宾语从句的区别”在我们学习和运用英语语法时,“When引导的时间状语从句”和“宾语从句”的使用经常让人感到困惑。

它们在句子中的作用和用法有什么区别?本文将从深度和广度上对这两个语法现象进行全面评估,帮助读者更好地理解它们的区别和用法。

一、何谓“When引导的时间状语从句”和“宾语从句”1. “When引导的时间状语从句”:当“When”引导一个从句来表示时间状况时,这个从句就是时间状语从句。

例如:“I will call you when I finish my work.”(当我完成工作时,我会给你打通信方式。

)2. “宾语从句”:宾语从句是放在主句中作宾语的从句。

例如:“She said that she would come back soon.”(她说她会很快回来。

)二、区别与联系1. 意义区别:时间状语从句是用来表示主句中的动作发生的时间,而宾语从句则承担主句动词的宾语成份。

2. 结构区别:时间状语从句通常由“When”引导,宾语从句则由引导词“that”或者特定动词后的连接词引导。

3. 语义区别:时间状语从句强调主句的动作发生的时间,宾语从句则对主句动词进行了解释或补充说明。

三、深入探讨“When引导的时间状语从句”1. 语法结构:时间状语从句由“When”引导,用来表示主句动作发生的时间。

例如:“I will go to bed when I finish my homework.”(当我完成作业时,我会上床睡觉。

)2. 使用场景:常用于表示主句动作发生的时间点或条件。

例如:“I will call you when I arrive in London.”(我抵达伦敦时会给你打通信方式。

)3. 语境搭配:时间状语从句常与一般将来时态连用,以表示主句的动作将在将来某个时间点发生。

例如:“I will start cooking when you come back.”(当你回来时,我会开始做饭。

2023年中考英语语法专项之时间状语从句课件

2023年中考英语语法专项之时间状语从句课件

3. 常用的时s soon as表示“一……就……”,引导时间状语从句,常和一般过去时 连用。例如:As soon as I arrived at the airport, I called my parents.
3. 常用的时间状语从句引导词
01 before 02 after 03
1. 什么是时间状语从句?
01 时间状语从句的种类 02 时间状语从句的语态 03
1. 什么是时间状语从句?
时间状语从句的种类
时间状语从句可以分为简单句和复合句两种,其中简单句只包含一个主 谓宾结构,而复合句则包含主句和从句两个部分。
1. 什么是时间状语从句?
时间状语从句的语态
时间状语从句的语态要与主句的谓语动词保持一致,即如果主句是肯定 句,则从句也要使用肯定句;如果主句是否定句,则从句也要使用否定 句。
2. 时间状语从句的语序和时态
2. 时间状语从句的语序和时态
01 语序
02 时态
03 连接词
2. 时间状语从句的语序和时态
语序
时间状语从句的语序是从句在主句之前,从句中的谓语动词要用陈述语 气。
2. 时间状语从句的语序和时态
时态
时间状语从句的时态与主句的时态有关,如果主句是一般现在时或将来 时,从句用一般现在时;如果主句是一般过去时,从句用过去时;如果 主句是过去将来时,从句用过去完成时;如果主句是现在完成时或将来 完成时,从句用完成时态。
以while引导的时间 状语从句省略
当主句的谓语动词为进行时态时,时间状语从句中的while可以省略。
4. 时间状语从句的省略
以as引导的时间状语 从句省略
当主句的谓语动词为进行时态时,时间状语从句中的as可以省略。

高中英语语法:状语从句知识点

高中英语语法:状语从句知识点

高中英语语法:状语从句知识点状语从句(adverbial clause)在句中作状语,可修饰主句中的动词、形容词和副词等。

状语从句由从属连词引导。

状语从句可放在句首或句末。

放在句首时,从句后面常用逗号;放在句末时,从句前面往往不用逗号。

状语从句根据它们的含义分为时间、地点、原因、目的、结果、方式、让步、条件、比较等九种。

一、时间状语从句1、while, when, whenever和as的用法比较(1)while常表示一段较长的时间或一个过程,强调主句的动词和从句的动词所表示的动作或状态是同时发生的。

它不能表示一时性或短暂的动作。

Don't talk so loud while( as) others are working.别人工作时,请勿大声说话。

(2)when引导的时间状语从句,可指时间的一点,也可以指一段时间,从句的谓语动词可用终止性动词,也可用持续性动词。

when引导的从句表示的具体的时间,从句的动作和主句的动作可以同时,也可以先于主句的动作。

Whenever指任何一个不具体的时间。

It was raining when we arrived. 我们到达时,天正下着雨。

(动作同时,指时间点)When you read the poem a second time, the meaning will become clearer to you.当你再读一遍这首诗,你就更清晰它的含意。

(动作有先后,指时间点,不能用while)Come whenever you like. 你爱什么时候来就什么时候来。

(3)as用as时主句和从句的动作往往同时发生,具有延伸意义,一般同延续性动词连用,有时可译作“一边…一边…”。

As time went on, his theory proved to be correct.随着时间的推移,他的理论被证明是正确的。

As(when)he finished the speech, the audience burst into applause.他讲话结束的时候,听众掌声雷动。

Unit4语法讲义时间状语从句牛津译林版九年级英语上册

Unit4语法讲义时间状语从句牛津译林版九年级英语上册

9A Unit 4语法讲义(时间状语从句)一、状语从句的概念在主从复合句中作状语的句子被称为状语从句。

三、时间状语从句1、before 引导的时间状语从句before “在...之前” 连词+时间状从(主一过从一过)e.g. He remained there for about a year before the NBA took notice of him.介词+时间点/doing e.g. before 9 a.m.2、after 引导的时间状语从句after “在...之后” 连词+时间状从(主一过从一过)e.g. The sun came out after the storm stopped.介词+时间点/doing e.g. after lunch3、when 引导的时间状语从句when “当...的时候” 连词+时间状从(主短从长、主长从短、主短从短、主将从现)长:现在/过去进行时,即谓v.是be +doing 短:一般现在/过去时,即谓v.是原形、三单、过去式e.g. The earthquake started when I was doing some cleaning the other day.e.g. Daniel was watching TV when the earthquake started.e.g. When he finally got the chance, he scored 20 points in his first game.e.g. she returns.“什么时候” 4、while 引导的时间状语从句while “当...的时候” 连词+时间状从(主短从长、主长从长)e.g. While the boys were playing football, it rained.e.g. Daniel was watching TV while his mother was washing the dishes.“而” 表对比e.g.You like sports while I like reading.注意:在[含有(when/while引导的)时间状语从句的]主从复合句中,若主句和从句的主语一致,且从句的谓v.是be动词,则可省略从句的主语和bee.g. when (he was) attending junior high, Spud tried out for the school team.( )1.A true friend can see the pain in your eyes ______ everyone else believes the smile on your face.A.whileB.becauseC.beforeD.until( )2.It is summer now in China, ______ it is winter in Australia.A.beforeB.untilC.whileD.since5、since引导的时间状语从句since“自...以来”(1)现在完成时/一般现在时+since+一般过去时主句从句( )1.[易错题]It ________ four years since my family ________ to Xiamen.A.is; have moved B.has been; has moved C.is; moved D.was; moved( )2.[变式题]How time flies! Four years ________ since I ________ to our Middle School.A.have passed; came B.has past; came C.has passed; came D.have passed; have e3. It has been a couple of years since I came to our Middle School.(改为同义句)A couple of years ________ ________ since e I came to our Middle School.(2)since+过去时间点 e.g. since then(自那时以来), since 2008, since two years ago( ). ________ no one is against this plan, let’s carry out it.A. SinceB. UntilC. AlthoughD. So6、till/until和not...till/until引导的时间状语从句till/until “直到...为止”(顺译)连词+时间状从(主一过从一过)e.g. He remained there for about a year till/until the NBA took notice of him.延续性动词=before介词+时间点 e.g. till/until today★not...till/until...“直到...才”(倒译)连词+时间状从(主一过从一过、主将从现、主情从现、主祈从现)直到(从句)才(主句)e.g. I did n’t go to bed till/until I finished my homework.短暂性动词e.g. Smokers wo n’t realize the importance of health till/until they lose it.短暂性动词e.g. For your safety, you must n’t get close to the train till/until it stops.e.g. Do n’t wake me up till/until you finish building it.( )1. [变式题]Nothing can be done _______ he returns.A.asB.untilC.whileD.before( )2. [变式题]—May I borrow another two books, Madam?—Sorry. No more books can be borrowed until these two ______.A.returnB.are returnedC.will returnD.will be returned( )3.—I’m afraid the meeting has begun. —Don’t worry. It _______ until the bell _______.A.will begin; ringsB.doesn’t begin; will ringC.won’t begin; will ringD.won’t begin; ringsNot until+一般现在时( )1. —Sir, when can we have two days off ? —Not until your task _______ tomorrow.A.pletesB.is pletedC.will be pletedD.will plete( )2. —Excuse me, when shall we play tennis at the court? —Not until it _______ next week.A.repairsB.is repairedC.will be repairedD.repair[区分] How long提问till/until,when提问Not until...( )1.—When will the rain stop? —________ next Friday. The radio says it will last for a week.A.UntilB.BeforeC.AfterD.Not until( )2.—________ will the negotiation(谈判) between the two countries last(持续)?—________ they reach an agreement(协议), I am not sure.A.How long; Not until B.When; Not until C.How long; Until D.When; Until( )3.—Mr. Li, when will the plan that solves the problem be ________?—________ all the engineers e to have a further discussion.A.turned out; Until B.taken out; Until C.broken out; Not until D.carried out; Not until [拓展]not...until...的倒装句结构和强调句结构倒装句结构:Not until+从句+主句(部分倒装语序)部分倒装:把助动词、情态动词提前强调句结构:It is/was not until+从句+that+主句(陈述语序)基本结构:We didn’t get off the bus until it stopped.倒装句结构:Not until it stopped did we get off the bus.强调句结构:It was not until it stopped that we got off the bus.( )1.[提优]Not until he left the small village __________ the world is really big.A.he did realizeB.did he realizeC.he realizedD.realized he( )2.[提优]It was not until he left the small village that __________ the world is really big.A.he did realizeB.did he realizeC.he realizedD.realized he7、as soon as引导的时间状语从句as soon as possible= as soon as sb. can/could( ). —______________ I called you, you went downstairs _______________.A.As soon as; as soon as you canB. As soon as; as soon as possibleC. Whenever; as soon asD. Since; as quickly as possibleas soon as+一般现在时( ). —When shall I hand in my report? —As soon as it _______ tomorrow.A pletes B.is pleted C.will be pleted D.will plete8、whenever引导的时间状语从句whenever “每当;无论何时” 连词+时间状从(主一现从一现、主一过从一过、主将从现、主情从现)My parents were always there for me I needed them.。

3英语语法详解:时间状语从句

3英语语法详解:时间状语从句

英语语法详解:时间状语从句■引导时间状语从句的从属连词引导时间状语从句的从属连词很多,如较基本的有before, after, when, while, as, since, till, until, as soon as 等:Things were different when I was a child. 我小时候情况与现在不同。

We must strike while the iron is hot. 我们要趁热打铁。

It’s a long time since I met you last. 从上次见到你,已有很长时间了。

He waited until she was about to leave. 他等着一直到她准备离开。

除以上基本的引导时间状语从句的从属连词外,还有些本来不是从属连词却可用作从属连词的词:(1)表示“一…就”的从属连词:the moment, the minute, the second, the instant, immediately, directly, instantly, once, no sooner…than, hardly…when等。

如:Immediately he came I told him the news. 他一来我就把消息告诉了他。

The moment I saw him I knew there was no hope. 我一看到他就知道没希望了。

We had no sooner set out than it began to rain. 我们刚出发就下雨了。

Once he arrives, we can start. 他一来我们就可以开始。

(2)涉及time的几个从属连词:every time(每次),each time(每次),(the) next time(下次),any time(随时),the last time(上次),the first time(第一次)。

英语语法:时间状语从句用法解析

英语语法:时间状语从句用法解析

【导语】时间状语从句指⽤来表⽰时间,修饰主句的从句,时间状语从句虽然引导词数量不多,但容易混淆,所以经常成为考试考点,这次就为⼤家整理了时间状语使⽤时需要注意的点,快来⼀起学习吧!1.引导时间状语从句的引导词有:①表⽰某个时刻发⽣的动作:when、while、as、once②表⽰某个时刻之前发⽣的动作:before、until③表⽰某个时刻之后发⽣的动作:after、since2. when引导从句时,主从句的动作有先有后,也可以同时进⾏,从句的动作可以是持续性的,也可以是短暂的。

eg. When I go to the cinema, the movie had already started. (主先从后)(短暂性)When I watched movie, I used to eat ice cream. (同时) (持续性)When the movie ended, the people went back. (从先主后)3. while侧重主从句动作的对⽐,且从句的动词必须是持续性的。

eg. While we were chatting she was reading comic.4. as引导从句时侧重主从句动作同时或⼏乎同时进⾏,从句的动作可以是持续性的,也可以是短暂的。

eg. Sometimes I watch TV as I am having breakfast.5. 关于when的固定搭配:①…was/were doing…when…(正在做…突然)②…was/were about to do…when…(刚要做…突然)③…was/were on the point of doing…when…(刚要做…突然)④…had just done…when….(刚⼀…就)⑤Hardly/Scarcely had…done…when…(刚⼀…就)以上就是这次为⼤家带来的关于时间状语从句的⽤法解说了,⼤家都学到了吗?时间状语从句算是所有从句类型中最常⽤的⼀种,也是最容易学习的⼀种,所以⼤家在学习的过程中就算遇到了难题也不要轻易放弃,努⼒再前进⼀步就能找到⽅法了。

英语语法时间状语从句

英语语法时间状语从句

英语语法时间状语从句以下是CN人才网小编给大家推荐的英语语法时间状语从句,希望大家喜欢。

1.时间状语从句可由when,whenever,while,before,after,until,till,since,now that,once,as soon as等连词引起:Let’s wait until(till)the rain stops.等雨停了再说。

She comes to talk to me whenever she feels lonely.每当她感到寂寞时就来和我聊天。

As I talked, I gained some confidence.我一面谈着一面增强了信心。

Now that I have come back, I want to help you both.现在既然我回来了,我要帮助你们两人。

Once the train is moving, there is no way to stop it.一旦火车开动了就没法址它停下来。

2.由every time,the moment等词引起的从句也可以用作状语Every time I catch a cold, I have pain in my back.每回伤风我的背就疼。

Stormy applause broke forth the moment she appeared on the stage.她一在台上出现就响起暴风雨般的掌声。

He had impressed me that way the first time I met him.我第一次碰到他时,他就给我这个印象。

Be sure to call on us next time you come to town.下次进城你一定来找我们。

3.instantly,immediately,directly等词也可引起时间状语从句The machine will start instantly you press the button.你一按电钮机器就会开动。

英语语法时间状语从句关键词讲解

英语语法时间状语从句关键词讲解

英语语法时间状语从句关键词讲解英语语法时间状语从句关键词讲解一、什么是时间状语从句呢,其实,我们只要看到几个关键词就可以了,也就是用表示时间的连词连接一个句子作状语,这样的主从复合句就是时间状语从句。

连接时间状语从句的连接词有:when(当……时),while(在……期间),as(当……,一边……一边……),before(在……之前),after(在……之后),since(从……以来),till/until(直到),whenever(无论何时),as soonas(一……就)等,这里要特别注意的一点是,如果主句是一般将来时,从句只能用一般现在时表示将来意义。

同样的道理,主句是过去将来时和将来完成时,从句只能用一般过去时和现在完成时表示将来意义。

例如:1.When I went into the classroom, he was reading.当我走进教室时,他正在看书。

2.He read a newspaper as he went along.他边走边看报纸。

3. I didn't realize how special my mother was until I became an adult.直到我成年了,我才意识到我的妈妈是多么的特别。

4.We must strike while the iron is hot.我们必须趁热打铁。

5.I’ll telephone you as soon as I get there.我一到达那里就打电话给你。

二、由before和after引导的时间状语从句before的意思为“在……之前”,根据具体语境还可理解为“还没来得及/还没有……就……,趁着还没……就……,不知不觉就……,……才……”等。

注意before引导的从句不再用否定式的谓语,并且当before引导的从句位于主句之后,有时译成"就,才"。

如果before引导的主句谓语用的是过去完成时,则从句动词多用一般过去时,这样以便体现动作发生的先后。

九年级英语时间状语从句语法规律总结

九年级英语时间状语从句语法规律总结

九年级英语时间状语从句语法规律总结1.when 引导的时间状语从句when(当……时候)引导的从句,从句中的动词可以是终止性动词,也可以是持续性动词。

在when引导的时间状语从句中,当主句表示将来时,从句用一般现在时表示将来.I want to be a teacher when I grow up .长大后我想成为一名教师。

2.while引导的时间状语从句While(当……时候)引导的从句,强调主从句的动作同时发生或主句动作在从句动作持续过程中的某一时刻发生。

从句中的谓语动词应用延续性动词或表状态的词,并且从句常用进行时态。

I met Anne while I was taking a walk in the park.我在公园散步时遇到了安妮。

3.as soon as 引导的时间状语从句as soon as引导时间状语从句,表示“一……就……”。

主句和从句的动作几乎在同时发生,或间隔时间很短。

如果主句用一般将来时,那么从句用一般现在时表示将来。

Please call me up as soon as you arrive there.请你一到那儿就给我打电话。

4.before/after 引导的时间状语从句before(在……之前)引导的时间状语从句一般表示主句的动作发生在从句动作之前。

after (在……之后)引导的时间状语从句一般表示主句的动作发生在从句动作之后。

He will come to see you before he leaves Beijing.他离开北京之前会来看你的。

After she locked the door ,she left.她锁上门之后就走了。

5. until 引导的时间状语从句until(直到……)当其用于肯定句时,表示主句的动作一直持续到until从句所表示的时间,即表示动作的终点,谓语动词必须是持续性动词,如live, wait, stay等。

当其用于否定句时,表示主句的动作直到until从句所表示的时间才发生,即表示动作的起点,谓语动词为延续性或非延续性动词均可。

时间状语从句

时间状语从句

his homework.易错 Nhomakorabea1考点大观 易错辨析 通关训练
Once you see her, you will never forget her.
从现
主将
Please call me as soon as you arrive America.
主祈
从现
易错点3
考点大观 易错辨析 通关训练
when/while/as的区别
语法加油站
总结本单元的语法知识,你掌握了吗
2. While while表示"在……的时候"、"在……期间",它强调主句的动作 与从句的动作同时发生或主句的动作发生在从句的动作过程 中,while从句中必须是表示动作或状态的延续性动词, 如: The weather was fine while we were in Beijing. While we were swimming someone stole our clothes. While my wife was reading the newspaper, I was watching TV.
时间状语从句的分类
考点大观 易错辨析 通关训练
3. 表示持续,until 直到……才/为止
时间状语从句的分类
考点大观 易错辨析 通关训练
1. He waited for his father until it was
twelve o’clock.
2. He didn’t go to bed until he finished
考点大观 易错辨析 通关训练
典例1 I didn’t believe he could drive _____ he told me.
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英语语法辨析:时间状语从句
主要连词:when、while、as、as soon as(一......就......)、before、after、since等。

【注意1】时间状语从句要符合“主将从现”的原则:即主句用一般将来时,从句用一般现在时。

例如:
I will call you as soon as I arrive in Beijing.
我一到北京就给你打电话。

I will give you a call when I arrive at London.
我到伦敦后会给你打电话。

【注意2】since 的用法:since引导的时间状语从句必须是一般过去时,其主句必须时现在完成时。

例如:
Since I came to Beijing, I have lived here.
自从我来到北京,我一直住在这里。

【注意3】while 引导的时间状语从句中,谓语动词必须时持续的; when 引导的时间状语从句中,谓语动词可以持续也可以不持续。

例如:
While I was away last summer, my dog was taken good care of.
我去年夏天离开的那段日子里,我的狗被照顾的很好。

When I lived in that small village,I often went to play in the field.
当我住在那个小山村的时候,我经常去地里玩耍。

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