when 用法小结
when的特殊用法

2. I was walking along the river ____ I heard a cry for help .
A. while B. since C. when D. as
3. We were swimming in the lake ______ suddenly the storm started .
A. when B. while C. until D. before
4.Jasmine was holidaying with her family in a wildlife park _____ she was bitten on the leg by a lion .
A. when B. while C. since D. once
… be just going to do.. when… 正要…这时
… had just done … when.. 刚做了..这时
… be on the point of doing .. when 正要…这时
1.I was about to swim in the river ____ the guide told me there were man-eating fish in it .
A. walked , when B. is walking , as C. was walking , when D. was walking , while
11. Jack had flown thousands of miles ____ his enginethe desert .
A. while B. when C. before D. after
九大状语从句重难点讲解

状语从句分类:(九大类)时间、地点、原因、条件、让步、结果、目的、方式、比较。
Part 1 时间状语从句:最常用的连接词:When,while,as , before , after , as soon as, until, not until次常见的连接词:The moment\minute, immediately, hardly…when, no sooner than问题一:●We wew swimming in the lake_______suddenly the storm started.A\when B\while C\until D\before●He was about to tell me the secret ______someone patted him on the shoulder A\as B\until C\while D\when●-Did Jack come back early last night? -Yes,it was not yet 8:00 _____hearrived home.A\before B\when C\that D\until●He was about halfway through his meal______a familiar voice came to his ears. A\why B\where C\when D\while一、时间状从中连接词when的用法小结:1、when引导的时间状从的谓语动词可以是可延续的,也可以是表短暂性的动词,可用于主句和从句动作同时发生或从句动作先于主句动作。
例:When the film ended,the people went back.When I lived there,I used to go to the seashore on Sundays.2、可用作并列连词,其意义是“那时,这时”,相当于and at this\that time.常用于以下句式:was about to do sth. … when…\be (on the point of) doing sth. …when…(刚要…这时突然…)e.g.I was about to stop pretending to being listening to the class to listen towhat the teachers said when Mr. Li shouted at me so loudly that the whole class can hear.3、还可以表示原因“既然”,相当于since,considering that.如:It was foolish of you to take a taxi when you could easily walk there in 5 minutes.问题二:●The cost of living in Glasgow is among the lowest in Britain,_____the qualityof life is probably one of the highest.A\since B\when C\as D\while●______I accept that he is not perfect,I do actually like the person.A\While B\Since C\Before D\Unless二、时间状从中连接词while 的用法小结:1、while 引导的动作必须是持续性的,强调某一段时间内,主从句动作同时发生,或主从句中的动作或事物在从句中的动作或事情的进展过程中发生。
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, he couldn’t afford to buy a piano.他虽然收入不少,但卖不起钢琴。
高考It++be++时间+++从句”结构总结

高考It +be+ 时间+ 从句”结构总结一在“It +be+ 时间+ 从句”结构中,引导从句的从属连词有before, that, since, until (till ), when 等。
这一结构是近几年高考常考的知识点,现将它们的用法小结如下:一、It +be (not )+ 时间段+before 从句。
其中的主句是肯定式时,意为“过多长时间才……”;主句是否定式时,意为“没过多久就……”。
例如:1. It was not long before the whole country rose and drove the Austrian soldiers from their homeland. 不久,全国人民便奋起反抗,把奥地利军队从他们的国土上赶了出去。
2. It may be five or six years before the new medicine is tested on human beings.要过五六年时间这种新药才能在人身上做试验。
3. It was two months before he designed the bridge. 过了两个月,他设计出了这座桥梁。
二、It +will be (was )+ 时间段+until 从句若主句中用一般将来时,则从句中用一般现在时,意思是从现在起到从句中谓语动词表示的动作发生时还有多长时间;若主句中用一般过去时,则从句中也用一般过去时,意思是从过去某一时间起到从句中谓语动词表示的动作发生还有多长时间。
例如:1. It will be ten days until my birthday comes. 到我生日还有十天。
2. It was only five minutes until her husband came back from work.当时离她丈夫下班只有五分钟了。
注意:结构“一”与结构“二”在肯定句中几乎可以通用。
when的用法小结

when 用法小结不管是在口语中,还是在书面语中,when是一个十分活跃的词,该词主要用作连词和副词,但是在意义方面其用法比较复杂。
一、作副词1. 作疑问副词,用于构成特殊疑问句,意为“什么时候;何时”。
When will they come back?他们什么时间回来?When can you finish the work? 你什么时间能完成这项工作?2. 作连接副词,引导名词性从句,或与不定式连用,意为“什么时候”。
Can you tell me when the bank opens?你能告诉我银行什么时候开门吗?When she'll be back depends on the weather. 她何时回来取决于天气。
Have you decided when to go sightseeing?你们已经决定什么时候去郊游了吗?3. 作关系副词,引导定语从句。
The main school holidays are from mid-December till early February,when the days are long and warm. 学校的主要假期是从12 月中旬到2 月初,这段时间里白天长而且很温暖。
Do you remember the time when the three of us went on a holiday in Guilin?你还记得我们三个人在桂林度假的那段时光吗?二、作从属连词,引导状语从句。
1. 表示时间,意为“当……时;在……的时候”。
When you see him, please say hello to him. 见到他时,代我问他好。
When I reached the station,the train had left. 当我到达火车站时,火车已经开走了。
2. 表示条件,相当于if。
How can I get a job when I can't even read or write?如果我连读和写都不会,我怎么能找到工作呢?3. 表示对比,相当于whereas, while, since, 意为“既然;然而”。
when在肯定句中的用法

when在肯定句中的用法
在肯定句中,“when”的用法主要有以下几种:
1. 时间状语从句:当“when”引导时间状语从句时,它表示某个动作发生的时间点或时间段。
例如:“When the phone rang, I was having dinner.”(电话响的时候,我正在吃饭。
)
2. 定语从句:在某些情况下,“when”也可以引导定语从句,用来修饰某个名词或代词。
例如:“I remember the day when we first met.”(我记得我们第一次见面的那一天。
)
3. 表示条件:“when”也可以表示某种条件,用于引导条件状语从句。
例如:“When you have finished your work, you can go home.”(完成工作后,你就可以回家了。
)
请注意,“when”的具体用法可能因语境和习惯用法而有所不同,建议查阅英汉词典或语法书了解更多相关信息。
when 用法小结
when 用法小结不管是在口语中,还是在书面语中,when是一个十分活跃的词,该词主要用作连词和副词,但是在意义方面其用法比较复杂。
一、作副词1. 作疑问副词,用于构成特殊疑问句,意为“什么时候;何时”When will they come back?他们什么时间回来?When can you finish the work? 你什么时间能完成这项工作?2. 作连接副词,引导名词性从句,或与不定式连用,意为“什么时候”Can you tell me when the bank opens?你能告诉我银行什么时候开门吗?When she'll be back depends on the weather. 她何时回来取决于天气。
Have you decided when to go sightseeing?你们已经决定什么时候去郊游了吗?3. 作关系副词,引导定语从句。
The main school holidays are from mid-December till early February,when the days are long and warm.Do you remember the time when the three of us went on a holiday in Guilin?你还记得我们三个人在桂林度假的那段时光吗?二、作从属连词,引导状语从句。
1. 表示时间,意为“当……时;在……的时候”When you see him, please say hello to him. 见到他时,代我问他好。
When I reached the station,the train had left. 当我到达火车站时,火车已经开走了。
2. 表示条件,相当于ifHow can I get a job when I can't even read or write?如果我连读和写都不会,我怎么能找到工作呢?3. 表示对比,相当于whereas, while, since, 意为“既然;然而”How can I help them to understand when they won't listen to me?既然他们不愿听我的,我又怎么能帮助他们弄明白呢?4. when 从句中使用虚拟语气,意为“本来……却……”She paid when she could have entered free. 本来可以免费入场,而她却付了款。
when的用法总结大全
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when 用法小结
when 用法小结When 是一个常见的英语词汇,用于表达时间、条件或原因。
它有多种用法,下面将对这些用法进行小结。
1. 表示时间的用法1.1 定义时间点当 When 用来表示特定的时间点时,通常配合具体的日期或者时间使用。
例如:- I was born in 1990 when the Berlin Wall finally fell.(当柏林墙终于倒塌时,我出生了。
)- When did you arrive at the airport?(你什么时候到达机场的?)1.2 表示一段时间当 When 用来表示一段时间时,可以与介词 for 或 during 搭配使用。
例如:- I will be away on a business trip for a week starting from tomorrow. When I'm away, please take care of my plants.(从明天开始,我将因出差离开一周时间。
我离开时,请照顾好我的植物。
)- He injured his leg during the soccer game when he collided with another player.(在他和另一个球员碰撞时,他受了腿部的伤。
)2. 表示条件的用法When 可以用来描述特定的条件或情况,并引导一个条件从句。
例如:- I'll go to the park when the weather gets better.(天气好转时,我会去公园。
)- Please inform me when you finish your report.(你完成报告时,请告诉我。
)3. 表示原因的用法当 When 用来表示原因时,常与 because 或 as 引导原因状语从句。
例如:- I couldn't sleep when I was thinking about the upcoming exam.(当我想着即将来临的考试时,我无法入睡。
复合句之状语从句
3. when 还有一些较为灵活的翻译:
虽然/鉴于/如果/届时/
虽然 1) He walks when he might take a taxi. 2) The Queen will visit the town in May, when she 届时 will open the new hospital. 3) How can you hope for mercy yourself when you show none? 如果 4) How could I live in Los Angeles when all my favorite people live here? 鉴于, 既然
1. when, while, as (一)连接词when的用法小结
1. when可用来引导时间状语从句,意为“当……的时候”从句的 谓语动词可以是延续性的,也可以是终止性的。(区别while) When the film ended, they went back. 2. When 常用于下列句式: when为并列连词意为“就在这时”。 be doing …when be about to do…when be on the point of doing... when… 1) They were walking down the street when they saw an accident. 2) I was about to go swimming when our guide stopped me.
注意:as从句通常将作表语的adj/n.、作状语的adv、 作 谓语的do(情态动词后的动词原形)提到句首, 但单数名词 前的冠词必须省略。)
小结:
当….的时候 when ★这时,正在这时 ★既然 ,鉴于 当…的时候 while ★而,然而 趁着…的时候
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when 用法小结不管是在口语中,还是在书面语中,when是一个十分活跃的词,该词主要用作连词和副词,但是在意义方面其用法比较复杂。
一、作副词1. 作疑问副词,用于构成特殊疑问句,意为“什么时候;何时”When will they come back?他们什么时间回来?When can you finish the work? 你什么时间能完成这项工作?2. 作连接副词,引导名词性从句,或与不定式连用,意为“什么时候”Can you tell me when the bank opens?你能告诉我银行什么时候开门吗?When she'll be back depends on the weather. 她何时回来取决于天气。
Have you decided when to go sightseeing?你们已经决定什么时候去郊游了吗?3. 作关系副词,引导定语从句。
The main school holidays are from mid-December till early February,when the days are long and warm.Do you remember the time when the three of us went on a holiday in Guilin?你还记得我们三个人在桂林度假的那段时光吗?二、作从属连词,引导状语从句。
1. 表示时间,意为“当……时;在……的时候”When you see him, please say hello to him. 见到他时,代我问他好。
When I reached the station,the train had left. 当我到达火车站时,火车已经开走了。
2. 表示条件,相当于ifHow can I get a job when I can't even read or write?如果我连读和写都不会,我怎么能找到工作呢?3. 表示对比,相当于whereas, while, since, 意为“既然;然而”How can I help them to understand when they won't listen to me?既然他们不愿听我的,我又怎么能帮助他们弄明白呢?4. when 从句中使用虚拟语气,意为“本来……却……”She paid when she could have entered free. 本来可以免费入场,而她却付了款。
She stopped trying when she might have succeeded next time.她本来下次有可能获得成功,但她却不再尝试了。
三、作并列连词表示前面的叙述所没有提到过的信息,对所描述的事件予以引人注目的强调,意为“这时;突然”大致有以下三种情况:1. be doing sth. whenI was thinking of this when I heard my name called. 我正想着这件事,突然听到有人叫我的名字。
2. be about to do sth. whenWe were about to start when it began to rain. 我们刚要出发就开始下雨了。
3. sb. had hardly/scarcely/barely... whenWe had hardly fallen asleep when the bell rang. 我们刚刚入睡,铃声就响了起来。
四、作代词,意为“什么时候,何时”,常用在since,till,up to等之后。
Since when have you been interested in my feelings?你从什么时候起开始关心起我的感受来了?when 用法一. when 用作副词。
1. 用作疑问副词,引导特殊疑问句。
例如:When are they going to visit the Great Wall? 他们打算什么时候去游览长城?2. 用作连接副词,通常用来引导主语从句、表语从句、同位语从句、宾语从句及起名词作用的“ when +动词不定式”结构。
例如:When he comes is not known. 他何时来还不知道。
The morning is when I am busiest. 早上是我最忙的时候。
I have no idea when the game will begin. 我不知道比赛何时开始。
I don't know when the plane takes off. 我不知道飞机何时起飞。
I don't know when to leave for London. 我不知道该在何时动身去伦敦。
3. 用作关系副词,引导限定性定语从句和非限定性定语从句。
例如:Do you still remember the days when we stayed in America? 你还记得我们呆在美国的那些The day will come soon when the Chinese astronauts will go to the moon.It happened ten years ago, when I was a child. 事情发生在十年前,当时我还是个小孩子。
二. when 用作连词。
1. 用作从属连词,意为“当……的时候”,引导时间状语从句。
例如:They learned a lot from the peasants when they stayed in the village.It was snowing when he arrived at the station. 他到达车站时,天正下着雪。
注意:如果when 引导的从句中的主语和主句中的主语一致,且从句中的谓语动词是“ be +分词”或从句主语是it ,则be 动词及其主语常可省略。
例如:When (he was )asked why he was late, he made no answer. 当被问到他为什么迟到时,他避而不答。
I'll tell him about it when (it is )possible. 在可能的时候,我会把那件事告诉他的。
2. 用作从属连词,意为“一……就……”,引导时间状语从句。
例如:We will stand up when the teacher comes into the classroom. 老师一进教室我们就起立。
Fire the rockets when I give the signal. 我一发信号,你就点燃火箭。
3. 用作从属连词,意为“还没/ 刚刚……就”,引导时间状语从句。
例如:I had hardly opened the door when he came in. 我刚一开门,他就进来了。
4. 用作从属连词,意为“倘若,如果”,表示条件。
例如:He will be likely to recover when he is operated on. 如果动手术,他有可能康复。
Turn off the switch when anything goes wrong with the machine. 如果机器发生故障,就把电5. 用作从属连词,意为“既然,尽管”,表示让步。
例如:Why use metal when you can use plastic? 既然能用塑料,为什么用金属呢?They kept trying when they knew it was hopeless. 尽管他们知道那件事没有希望6. 用作并列连词,意为“在那时,届时”,表示时间。
这时主句中可以用过去进行时,过去完成时或“ was/were about to do sth. ”结构。
例如:Last night I was about to go to bed when the phone rang. 昨天晚上我正要上床睡觉时,电话铃响了。
I was cooking in the kitchen when someone knocked at the door. 我正在厨房做饭,这时有人敲门。
He had just finished the book when supper was served. 我刚刚读完这本书,这时晚饭就端上来了。
7. 用作并列连词,意为“虽然、然而、可是”,表示转折。
例如:He usually walks to work when he might take a bus. 虽然他可以坐公共汽车上班,但他却常常步行上班。
I had only twenty dollars when I needed thirty to buy the dictionary.我需要30 美元买那本字典,可是我只有20 美元。
8. 用作并列连词,意为“而、却”,表示对比。
例如:How can he say that everything is fine when it's obvious that it is not? 他怎能说一切都好呢?情况显然不是那样。
三. when 用作代词。
when 作为代词常常位于介词之后,意为“那时,什么时候”。
例如:We came back on Tuesday, since when we have been working in the repair shop. 我们星期二回来,从那时起就一直在修配车间工作。
Since when have you been studying Japanese? 你是从何时起一直学习日语的?另外,when 还可用作名词,前面常常用定冠词the 。
the when 表示事件发生的时间,常常与the where, the how 并列使用。
例如:He told the police the when and the how of the accident. 他告诉警察事故发生的时间及发生的原委。
初夏早上六点,清亮透明的月儿还躲藏在云朵里,不忍离去,校园内行人稀少,我骑着单车,晃晃悠悠的耷拉着星松的睡眼。
校园内景色如常,照样是绿意盈盈,枝繁叶茂,鸟儿歌唱。
经过西区公园,看那碧绿的草地,飞翔中的亭子,便想起十七那年,在这里寻找春天的日子。
本想就此停车再感受一遍,可惜心中记挂北区的荷塘。
回想起冬日清理完荷塘的枯枝败叶,一片萧条的景色:湖水变成墨绿色,没有鱼儿游动,四处不见了鸟儿的踪影,只有莲藕躺在湖底沉沉睡去。
清洁大叔撑着竹竿,乘一叶扁舟,把一片片黑色腐烂的枯叶残枝挑上船。