(完整word版)when和while用法小结
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when和while的用法和区别When 和 While 的用法和区别在英语学习中,when 和 while 这两个词常常让学习者感到困惑。
它们都可以用来引导时间状语从句,但在具体的用法和所表达的含义上却存在着一些差异。
下面我们就来详细探讨一下 when 和 while 的用法和区别。
一、When 的用法1、表示“当时候”,引导的动作可以是短暂性的,也可以是持续性的。
例如:When I got home, my mother was cooking (我到家时,妈妈正在做饭。
)在这个句子中,“got home”是短暂性动作。
2、还可以表示“就在这时,突然”。
例如:I was walking along the street when suddenly someone called me (我正在街上走着,突然有人叫我。
)3、 When 可以用来询问具体的时间。
例如:When did you come back? (你什么时候回来的?)二、While 的用法1、表示“在期间,当时候”,引导的动作通常是持续性的。
比如:While I was reading, he was playing games (我在读书的时候,他在玩游戏。
)这里“was reading”和“was playing games”都是持续性动作。
2、强调主句动作和从句动作同时发生。
例如:While he was doing his homework, I was watching TV (他在做作业的时候,我在看电视。
)三、When 和 While 的区别1、动作的性质When 引导的从句动作既可以是短暂性的,也可以是持续性的;而while 引导的从句动作通常是持续性的。
例如:When the doorbell rang, I was having a bath (门铃响时,我正在洗澡。
)(“rang”是短暂性动作)While I was sleeping, the phone rang (我睡觉的时候,电话响了。
when 和while 的用法和区别while 和when 都是表示同时,到底句子中是用when 还是while 主要看从句和主句中所使用的动词是短暂性动作(瞬时动词)还是持续性动作。
1、若主句表示的是一个短暂性的动作,而从句表示的是一个持续性动作时,两者都可用。
如:He fell asleep when [while] he was reading. 他看书时睡着了。
I met him when [while] I was taking a walk in the park. 我在公园散步时遇到了他。
2、若主、从句表示两个同时进行的持续性动作,且强调主句表示的动作延续到从句所指的整个时间,通常要用while。
如:Don’t talk while you’re eating. 吃饭时不要说话。
I kept silent while he was writing. 在他写的时候,我默不作声。
3、若从句是一个短暂性动作,而主句是一个持续性动作,可以when 但不用while。
如:When he came in, I was listening to the radio. 他进来时,我在听收音机。
It was raining hard when we arrived. 我们到达时正下着大雨。
4、若主、从句表示的是两个同时(或几乎同时)发生的短暂性动作,一般要用when。
如:I thought of it just when you opened your mouth. 就在你要说的时候,我也想到了。
如果是进行时态,一般是持续性的。
如果是过去式,一般是短暂性动作。
对于,填写when 还是while 的问题,通常首先看主句和从句中的时态,再根据以上4个规律来判断填写那个单词。
主句从句(过去时)(过进:was/were +doing )短暂性when 短暂性(过去时)(过去时) 持续性He fell asleep when [while] he was reading.持续性while 持续性(一般现在/过去时)(过进:was/were +doing ) Don’t talk while you’re eating. I kept silent while he was writing.(现进:am/is/are +doing )(现进:am/is/are +doing )(过进:was/were +doing )(过进:was/were +doing ) I was watching TV while My mother was cooking (动作同时发生)持续性(过进:was/were +doing )(过去时) I was listening to the radio When he came in.I thought of it just when you opened your mouth.用 when 或 while 填空1 Tom was eating supper, it began to rain outside.2 Don't use your phone you are driving a car.3 What were you doing Mr. Zhou came in ?4 Jim is good at math Mary is good at English.5 We were watching TVthe electricity was off.. 6Peter was sleeping; a thief broke into his house.7 It snowed we arrived in Tokyo.8 She left her hometownshe was five. when 短暂性短暂性when/while9I was studying in the library the UFO landed选用when 或while 填空。
when 和while的用法区别①when是at or during the time that, 既指时间点,也可指一段时间;while是during the time that,只指一段时间,因此when引导的时间状语从句中的动词可以是终止性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。
②when 说明从句的动作和主句的动作可以是同时,也可以是先后发生;while 则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。
③由when引导的时间状语从句,主句用过去进行时,从句应用一般过去时;如果从句和主句的动作同时发生,两句都用过去进行时的时候,多用while引导,如:a. When the teacher came in, we were talking.当此句改变主从句的位置时,则为:While we were talking, the teacher came in.b. They were singing while we were dancing.④when和while 还可作并列连词。
when表示“在那时”;while表示“而,却”,表对照关系。
如:a. The children were running to move the bag of rice when they heard the sound of a motor bike.孩子们正要跑过去搬开那袋米,这时他们听到了摩托车的声音。
b. He is strong while his brother is weak.他长得很结实,而他弟弟却很瘦弱。
when,while,as引导时间状语从句的区别when,while,as显然都可以引导时间状语从句,但用法区别非常大。
一、when可以和延续性动词连用,也可以和短暂性动词连用;而while和as只能和延续性动词连用。
①Why do you want a new job when youve got such a good one already?(get 为短暂性动词)你已经找到如此好的工作,为何还想再找新的?②Sorry,I was out when you called me.(call为短暂性动词)对不起,你打电话时我刚好外出了。
while和when语句的用法"While"和"When"都可以用作连接词,引导时间状语从句,但在使用上有一些区别。
1. "While"一般表示两个动作或事件在同时发生。
它可以引导一个时间段的从句,主要强调两个动作或事件的同时发生。
例如:- While I was watching TV, my phone rang.(当我正在看电视时,电话响了。
)- I saw him while I was walking to the store.(我正在走向商店的路上时看到了他。
)2. "When"表示一个事件或动作发生的具体时间点。
它引导的从句强调事件或动作发生的某个时间点。
例如:- I will call you when I arrive home.(我到家的时候会给你打电话。
)- When he arrived at the party, everyone cheered for him.(当他到达派对时,大家为他欢呼。
)此外,"While"还可以用作连词引导对比关系,表示两个相反或不同的情况。
例如:- She loves to swim, while her brother hates water.(她喜欢游泳,而她哥哥讨厌水。
)- While some people prefer hot weather, others enjoy the cold.(尽管有些人喜欢炎热的天气,但也有人喜欢寒冷的天气。
)。
when 和while的用法区别①when是at or during the time that, 既指时间点,也可指一段时间;while是during the time that,只指一段时间,因此when引导的时间状语从句中的动词可以是终止性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。
②when 说明从句的动作和主句的动作可以是同时,也可以是先后发生;while 则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。
③由when引导的时间状语从句,主句用过去进行时,从句应用一般过去时;如果从句和主句的动作同时发生,两句都用过去进行时的时候,多用while引导,如:a. When the teacher came in, we were talking.当此句改变主从句的位置时,则为:While we were talking, the teacher came in.b. They were singing while we were dancing.④when和while 还可作并列连词。
when表示“在那时”;while表示“而,却”,表对照关系。
如:a. The children were running to move the bag of rice when they heard the soundof a motor bike.孩子们正要跑过去搬开那袋米,这时他们听到了摩托车的声音。
b. He is strong while his brother is weak.他长得很结实,而他弟弟却很瘦弱。
when,while,as引导时间状语从句的区别when,while,as显然都可以引导时间状语从句,但用法区别非常大。
一、when可以和延续性动词连用,也可以和短暂性动词连用;而while和as只能和延续性动词连用。
①Why do you want a new job when youve got such a good one already?(get 为短暂性动词)你已经找到如此好的工作,为何还想再找新的?②Sorry,I was out when you called me.(call为短暂性动词)对不起,你打电话时我刚好外出了。
(完整word版)when和while用法小结连词while的用法连词while的用法有好几种,使用时不可掉心轻心,它大数有以下几种用法:1、表示时间,意思是“当……的时候”,while可以位于句首,也可以位于句中。
我们在看电视时,她一个人在房间里读小说。
,the telephone rang . 他正在整理行装,电话铃响了。
,she fell asleep . 她听着收音机睡着了。
While引导从句时,如主句和从句的主语一致,从句的谓语又含有be,那么从句的主语和be可省略,While 后可直接跟现在分词、名词、形容词或介词短语。
a. We are students while ( we are ) serving as teachers. 我们一面当老师,一面当学生。
b. While (he was )yet a youth he gained many prices. 当他还是个青年时,他就多次获奖。
c. She never dreams 她睡着时从来不做梦。
d. Tom had an accident 在来这儿的途中,汤姆出了事故。
2、表示对比或转折,意思是“而”,这时,While一般位于句中,如:Kate was dressed in green while Jenny was dressed in red .凯特穿绿色衣服,而詹妮穿绿色衣服。
She likes singing and dancing while her brother would rather read novels …, 而她弟弟喜欢小说。
Young people are like the sun rising in the east while old people are like the sun setting in the west .年轻人犹如旭日东升,而老年人犹如日薄西山。
a. She though I was talking about her daughter , in fact , I was talking about my daughter .(NMET’95)A. whomB. whereC. whichD. whileb. I do every single bit of housework my husband Bob just does the dishes now and then .[04广西] A.since B.while C.when D.as3、表示让步,通常用在句首,意思是“尽管”、“虽然”,如:While he had a handsome income, h e couldn’t afford to buy a piano.他虽然收入不少,但卖不起钢琴。
when和while的用法当我们学习英语时,经常会遇到一些看似相似但实际用法却不同的词语,比如when和while。
虽然它们都可以表示“当”的意思,但在具体用法和含义上却存在一些差异。
本文将探讨when和while的用法及其区别。
首先,让我们从when开始。
当我们使用when时,通常表示某个事件或情况发生的具体时间。
when后面可接一个单词、一个短语或一个从句,用来说明具体的时间条件。
例如:1. I was reading a book when the phone rang.(电话响起时,我正在看书。
)2. When I was younger, I used to play soccer every day.(我年轻时,每天都踢足球。
)3. He always feels sleepy when he eats too much.(当他吃太多东西时,他总是感到困倦。
)在上述例句中,when用来表示某个事件或情况发生的时间点或时间范围,指明了具体的时间条件和事件发生时的状态。
接下来,我们来看while的用法。
与when不同,while更强调两个事件或情况的同时发生。
while后面通常接一个从句,用来说明两个同时进行的事件或情况。
例如:1. I like to listen to music while I'm cooking.(我喜欢一边做饭一边听音乐。
)2. While he was studying for the exam, his friends were playing video games.(他在备考期间,他的朋友们正在玩电子游戏。
)3. She was walking her dog while talking on the phone.(她一边遛狗一边打电话。
)在上述例句中,while表示两个事件或情况的同时发生,强调了两者的同时性和并行性。
除了表示时间上的区别外,when和while还可以用于强调不同的语境。
"when" 和 "while" 都是英语中表示时间的连词,但它们的用法和含义略有不同。
1. "when" 的用法:
* "when" 通常用于表示某件事情正在发生的时候,另外一件事情发生了。
* "when" 可以用于各种时态,包括过去时、现在时和将来时。
* "when" 也可以用于表示条件,相当于 "if"。
* "when" 还可以用于表示对比。
* "when" 引导的时间状语从句通常用一般现在时表示将来时。
2. "while" 的用法:
* "while" 通常用于表示两个持续进行的动作或状态之间的对比或矛盾。
* "while" 也可以用于表示两个相反的事物或概念之间的对比或矛盾。
* "while" 可以用于表示两个或多个并行的事物或概念之间的对比或矛盾。
* "while" 可以用于表示某种行为或状态的持续时间。
* "while" 可以用于表示条件,相当于 "if"。
* "while" 引导的时间状语从句通常用进行时态。
总的来说,"when" 和 "while" 的用法比较相似,但它们在具体的使用中还是有一些区别的。
需要根据具体的语境和需要表达的含义来选择使用哪个连词。
when和while的用法when和while都是英语中常见的从属连词,用于引导时间状语从句。
它们在用法和意义上有一些区别,下面将详细介绍它们的用法。
1. when的用法当我们引导一个时间状语从句表示一个特定的时间点或者一个瞬间事件发生时,我们使用when。
when可以用于过去、现在和将来的时间。
以下是一些使用when的例句:- I met her last week when I was walking in the park.(当我在公园散步时,我在上周遇到了她。
)- We always have lunch at 1 o'clock when we are at work.(当我们在工作时,我们总是在1点吃午饭。
)- I will call you when I arrive at the airport.(当我到达机场时,我会给你打电话。
)2. while的用法当我们引导一个时间状语从句表示一个持续的时间段,也就是一个动作或状态在另一个动作或状态发生期间发生时,我们使用while。
while通常用于描述两个同时进行的动作或状态。
以下是一些使用while的例句:- He was watching TV while she was cooking dinner.(当她在做晚饭时,他在看电视。
)- The children were playing in the garden while their parents werehaving a conversation.(当他们的父母在交谈时,孩子们在花园里玩耍。
)- I listen to music while I'm driving to work.(当我开车去上班时,我会听音乐。
)3. 区别和注意事项- 使用when时,主句和从句的动作通常是相互独立的,没有相互影响。
而使用while时,主句和从句的动作通常是相互关联的,互相影响。
(完整版)while、when和as的用法区别as when while 的区别和用法as when while的用法它既可表示一个具体的时间点,也可以表一、as的意思是“正当……时候”,线示一段时间。
as可表示主句和从句的动作同时发生或同时持续,即“点点重合”“线重合”;又可表示一个动作发生在另一个动作的持续过程中,即“点线重合”,但不能表示两个动作一前一后发生。
如果主句和从句的谓语动词都表示持续性的动作,二者均可用进行时,也可以一个用进行时,一个用一般时或者都用一般时。
1、As I got on the bus,he got off. 我上车,他下车。
(点点重合)两个动作都是非延续性的2、He was writing as I was reading. 我看书时,他在写字。
(线线重合)两个动作都是延续性的3、The students were talking as the teacher came in. 老师进来时,学生们正在讲话。
(点线重合)前一个动作是延续性的,而后一个动作时非延续性的在……期间(for二、while的意思是“在……同时(at the same time that )”“as long as, during the time that)”。
从while的本身词义来看,它只能表示一段时间,不能表示具体的时间点。
在时间上可以是“线线重合”或“点线重合”,但不能表示“点点重合”。
例如:1、He was watching TV while she was cooking. 她做饭时,他在看电视。
(线线重合)2、He was waiting for me while I was working. 我工作的时候,他正等着我。
(线线重合)3、He asked me a question while I was speaking. 我在讲话时,他问了我一个问题。
(点线重合)三、when的意思是“当……时候(at the time that)”“无论什么时候在……以后(after)”。
连词while的用法连词while的用法有好几种,使用时不可掉心轻心,它大数有以下几种用法:1、表示时间,意思是“当……的时候”,while可以位于句首,也可以位于句中。
我们在看电视时,她一个人在房间里读小说。
,the telephone rang . 他正在整理行装,电话铃响了。
,she fell asleep . 她听着收音机睡着了。
While引导从句时,如主句和从句的主语一致,从句的谓语又含有be,那么从句的主语和be可省略,While 后可直接跟现在分词、名词、形容词或介词短语。
a. We are students while ( we are ) serving as teachers. 我们一面当老师,一面当学生。
b. While (he was )yet a youth he gained many prices. 当他还是个青年时,他就多次获奖。
c. She never dreams 她睡着时从来不做梦。
d. Tom had an accident 在来这儿的途中,汤姆出了事故。
2、表示对比或转折,意思是“而”,这时,While一般位于句中,如:Kate was dressed in green while Jenny was dressed in red .凯特穿绿色衣服,而詹妮穿绿色衣服。
She likes singing and dancing while her brother would rather read novels …, 而她弟弟喜欢小说。
Young people are like the sun rising in the east while old people are like the sun setting in the west .年轻人犹如旭日东升,而老年人犹如日薄西山。
a. She though I was talking about her daughter , in fact , I was talking about my daughter .(NMET’95)A. whomB. whereC. whichD. whileb. I do every single bit of housework my husband Bob just does the dishes now and then .[04广西] A.since B.while C.when D.as3、表示让步,通常用在句首,意思是“尽管”、“虽然”,如:While he had a handsome income, h e couldn’t afford to buy a piano.他虽然收入不少,但卖不起钢琴。
While they are my neighbours, I don’t know them well. 尽管他们是我的邻居,但我不了解他们。
,I think they went too far.我虽然同情他们,但也感到他们做得有些过分了。
,he was not loved. 他虽然受到尊敬,但没有受到喜爱。
,he is very strict with them . 虽然他爱他的学生,可是他对学生们很严格。
4、表示条件,意思是“只要”(=as long as). While 可以位于句首,也可以位于句中。
You don’t have to worry while we are here .只要我们在,你就别着急。
There will be life while is water and air. 只要有空气和水,就有生命。
While there is life, there is hope. 留得生命在,不怕没希望。
5、“同时,也”.While the book is welcomed by scholars, it will make an immediate appeal to the general readers.这本书受到学者的欢迎,同时也会引起一般读者的兴趣。
6、“趁着”. Make hay while the sun shines.晒草要趁阳光好。
(谚)strike while the iron is hot.趁热打铁。
(谚)While the roses are yet in bloom , will you come with me to see them?趁着玫瑰花还开着,你我一道去看好吗?1.——I am going to the post office ——you’re there ,can you get me some stamps ?(99)A.as B.while C.because D.If2.the WTO cannot live up to its name it does not include a country that is home to one fifth of mankind .(2000) A.as long as B.while C.If D.even though3. I know the money is safe , I shall not worry about it .(03北京)A.Even though B.Unless C.while D.As long as4. We were told that we should follow the main road we reached the central railway station .(04辽宁) A.Even though B.until C.while D.wherever5. modeling business is by no means easy to get into, the good model will always be in demand.(04浙江) A.While B.Since C.As D.If6. I accept that he is not perfect, I do actually like the person.(04 湖南)A.While B.Since C.As D.Unless7. The cost of living in Glasgow is among the lowest in Britain, the quality of life is probably one of the highest.(06 天津)A.since B.when C.as D.while8. I really don’t like art , I find his work impressive.[07山东]A.As B.since C.If D.while9. In some places women are expected to earn money men work at home and raise their children .[08四川] A.but B.while C.because D.though10. the Internet is of grea t help ,I don’t think it’s a good idea to spend too much time on it .(08湖南)A.If B.while C.Because D.As11.-Are you ready for Spain? ---Yes, I want the girls to experience that they are young.(08年上海) A.while B.until C.if D.before高考英语when 的用法命题走向与解题策略[高考走向] When 的用法在高考中也是重现率较高的语言点,尤其是when用作关系副词来引导定语从句。
综观近几年的高考英语试题,其考查方式多通过“单项填空”进行,偶尔也出现在“短文改错”和“完形填空”中。
一、When(at that time)用作副词1.用作关系副词,引导定语从句起状语作用,既不能作动词的宾语,也不能作介词的宾语。
译为“当…时”相当于“介词at, in, on, during+which结构”[高考考例] 1. We are living in an age many things are done on computers.A.which B.that C.whose D.when (MET2003春北京单项填空)[高考考例] 2. You will see the day China will catch the highly developed countries.A.that B.when C.which D.on when (1985全国)又如:…I also enjoyed the evenings when we spent together …(NMET95短文改错)[思路点拨]答案是把when改为that 或which,或划掉when.[高考考例] 3. I shall never forget those years I lived in the county with the farmers , has a great effect on my life .(1994年上海高考题)A.that ,which B.when, which C.which ,that D.when, who比较:I shall never forget those years which I spent together with you .[高考考例] 4. Then the .great day came 43 he was to march past the palace in the parade .(接受检阅的队伍)….(NMET98完型填空)A.where B.since C.when D.till注意:When 还可以用作关系副词,引导非限制性定语从句。
[高考考例] 5. It was an exciting moment for these football fans this year . for the first time in years their team won the World Cup .[2000年普通高等学校春季招生全国统一考试(北京、安徽卷)]A.that B.while C.which D.when常考句型:There are times when …There was a time when Gone are the days when….例如:There are times . 有时我也不明白我为什么要做这个工作。