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初二英语时间状语从句讲解与练习

初二英语时间状语从句讲解与练习
初二英语时间状语从句讲解与练习

初二英语时间状语从句讲解与练习

撰稿:胡欲晓审稿:牛新阁责编:白雪雁

when, while 和 as 引导时间状语从句的用法

这三个词的意思很简单,都有“当……时候”的意思。但学生经常会问三个词的区别在哪儿,特别是在做选择题的时候。别说是学生,就我个人而言,做这样的选择题要保证百分之百的正确也是不可能的。现根据大量的实例和个人的思考,做一点小结,供大家参考。一、when 的用法

如果只从现象来看,when 从句用的最多的是一般过去时,而主句的时态没有限制,根据具体情况而定。

1. When he was a child he was always trying out new ideas.

他小时候就常常试验一些新的设想。

2. When she came into my room, I was just reading a book. 她走进我房间时,我正在看书。

3. Were you writing when the teacher came in? 老师进来的时候,你在写信吗?

4. Sorry, I was out when you called me. 对不起,你打电话来的时候我出去了。

5. He was on the point of leaving when someone knocked at the door.

他正要走,这时有人敲门。

6. I thought of it just when you opened your mouth. 就在你要说话

的时候,我也想到了。

7. I had hardly[scarcely] closed my eyes when someone knocked at the door.

我刚一闭上眼,就有人在敲门了。

根据以上的例句,我们可以总结出一点:when 从句的A事件,相当于另一个事件B发生的时间点。也就是说,when 从句的重点不在动作本身发生的状态,而只是把它作为一个时间点,所以when 多数情况下用的是一般过去时,则不用正在进行时。因为如果用正在进行时,它表示的就是一段时间而不是一个时间点了。根据这一点,有的文章补充说:when 从句的动词大多是瞬时动词。这种说法也可以参照。

实际上,when 从句也可以有其它的时态,但几乎也不用进行时,因为它也只是作为一个时间参照点。例如:

1. When I got to the airport, the guests had left. 当我赶到飞机场时,客人们已经离开了。

2. When he had finished his homework, he took a short rest.

当他完成作业后,他休息了一会儿。

3. Why do you want a new job when you have got such a good one already?

你已经找到如此好的工作,为何还想再找新的?

4. You shall borrow the book when I have finished reading it.

在我读完这本书后,你可以借阅。

5. When the manager comes here for a visit next week, I’ll talk with him about this.

下周,经理来这参观时,我会和他谈谈此事。

二、while 的用法

相比于when 来说,while 从句的侧重点就不一样了。while 从句的侧重点在于描述动作正在发生的状态,它的意思是:当while 事件正在发生的时候,另一件事如何如何。所以,while 从句一般用的是正在进行时。而另一件事的状态没有硬性的要求,根据具体情况而定。例如:

1. While my wife was reading the newspaper, I was watching TV.

当妻子正在看报纸的时候,我正在看电视。

2. While Jim was mending his bike, Lin Tao came to see him.

正当吉姆修自行车时,林涛来看他。

3. While they were talking, the bell rang. 正在他们谈话的时候,上课铃响了。

4. You can’t do your homework while you’re watching TV.

你不能一边看电视一边做家庭作业。

5. While John was sitting biting his nails, I was working out a plan to get us home.

约翰坐在那里咬指甲时,我正在制定一个回家的计划。

从时间的角度来看,while 表示的是一段时间,是一个过程。这

是while 的侧重点。因此,如果含有“一段时间”的含义的时候,就可以用while。

6. Strike while the iron is hot. 趁热打铁。

这句话中,是说趁着铁是热的这段时间,赶紧打铁。如果换成when 意思就变了,相当于说铁只热了一下,打一下,然后铁就冷了。这显然不符合文意。

再例:

—I'm going to the post office.

—While you're there, can you get me some stamps?

三、as 的用法

as 从句表示的也是一件事情正在发生,另一件事也正在进行当中。但与while 从句不同的是,as 从句用的一般不用正在进行时,而只是一般过去时。as 从句一般可以翻译成“边……边……”。例如:

1. As my mother sang those old songs, tears ran down her cheeks.

当我妈妈唱起那些老歌时,眼泪顺着她的脸颊流了下来。

2. The students took notes as they listened. 学生们边听课边做笔记。

3. As we talked on, he got more and more excited. 我们继续往下谈的时候,他越来越兴奋。

4. The little girls sang as they went. 小姑娘们一边走,一边唱。

5. Just as he caught the ball, there was a tearing sound.

当他抓住球的时候,有一种撕裂的声音。

as 表达的事件,往往只是主句动作发生的背景或条件时,as 只是一个次要的时间说明,不像while 从句有强调while 动作本身的意思。因此,as 常常翻译成“随着……”之意。

例如:

1. As the time went on,the weather got worse. 随着时间的推移,气候更加糟糕。

2. The atmosphere gets thinner and thinner as the height increases.

随着高度的增加,大气越来越稀薄。

3. As years go by,China is getting stronger and richer.

随着时间一年一年过去,中国变得越来越富强了。

少数情况下,如果强调动作正在发生,as 从句也可以用正在进行时。这只能算是特例了。

1. The sad mother sat on the roadside, shouting as she was crying.

伤心的妈妈坐在路边,边哭边叫喊。

2. As we were going out, it began to snow. 正当我们出门时,雪开始下起来。

3. He came in as I was going to bed. 我正要上床睡觉,他进来了。

四、when, while, as 的互换

如果从句动作和主句动作同时发生,并且从句动作为延续性动词时,when,while,as 可以互换使用。这种情况下,它们的细微区别

恐怕连英、美人自己也说不清了。

1. When /While /As we were dancing, a stranger came in.

当我们跳舞时,一位陌生人走了进来。[dance 为延续性动词]

2. When /While /As she was making a phone call, I was writing a letter.

当她在打电话时,我正在写信。[make为延续性动词]

3. While/When/ As I was walking down the street, I noticed a police car in front of the

bank.

我顺着马路往前走时,发现银行门前停着一辆警车。

五、比较while, when, as

1)as, when 引导短暂性动作的动词。

例如:Just as / Just when / When I stopped my car, a man came up to me.

我刹车后,有一个人向我走来。

2)当从句的动作发生于主句动作之前,只能用when 引导这个从句,不可用as 或while。

例如:When you have finished your work, you may have a rest.

干完活后,你可以休息一下。

3)从句表示“随时间推移”连词能用as,不用when 或while。

例如:As the day went on, the weather got worse.日子一天天过去,天气越变越坏。

2)比较until和till

此两个连词意义相同。肯定形式表示的意思是“做某事直至某时”,动词必须是延续性的。否定形式表达的意思是“直至某时才做某事”。动词为延续性或非延续性都可以。正确使用这两个连词的关键之一就在于判断句中的动词该用肯定式还是否定式。

肯定句:I slept until midnight. 我一直睡到半夜时醒了。

Wait till I call you. 等着我叫你。

(在肯定句中可用before代替。例如:Let's get in the wheat before the sun sets.)

否定句:She didn't arrive until 6 o'clock. 她直到6点才到。

Don't get off the bus until it has stopped. 公共汽车停稳后再下车。

I didn't manage to do it until you had explained how. 直到你教我后,我才会做。

区别:1)until可用于句首,而till通常不用于句首。

例如:Until you told me, I had heard nothing of what happened.

直到你告诉我以前,出了什么事我一点也不知道。

3)until when 疑问句中,until要放在句首。例如:

---Until when are you staying?你呆到什么时候?

--- Until next Monday.呆到下周一。

注意:否定句可用另外两种句式表示。

4)Not until…在句首,主句用倒装。

例如:Not until the early years of the 19th century did man know what heat is.

直到19 世纪初,人类才知道热为何物。

Not until I began to work did I realize how much time I had wasted.

直到工作,才认识到我已蹉跎了许多岁月。

5)It is not until…that….

例如:It was not until I began to work that I realized how much time I had wasted.

6)表示“一……就……”的结构

hardly/scarcely…when/before, no sooner…than和as soon as 都可以表示“一……就……”的

意思。

例如:

I had hardly / scarcely got home when it began to rain. 刚回家,就下起雨来了。

I had no sooner got home than it began to rain.

As soon as I got home, it began to rain.

注意:如果hardly, scarcely 或no sooner置于句首,句子必

须用倒装结构。

例如:

Hardly / Scarcely had I got home when it began to rain.

No sooner had I got home than it began to rain.

六、练习:在下列各句的空格中填入适当的连词

1._________ he comes tomorrow, I shall ask where he has been.

2._________ he was speaking, everybody listened carefully.

3.I saw her just _________ she was getting off the train.

4.Have a good look at that man _________ you pass him.

5.It was already eight o'clock _________ we got there.

6. I was about to go out _________ a visitor came.

7.We'll go to the country at the beginning of June, ______ the summer harvest will start.

8. He learned to speak German _________ he was in Berlin.

9. Henry is in charge of the office ________ Mr. Smith is away.

10. I listen to the recorder _________ I have time.

11. He had learned Chinese _________ he came to China.

12. _________ the work was done, we sat down to sum up experience.

13. I haven't seen him _________ he moved to the other side of the town.

14. I waited ________ he came back.

15. It was not ________ he took off his eyeglasses that I recognized him.

16. She likes everything to be in place ________ she starts to work.

17. The thieves ran away _________ they caught sight of the police.

18. They decided to go back home _________ their money ran out.

19. We played outside till sunset, _________ it began to rain。

20. __________ I get to the airport, I will phone you to pick me up.

21. They were about to leave ______ it began to rain.

22. He always stay in bed ______ lunch time.

23. I like playing tennis _________ my younger sister prefers watching ball games.

24. _________ I understand your viewpoint, I don’t agree with you.

25. _______ she grew older, she became more responsible.

Key:

1. When

2. While / When

3. as

4. when/as

5. when

6. when

7. when 8. while9. while10. whenever 11. before 12. After

13. since 14. till/until15. until 16. before17. as soon as 18. before

19. when20. As soon as21.when 22. until 23. while24. While

25. As

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高中英语人教版:必修一+状语从句专项讲解+

高考英语状语从句专项讲解 一、考点分析 状语从句主要考点在语法填空、翻译和作文。 二、专题详解 状语从句梳理 知识点1:分类 语从句可以分为以下九种: 1、时间状语从句 2、地点状语从句 3、原因状语从句 4、目的状语从句 5、结果状语从句 6、条件状语从句 7、方式状语从句 8、让步状语从句 9、比较状语从句 知识点2:具体用法 1) 时间状语从句:

as soon as Hardly/scarcely had…when No sooner had …than…. the moment.. the instant…the second…immediately directly…instantly…①As soon as I arrive in Shanghai, I’ll write to you.我一到上海就给你写信。 ② Hardly (scarcely) had I got home when it began to rain. 我刚一到家就下雨了。 ③No sooner had we got to the station than the train left. 我们刚到车站,火车就走了。 ④We had just begun the moment we were told to stop. 我们刚开始就被叫停。 ⑤I felt cheerful immediately I heard the song. 我一听到这首歌就感到很愉快。 ①hardly…when和no sooner…than的意义相当 于as soon as,但只表示过 去发生的事情,主句为过去 完成时,从句为过去时,如 hardly或no sooner位于句 首时语气强,而且主句的谓 语要用部分倒装。 ②名词短语连词: “一……就……” 主句+ the moment…从句 主句+the instant…从句 主句+the second…从句 ③ 副词短语连词: 主句+ immediately +从句 主句+ directly +从句 主句+ instantly+从句 every time =each time last time…next time…the first time ①Every time I traveled by boat, I got seasick. 我每次乘船都晕船。 ②Last time we saw you,you were too thin. 上次我们见到你的时候,你太瘦了。 every time=each time “每次……;每当……” last time…“上次……” next time…“下次……” the first time“第一次……”

高考状语从句讲解

状语从句 一、时间状语从句 1、when, while, as 和whenever when 表时间点,时间段 while 表时间段;有“而”的意思 as “当……”,“一边……一边”,“随着……” whenever 每当,无论什么时候 It is cold when it snows. While there is life, there is hope. While we were speaking, he was reading newspaper. Just as Mrs Richards was entering the dinning-room, there was a knock on the front door. As we age, we trade strength for ingenuity, speed for thoroughness, and passion for reason. 随着年龄的增长,我们用力量换来了机敏,以速度换来了严谨,以热情换来了理智。 注:1)when还可作并列连词,其意义为“那时,这时”,相当于and at this/that time。常用于下列句式: sb.was doing sth.when...某人正在干某事就在这时…… sb.was about to/ going to do sth.when...某人正打算干某事就在这时…… sb.body has just done sth.when...某人刚干了某事就在这时…… 2)如果主句表示的是短暂动作,而从句用延续性动词的进行时态表示在一段时间内正在进行的动作时,when,while 与as可互换使用。如: When/While/As I was walking down the street,I came across an old friend of mine. 2、before/ after It will be five years before we meet again.五年之后我们才能见面。 After you think it over, please let me know what you decide. After her husband had gone to work, she sent her children to school. 3、until, till, not...until 1)肯定句:主句的谓语是延续性动词,主从句均为肯定式,意为“某动作一直持续到某时间点才停止”

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 意为“在…的时候,在…的 同时”。While引导从句的 谓语动词必须是延续性While I was standing at the window, I saw several boys running along the street.

的,发生时间较长,并强调主句和从句的动作同时发生(或者相对应)。While 有时还可以表示对比。While John was watching TV, his wife was cooking. as 意为“一边…一边…”。As 引导的动作是延续性的, 发生时间较短,一般用于 主句和从句动作同时发 生;as也可以强调一前一 后。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. after 意为“在…之后”。表示主句 动作发生在从句动作之 后。主句与从句的动作时 间关系与before引导的从 句相反。With many hungry visitors waiting, don’t stay too long at your table after you have finished. If an early exit is necessary, you can leave after a scene is over. before 意为“在…之前”。引导的从 句不用否定形式的谓语, 并且当before引导的从句 位于主句之后,有时译成 “就,才”。当主句用将来时,You can’t watch TV before you finish your homework. Before it ended, the theatre was almost empty. My father had left for Canada

时间状语从句用法

要注意主句和从句的时态大多都要保持一致。) 1.由when, while, ,just ,just as, as,after, before, since, until, as soon as,引导的时间状语从句。例如: When you think you know nothing, then you begin to know something. 当你以为自己一无所知的时候,你就是在开始知道一些事物了。 When truth is buried under the ground ,it grows, it chokes, it gathers such an explosive force that on the day it bursts out , it blows up everything with it. 当真理被埋在地下的时候,它在生长,它感到压抑,它蓄存着这么一种爆炸性力量,一旦冒出,它就会炸破一切! Strike while the iron is hot. 趁热打铁。 You can feel the air moving as your hand pushes through it. 当你的手在空气中挥动的时候,你就能感觉到空气在流动。 Our headmaster laughed as she spoke. 我们的校长边谈边笑。 主要时态:主现从不现;主过从四过;主将从现。 when, while和as的区别 when引导的从句的谓语动词可以是延续性的动词,又可以是瞬时动词;动作既可以 和主句的动作同时发生,又可以在主句的动作前后发生。并且when有时表示“就在 那时”。 例如: When she came in, I stopped eating.她进来时,我停止吃饭。(瞬时动词) When I lived in the countryside, I used to carry some water for him. 当我住在农村时,我常常为他担水。(延续性的动词) We were about to leave when he came in.我们就要离开,就在那时他进来了。While引导的从句的谓语动作必须是延续性的,并强调主句和从句的动作同时发生 (或者相对应)。并且while有时还可以表示对比。 例如: While my wife was reading the newspaper, I was watching TV. (was reading是延续性的动词,was reading和was watching同时发生) 。 I like playing football while you like playing basketball. 我喜欢踢足球,而你喜欢打篮球。(对比) As表示“一边……一边”,as引导的动作是延续性的动作,一般用于主句和从句动 作同时发生;as也可以强调“一先一后。例如: We always sing as we walk.我们总是边走边唱。(as表示“一边……一边”)As we were going out, it began to snow.当我们出门时,开始下雪了。 (as强调句中两个动作紧接着先后发生,而不强调开始下雪的特定时间)

(完整版)初中英语语法专题(状语从句)讲解

初中英语语法专题(状语从句)讲解 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 条件 If, unless 原因 As, because, since 地点 Where 目的 So that, in order that 结果So that, so…that, such…that 让步 though, although, even if, however 方式 As 比较 t han, (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。 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,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。 让步状语从句: Though he is in poor health, he works hard.虽然他身体不好,但是他工作很努力。 方式状语从句: Students do as the teachers say.学生们按照老师说的去做。 比较状语从句: The work isn't as easy as I thought.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while, when, as的区别: when既可以指"时间点",与瞬间动词连用,也可以指"时间段",与延续性动词连用 (=while)。如: When he came in, his mother was cooking. When (While) we were at school, we went to the library every day. 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。 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.

状语从句用法讲解和练习

第章状语从句 学习指导 状语从句在句子中作状语,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。现分别列举如下: 状语从句分九类: 在这一章节的学习中,要求同学们掌握各类状语从句基本概念,并能够灵活应用。 第一节时间状语从句 时间状语从句用一般现在时表示将来。连接时间状语从句的连接词有:2.when,while,as均可表示“当……的时候”。 when强调“特定时间”,表示主句谓语动词的动作与从句谓语动词的动作是同时发生的,或从句的动作发生在主句的动作之前;while表 示的时间是一段,而不是一点,as多用在口语中,强调“同一时间”或“一前一后”,有时还有“随着”的含义。 When spring came, he felt like a trip.春天来了,他想去旅游。 As spring warms the good earth,all flowers begin to bloom.(as有“随着”的含义) as, when, while都表示主、从句的动作或状态同时发生,但三者也有

区别。as和when引导的从句既可表示一点时间,也可表示一段时间,从句中的谓语动词既可以是持续性动词,也可以为短暂性动词,经常可以互换使用;while引导的从句通常表示一段时间,从句中宜用持续性动词作谓语。当从句中的谓语动词为持续性动词时,这三者可以通用(前面例句中已有体现),再如: 1 / 18 Mother was worried because little Alice was ill, especially as / when / while father was away in France.妈妈担心,因为小艾丽思病了,特别是当父亲远在法国的时候。 如果从句和主句要表示一个人的两个动作交替进行或同时完成时,则多用as,可译为“一边......,一边......”。例如: He looked behind from to time as he went.他一边走,一边不时地往后看。 As time goes on, it's getting warmer and warmer..随着时间的推移,天气变得越来越暖了。 I thought of it just as you opened your mouth.你一张嘴我就知道你要 说什么。(若表示两个短促动作几乎同时发生时,用as的场合多于when.) 当主从句之间表示转折或对比关系时,多用while, 不用as或when。如:

状语从句讲解和练习

状语从句 状语从句修饰主句/主句的谓语。一般有九大类:表示时间、地点、原因、目的、结果、条件、让步、比较和方式等。 时间状语从句 1. 用when引导:when表示“当……时候”。如: Things were different when I was a child. 我小时候情况与现在不同。 People breathe more slowly when they are asleep. 人睡觉时呼吸比较缓慢。 2. 用while引导:while表示“当……时候”。如: We must strike while the iron is hot. 我们要趁热打铁。 I went swimming while the others played tennis. 我去游泳,其余的人都打网球去了。 注意:while 所引导的时间状语从句中谓语动词必须是持续性的,不能是短暂性的。 3. 用as引导:as表示“当……时候”“随着”。如: He dropped the glass as he stood up. 他站起来时,把杯子摔了。 We get wiser as we get old. 随着年岁的增长,我们也变得聪明些了。 4. 用before引导:before表示“在……之前”。如: Turn off the lights before you go to bed. 睡觉前要关灯。 Before he went to university he was a worker. 上大学之前他是工人。 5. 用after引导:after表示“在……之后”。如: I will tell you after they leave. 他们走我再告诉你。 After you finish the letter show it to me.信写完后给我看看。 6. 用until / till引导:until / till表示“直到……”。如: He waited until she was about to leave. 他等着一直到她准备离开。 I watched him until he disappeared in the distance. 我瞧着他直到他在远处消失。 这类句型的主句动词通常只能是延续性动词,不能是终止性动词。但是,在否定句中,主句动词可以是终止性动词,此时构成not…ntil [till]…句式,意为“直到……才……”。如:

英语入门之时间状语从句(完整)

[编辑本段] 简介 (adverbial clause of time) 概念:在复合句中,由时间连接词引导的状语从句叫做时间状语从句。(在复合句中,要注意主句和从句的时态大多都要保持一致。) 时间状语从句 1.由when, while, as,after,before,since,untill,引导的时间状语从句。例如: When you think you know nothing, then you begin to know something. 当你以为自己一无所知的时候,你就是在开始知道一些事物了。 When truth is buried under the ground it grows, it chokes, it gathers su ch an explosive force that on the day it bursts out , it blows up everything with it.当真理被埋在地下的时候,它在生长,它感到压抑,它蓄存着这么一种爆炸性力量,一旦冒出,它就会炸破一切! Strike while the iron is hot. 趁热打铁。 You can feel the air moving as your hand pushes through it. 当你的手在空气中挥动的时候,你就能感觉到空气在流动。 Our headmaster laughed as she spoke.我们的校长边谈边笑。 主要时态:主过从过;主将从现;主句为一般现在时,从句不受影响。 [编辑本段] 区别 when, while和as的区别:when引导的从句的谓语动词可以是延续性的动词,又可以是瞬时动词。并且when有时表示“就在那时”。例如:

状语从句专项练习经典(1)

必备英语状语从句专项练习经典 一、初中英语状语从句 1.We don't know the love of our parents _______ we become parents ourselves one day. A.until B.after C.when D.since 【答案】A 【解析】 句意:直到有一天我们成为父母,才知道父母的爱。本题考查连词。A. until到…为止,在…以前; 直到…才;B. after在…以后;C. when当···时候;D. since自从; 从…以来; Not until 直到···才···;不到···不···,是固定搭配,故选A。 2.Rony will get a chance to work in this company ________ he doesn’t pass the interview. A.unless B.when C.if D.after 【答案】A 【解析】 【详解】 句意“除非罗尼没有通过面试,否则他将有机会在这个公司上班”。A.除非;B.当……时候;C.如果;D.在……时候。根据句意可知,表示“除非他没有通过面试”,故选A。 3.You will fall behind others ______ you work hard. A.if B.unless C.though D.since 【答案】B 【解析】 试题分析:句意:如果你不努力学习,你会落后别人。A.because因为;B. If如果;C. Unless如果不; D. Though虽然。结合句意,故选B 考点:考查连词的用法. 4.It is necessary for children to exchange ideas with parents from time to time ________ a good parent-children relationship could be set up. A.so that B.because C.as soon as 【答案】A 【解析】 【详解】 句意“为了建立良好的亲子关系,孩子们有必要不时地与父母交流思想”。A.目的是,为的是(引导目的状语从句);B.因为(引导原因状语从句);C.一……就……(引导时间状语从句)。根据句意可知,表示“目的是为了建立良好的亲子关系”,表示目的,故选A。

时间状语从句地引导词

时间状语从句的引导词 when, before, after, as, while, till/until, since,whenever 时间状语从句的用法 时间状语从句的引导词所表示的意思不尽相同,要注意把握不同的时间状语从句的引导词所表示的不同时间关系,以及它在具体句子中对应的对应时态、语态等问题。 1. when、as、while引导的时间状语从句分析: (1) when引导时间状语从句时表示“当……的时候”,when既可以指时间段也可指时间点,从句中既可用短暂性动词又可用延续性动词,且动作既可和主句的动作同时发生又可在主句的动作之前或之后发生。 注意体会如下例句: I’ll call you when I get there. 我一到那里就给你打电话。 When the wind blows, all the doors rattle. 只要风一吹,这门就吱嘎作响。

When I came home my wife was cooking dinner. 我回家时,妻子在做晚饭。 如果when引导的时间状语从句的主语与主句主语相同,而从句的谓语又是be动词时,那么从句中的主语和be 可以省略;当when引导的时间状语从句的主语与主句主语相同时,往往还可以用“when+分词”的形式替代该状语从句。例如: When (you are) in trouble, ask her for help. 当你遭遇麻烦的时候去向她求助。 When I came into the room (=When coming into the room), I found him lying there asleep. 当我进入房间的时候,我发现他躺在那儿睡着了。 (2) while引导时间状语从句时表示“当……的时候”,它强调主句的动作与从句的动作同时持续地进行,用于这一用法时while引导的时间状语从句和主句中的谓语动词必须是延续性动词,或者主句的动作发生在从句动作的进行过程中,主句中的谓语动词通常是非延续性动词,例如 Study while you study; play while you play.

高中英语状语从句讲解和练习(含答案)之欧阳语创编

状语从句讲解和练习状语修饰动词、形容词、副词或整个句子。通常由副词、介词短语、动词不定式、分词和从句等担当。例如:1. Nat urally , our grandparents wer e pleased to get our phone call . (副词)2. We worked ha rd , from sunrise to sunset . (介词状短语)3. To help my d isabled aunt , I spend an ho ur working in her house ever y day . (不定式)4. Seen from a distance , the farmhouse l ooked deserted . (过去分词)

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