语法 Chapter 12 状语从句 Part 1(时间状语从句)
时间状语从句(完整版)

时间状语从句引导时间状语从句的五类引导词一.引导时间状语从句的从属连词(以下称引导词)很多,为方便记忆,现作以下分类:1. 基本类包括before, after, when, while, as, since, till, until, once, as soon as 等。
如:Did anyone call when I was out? 我不在家时谁来过电话吗?We have known each other since we were children. 我们从小认识。
You’ll feel better after you take the pills. 吃完药丸后你会感到好一些。
Make sure that all the lights are off before you go to bed. 睡觉前一定要关灯。
Don’t promise him anything till we’ve had time to think about it.在我们有时间考虑之前别答应他什么。
2. 名词类即由名词词组充当引导词,包括the moment, the minute, the second, the instant 等(均表示“一……就……”。
如I loved you the instant (that) I saw you. 我一见到你就爱上你了。
Tell me the moment (that) you get the results. 你一拿到结果就给我打电话。
3. 副词类即由副词充当引导词,如immediately, directly, instantly等。
如:I came immediately you called. 你一打电话我就来了。
Directly I walked in the door I smelt smoke. 我一进门就闻到烟味。
4. 短语类主是几个涉及time短语,如every time,each time,(the) next time,any time,the last time,the first time 等。
职高英语-基础模块unit12-状语从句ppt课件

实战演练
❖ __ I listen to your advice, I get
into trouble.
❖ A. Every time B. By the time
❖ C. While
D. Until
状语从句
3.表示“一……就……” 除as soon as外,还有三类:名词型— —the moment,the minute,句式型——no sooner...than...,hardly/scarcely...when...。 The moment I saw him I knew that there was no hope. 我一看到他,就知道没有希望了。
start doing some exercises. ❖ A. For now B. Since that ❖ C. Now that D. Since now
状语从句
四、条件状语从句 引导条件状语从句的从属连词有if, unless (=if... not 如果不……,除非),as/so long as(只要),while (=as long as只要), supposing (that) /provided/providing(that) (假如),in case (假使),on condition that(在……的条件下)等。 You can learn anything so long as you set your mind to learn it.用心学本领,总能 学到手。
❖I don’t know when he_w_il_l_c_o_me (come).
❖I can’t wait here any more. When he _c_o_m_e_s__(come), would you please ask him to call me?
《时间状语从句》课件

在固定搭配中的时间状语从句中,时态的选择非常重要。主句和从句的时态需要保持一致 ,或者根据语境和意义选择适当的时态。
例子
When you arrive at the airport, make sure to check in before the flight leaves. (到 达机场后,请在航班起飞前办理登机手续。)
THANKS
感谢观看
04
时间状语从句的练习与解 析
时间状语从句的简单练习
总结词
基础练习,适合初学者
详细描述
提供一些简单的时间状语从句,如“When I was young, I played football every Sunday.”等,供学生填空或选择正确答案。
时间状语从句的复杂练习
总结词
进阶练习,适合有一定基础的学生
例子
When the clock strikes twelve, I go to bed.(当钟敲响十二点时 ,我上床睡觉。)
时间状语从句的构成
01
02
03
引导词
时间状语从句通常由一些 表示时间的连词引导,如 when、while、before、 after、since等。
时态
时间状语从句中的谓语动 词时态需要根据主句的时 态和时间状语从句的意义 来选择。
时间状语从句中的主被动关系
主动关系
主句和从句的谓语动词都为主动形式,表示主动的动作或状 态。
被动关系
主句和从句的谓语动词都为被动形式,表示被动的动作或状 态。
03
时间状语从句的特殊用法
固定搭配中的时间状语从句
固定搭配
时间状语从句在英语中常与一些固定搭配一起使用,如“when引导的时间状语从句”、 “before引导的时间状语从句”等。这些固定搭配有助于表达时间的先后关系和条件关系 ,使句子更加严谨和准确。
状语从句(完整版)PPT课件

child, I often played in the park.”(当我还是个孩子的时候,我经常
在公园里玩。)
02
从句时态先于主句
有时从句的时态会先于主句,表示从句中的动作发生在主句动作之前,
如“After he finished his work, he went home.”(他完成工作后就
结果状语从句的谓语动作可以与主句 的谓语动作同时发生,也可以在其后 发生。
结果状语从句的谓语动作可以是已完 成的,也可以是未完成的。
结果状语从句的省略与倒装
01
当结果状语从句的主语与主句主 语一致,且从句谓语包含be动词 时,可以省略从句的主语和be动 词。
02
在某些情况下,为了强调或保持 句子平衡,结果状语从句可以采 用倒装语序。
作用
使句子表达更加完整、准确,增强语 言的逻辑性和连贯性。
状语从句的构成
01
02
03
引导词
引导状语从句的词有 when、where、because 、if、although等。
主语和谓语
从句中通常包含主语和谓 语,构成完整的句子结构 。
时态和语态
根据主句的时态和语态, 从句的时态和语态也会相 应变化。
倒装
有时为了强调或保持句子的平衡,可以将时间状语 从句中的部分成分倒装,如“Only when he arrived did we start the meeting.”(只有当他 到达时,我们才开始会议。)
03
地点状语从句
Chapter
表示地点的连词
01
where:在...地方
02
03
04
wherever:无论在哪里
倒装
十二种状语从句分类

十二种状语从句分类作为语文学习中必不可少的一部分,状语从句是我们必须深入学习的内容。
根据其功能和用途的不同,状语从句又可以分为很多不同的类型。
在这篇文章中,我们将详细地介绍十二种状语从句的分类及其用法。
一、时间状语从句时间状语从句表示主句所描述的动作或状态发生的时间,通常由when、while、as、before、after、until、once、since等词引导,例如:When I was young, I used to play football with my friends every weekend.While he was walking along the street, he suddenly remembered he had left his phone at home.As soon as I finished my homework, I went to bed.Before she went to work, she had breakfast with her family.After I finish this essay, I will take a break.Until he apologized, we couldn't make up.Once you start doing exercise regularly, you will feel much better.Since we arrived here, we have been exploring the city.二、地点状语从句地点状语从句表示主句所描述的动作或状态发生的地点,通常由where、wherever等词引导,例如:I still remember the restaurant where we had our first date.Wherever you go, I will follow you.三、原因状语从句原因状语从句表示主句所描述的动作或状态的原因,通常由because、since、as、now that等词引导,例如:Because he was tired, he decided to stay at home tonight.Since it started raining heavily, we decided to cancel the picnic.As he was driving too fast, he was stopped by the police.Now that you are here, we can start the meeting.四、方式状语从句方式状语从句表示主句所描述的动作或状态的方式,通常由as、as if等词引导,例如:He swept the floor as if he had done it many times before.We should learn to speak English as fluently as native speakers.五、条件状语从句条件状语从句表示主句所描述的动作或状态的条件,通常由if、unless、provided that等词引导,例如:If it rains tomorrow, we will stay at home.Unless you hurry up, we will miss the bus.Provided that you finish your work on time, you can take a day off.六、目的状语从句目的状语从句表示主句所描述的动作或状态的目的,通常由in order that、so that、that等词引导,例如:We turned on the lights so that we could see clearly.I'm taking this course in order that I can improve my writing skills.I'm studying hard so that I can get a good grade.七、结果状语从句结果状语从句表示主句所描述的动作或状态的结果,通常由so that、such that等词引导,例如:We worked so hard that we finished the project ahead of schedule.He played so well that he won the championship.The problem was such that we couldn't solve it on our own.八、让步状语从句让步状语从句表示主句所描述的动作或状态与条件相反,通常由although、though、even though、in spite of the fact that等词引导,例如:Although it is raining, she still went to the gym.Though he is young, he is very talented.Even though I was very tired, I stayed up late to finish my work.In spite of the fact that he studied hard, he got a low grade.九、比较状语从句比较状语从句表示主句所描述的动作或状态与另一个事物进行比较,通常由than、as、just as等词引导,例如:She is taller than her sister.He can run as fast as a cheetah.Just as we arrived at the train station, the train left.十、方式状语从句方式状语从句表示主句所描述的动作或状态的方式,通常由like、as if、as though等词引导,例如:She talks like she knows everything.He acts as if he is the boss.He looks as though he hasn't slept for days.十一、转折状语从句转折状语从句表示主句所描述的动作或状态与另一个事物相反或出现了意料之外的情况,通常由while、whereas、though等词引导,例如:While she is good at math, he is better at English.Whereas he prefers coffee, she likes tea.Though he is rich, he doesn't like to show off his wealth.十二、假设状语从句假设状语从句表示主句所描述的动作或状态在某种条件下才可能成立,通常由if、suppose等词引导,例如:If I were you, I would take the train instead of driving.Suppose it rains tomorrow, what will we do?以上就是十二种状语从句的分类及其用法。
时间状语从句PPT-课件

目录
• 时间状语从句的定义 • 时间状语从句的用法 • 时间状语从句的时态 • 时间状语从句的特殊用法 • 时间状语从句的注意事项
01
时间状语从句的定义
什么是时间状语从句
时间状语从句是用来表示动作或事件发生的时间的从句, 通常放在主句之前或之后,修饰主句中的谓语动词。
时间状语从句通常由连词引导,如when、while、 before、after等。
在某些情况下,过去时间状语从句也可以使用过去进行时态,强调过去某个时间点正在发生的 动作或状态。例如:“When I was walking home, I saw a dog running towards me.”
将来时间状语从句的时态
要点一
将来时间状语从句通常使用一般 将来时态,表示将来某个时间…
在某些情况下,现在时间状语从句也可以使用现 在进行时态,强调正在发生的动作或状态。例如 :“When I am watching TV, my dog comes and sits next to me.”
过去时间状语从句的时态
过去时间状语从句通常使用一般过去时态,表示过去某个时间点或时间段发生的动作或存在的 状态。例如:“When I was young, I loved to play outside.”
01 时间状语从句是主句的时间状语,表示主句动作
发生的时间点或时间段。 02
示例:I will call you when I finish work. (我下 班后会给你打电话。)
时间状语从句中的虚拟语气
在时间状语从句中,有时需要使用虚 拟语气来表示与实际情况相反的情况 。
示例:If I had known the answer, I would have told you. (如果我早知道 答案,我早就告诉你了。)
时间状语从句ppt课件

详细描述
过去完成时态用于描述过去的某个动作发生在另一个过去的动作之前,例如“He said he had finished his work before leaving the office.”(他说他在离开办公室之前已 经完成了工作。)和“When I arrived, she had already left.”(当我到达时,她已
经离开了。)
04
CHAPTER
时间状语从句的注意事项
主句与从句时态要一致
总结词
在时间状语从句中,主句和从句的时态 必须保持一致,以正确表达时间关系。
VS
详细描述
时间状语从句通常表示某个动作发生的时 间或与时间相关的条件,因此主句和从句 的时态必须匹配,以准确表达事件发生的 先后顺序。例如,“当她走进房间时,他 正在看书”中,“走进房间”发生在“正 在看书”之前,因此主句和从句都使用了 过去进行时。
05
CHAPTER
时间状语从句的练习与解析
练习题一解析
总结词
简单时间状语从句
详细描述
这道练习题考察的是简单时间状 语从句的用法,如“when”、 “before”、“after”等,从句 中的时态与主句保持一致。
练习题二解析
总结词
复杂时间状语从句
详细描述
这道练习题涉及的是复杂时间状语从 句,如“not…until”、“as soon as”等,从句中的时态与主句保持一 致,同时要注意从句中时态的先后顺 序。
after的用法
After表示在某个时间点之后,引导时 间状语从句。
例如:After the movie ended, we went for a snack.
状语从句讲解经典

意思为既然或考虑到 (原因状语从句) It was foolish of you to take a taxi when you could easily walk there. How can they learn anything when they spend all their spare time watching television? Why do you want a new job when you have got such a good one? There is no point (in) owning a car when we have so good a public transport system. Why use metal when you can use plastic? How can he get the promotion when his boss dislikes him?
I will tell her about it when I see her. I was about to fall asleep when my sister came in. I will go home when he comes back.
I recognized the thief when/ as I passed him. When he finished his lecture, people stood up and applauded. I was walking on the street when I came across an old friend. We were about to set off when it began to rain. He had just finished the work when the doorbell rang. We were on the point of driving away when the policeman signed us to stop.
2024年人教版中考英语语法课件:状语从句知识点归纳

Wherever my sister visits, she will send me a postcard. =No matter where my sister visits, she will send me a postcard.
as
当.....时, 一边...一边...
强调主从句动作同时进行
I saw the sun as I opened the window.
1、时间状语从句
2、until/ till 引导词: ① until和till意为“直到”,很多时候可以互换,但是用于句首的时候,常用until。 Until you get back, I will sit here.
3、让步状语从句
(表示主句中的某一动作或状态与从句中的某一动作或状态在意义上有部分矛盾。) 1、although/though 引导词: although/though意为“尽管,虽然”,不与but连用,但可用yet/ still. Although/ though he works hard, yet he makes slow porgress.
③ She is such a beautiful girl that everybody loves her.
4、结果状语从句
(结果状语从句表示主句中某一动ห้องสมุดไป่ตู้或状态所产生的结果)
4、so…that… 与 such… that… 互换: 两者都意为“如此......以致于”
so+形容词+a/an+单数可数名词+that从句 人称代=s词uc是h为+a了/a避n+免我形重们容复、词,他+用们单来/数代她可替们数前/名面它词提们到”+等t过h代a的t词从人。句、人事称物代等词名有词人的称词、,单主复要数包以括及“你格、的我变、化他。,她/它、你们、
Grammar 状语从句,Unit 12

时间______________ 课时_______2__________状语从句(Adverbial Clause)Teaching aims:Learn Adverbial Clause sTeaching Methods1Visual presentation method2 Cooperative inquiry methodTeaching important points状语从句的引导词、类型和用法。
Teaching difficult points状语从句的引导词用法Teaching AidsA multimedia classroomThe Design of TeachingTeaching procedures状语从句一、定义:在句子中担任状语成分的句子。
通常用来修饰主句中的动词、形容词、副词等。
二、分类: 时间、地点、原因、条件、方式、让步、目的、结果、比较。
三、位置:状语从句如果放在主句前,用逗号隔开,如果放在主句后,则不用逗号。
四、具体用法:1. 时间状语从句:常用的引导词有:when, while, as, till, until, before, after, as soon as, since①. when : 既可以表示主从句动作同时进行,又可以表示主从句动作先后发生。
固定词组有:be about to do when…. / be doing when…Eg: He_______ when I called him.A. is about to leaveB. was about to leaveC. leavesD. leftThe young girl ____ when I see her in the street.A. is walkingB. was walkingC. walked②. while :强调主从句的动作同时发生,引导的都为延续性动词。
时间状语从句ppt课件

时间状语从句的省略
省略主语和助动词
当从句的主语和助动词与主句的主语一致时,从 句的主语和助动词可以省略。
省略be动词
当从句中的动词是be动词时,be动词可以省略。
省略连词
当从句和主句之间没有连词连接时,连词可以省 略。
时间状语从句的倒装
倒装句式
时间状语从句中的主语和动词的顺序可以颠倒,形成倒装句式。
总结词
表示一个动作从过去某时开始一直持续 到现在
VS
详细描述
Since通常用于描述一个从过去某时开始 一直持续到现在的动作或状态。例如: “I have been waiting since 9 o'clock.”(我从9点钟就开始等了。)
03
CATALOGUE
时间状语从句的时态搭配
现在时与过去时的搭配
时态
时间状语从句的时态要与 主句的时态相呼应,一般 遵循“主将从现”的原则 。
语序
时间状语从句通常是陈述 语序。
时间状语从句的作用与重要性
作用
时间状语从句可以用来描述动作发生的时间、持续时间或动作的先后顺序,从 而使句子更加准确和清晰。
重要性
在英语语法和写作中,正确使用时间状语从句对于表达时间关系和增强文章逻 辑性非常重要。掌握时间状语从句的构成要素和运用技巧有助于提高英语水平 和写作能力。
主句的意义和语气对时间状语从句的意义和语气有影响。例如,如果主 句是疑问句,那么时间状语从句也可能需要使用疑问语气。
主句中的特定词汇或结构可以与时间状语从句形成对照或对比,从而强 调某些信息。
06
CATALOGUE
时间状语从句的常见错误分析
混淆不同类型的时间状语从句
01
一般现在时态的时间状语从句
Chapter 12 job hunting 课文知识点与语法讲解

Chapter 12 job hunting课文语言点1,make mistakes 意为“犯错,出错”= make a mistakemake mistakes in ... 意为“在某方面犯错误”Did you make mistakes again ?你又犯错误了吗?I made a mistake in spelling 我犯了一个拼写错误by mistake 错误地I took your book by mistake 我错拿了你的书mistake 还可作动词,意为“弄错,误解”mistake ...for 意为“把...错认为...”she is often mistaken for a teacher 她经常被误认为是个老师2,hunt vi 意为“搜寻,寻找”常与for 构成短语hunt for ,意为“寻找,搜寻”He has hunted everywhere for his key 。
他处找他的钥匙She began to hunt for a job after she left school 她毕业后就开始找工作3,application 名词,意为“申请,请求”He sent in his application to the company 他向公司提交了申请书。
make an application for = apply for “申请”Who will make an application for the job ?= who will apply for the job ?谁会申请这份工作?4,interview v/ n 面试,采访do an interview “采访”The boss interviewed the person who applied for the job老板面试了这个求职的人interviewee n 被面试者雇员interviewer n 面试者,雇主5,require vt 意为“需要,要求”后跟名词、代词作宾语。
列举英语语法状语从句的归纳总结

列举英语语法状语从句的归纳总结列举英语语法状语从句的归纳总结在复合句中修饰主句或主句中的某一成分的从句叫状语从句。
状语从句通常由从属连词或起连词作用的词组引导,有时甚至不需要连词直接和主句连接起来。
状语从句根据它表达的意思不同,可分为时间、地点、原因、目的、结果、条件、方式、比较、让步等九类。
一、时间状语从句时间状语从句是表示时间关系的从句。
可以引导时间状语从句的.连词很多,根据意义和主从句之间的时间关系,通常可分为以下几种情况:A. when, while, as, wheneverwhen, while, as表示主句谓语作和从句的谓语动作同时发生或几乎同时发生。
1.when①when表示点时间时,从句中用短暂性动词;表示段时间时,用持续性动词。
When I got home, my family were already having dinner.我到家的时候,全家已在吃晚饭。
(when表示点时间)When they were still talking and laughing, the teacher came in.当他们还在说笑的时候,老师进来了。
(when表示段时间)He waved ahello when he saw her.当他看见她的时候,就挥手打了个招呼。
(when表示点时间)When you think you know nothing, you begin to know something.当你认为自己一无所知的时候,就开始知道一些事情了。
(when 表示段时间)注意:当when意思是正当……时候(and at that moment)时,when 只能跟在前一分句之后。
He was about to go to bed when the doorbel rang.他正要上床,忽然门铃响了。
They were watching the World Cup when suddenly the lights went out.他们正看着世界杯比赛,突然灯灭了。
英语语法12之状语从句

一、时间状语从句
①when引导的从句有时表示“突然”、“忽然”或“(正在)这时”的意思。这时 when=and then,just then.从句通常置于句末。从句中的谓语动词通常用一般过 去时;主句一般用过去进行时,过去完成时或be about to。 举例:We discussed the shipping date till 3 o’clock,when the customer call on us.
一、时间状语从句
9.as soon as (一......就),as/so long as(在......期间,......之久)引导的时间状 语从句。 举例:I will let you know where I go as soon as I know myself.
I will work as long as I live. [注]so long as较常用,语气比as long as强些。 10.no sooner ...... than,hardly/scarcely/barely ......when/before引导的时间状 语从句,表示从句谓语的动作紧接着主句谓语的动作发生,意思是“刚刚...... 就”“立即”。从句多用一般过去时,主句常用过去完成时。 举例:I had no sooner done it than I regretted it.
It is five weeks since he has smoked (抽烟已经五个星期了) ②ever since引导的从句,即使谓语是持续性动词或状态动词用一般过去时, 仍然表示从句的动作或状态延续至今 举例:The man has lived in this old house ever since he was born.
时间状语从句课件( ppt课件

• 一、 when/while 的区别
• 1.when表示主从句两个动作同时发生或先后 发生。而while表示主从句两个动作同时发生 或强调主句的动作在从句动作进行期间发生。
(1)_W__h_il_e_ they are waiting for the New Year, they listen to music , sing songs and dance.
W_h_e_n_/W__h_il_e/_A_s_she was singing, we all lost ourselves in her beautiful voice.
注意:延续性动词表达的动作能够延续,如:keep保存,维持;walk走路;read 阅读等;非延续 2020性/12动/1词2 也称瞬间动词,所表达的动作不能够延续。如:hear听到;return 归还;see看6 见。
street___w_h__en___ I caught sight of a tailor’s
shop.
2020/12/12
7
二、when/while/as的用法。
when表示从句动作和主句动作同时发生,或先于主句动作; while表示从句的动作与主句动作同时发生,并有延续的含义; as从句动作与主句动作同时发生,常译为“一边…一边…” 。 从句动作和主句动作同时发生,且从句动作为延续性动词时, when,while,as都可使用.
suddenly the storm started.
A. when
B. while
C. until
D. before
2. He was about to tell me the secret __D____someone patted (拍)him on the
时间状语从句讲解PPT课件

such a good one
It was foolish of you to take a taxi when you could walk there in five minutes How can you hope for mercy when you show none?
状语从句
时间,地点,原因,条件,让步,目的,结果,方 式,比较九种状语从句 一、时间状语从句 引导词有 when, whenever, as, while, after, before, until/till, since, once, as soon as
1 when ①在… 的时候
② 这时 be doing…when be about to do …when had just done…when
5. We need to stay connected to our own families . We’ll never turn back the clock to keep families from breaking. But parents can help by telling their children stories about their grandparents, aunts and cousins.
W_h__il_e you are in the post office, buy some
stamps for me.
.
3
②对比转折 / but / however ③虽然,尽管=though/although
While I admit his good points, I can see his shortcomings.
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
她没用多久就把他说服了。
He retired long before the war. 他在战争之前早就退休了。
请完成 P217 小试身手
P217 小试身手
Long before he was born, his grandpa _______.
A√. had died
B. passed away
before
P216-[4] 补充
It may be many years before the situation improves. 这种状况或许要过很多年才能得到改善。
before
long before not long before
before long = so?on
P216-[4]
在…以前很久 不久
while
P215-[2] 补充
We must have been burgled while we were asleep. 我们睡觉时一定让贼入室偷了。
during the time that something is happening 在…期间;当…的时候
while
P215-[2] 补充
当…发生时
after or as soon as sth. happens
在…发生之后、一…就
used to mention a type of event or situation when talking about what happens on occasions of that
type 在…发生之后、一…就(类似于条件)
汤姆很擅长理科,而他的兄弟则不可救药。
表示对比
used to contrast two things
while
P215-[2] 补充
While I am willing to help, I do not have much time available.
尽管我愿意帮忙,但是没有多少时间。
虽然;尽管
到二十一岁时,他就已经察觉到,他一 走动就难免摔倒。
by
P217-[5] 补充
By the age of 21 he had already begun to notice that it was difficult to move around without falling over.
到二十一岁时,他就已经察觉到,他一 走动就难免摔倒。
used at the beginning of a sentence
as
Longman:
P215-[3] 补充
while or when
正当…时候
Oxford:
while something else is happening 当…时;随着
as
P215-[3] 补充
表示伴随
Longman: As time passed, things seemed to get worse.
You can go swimming while I'm having lunch. 我吃午饭时你可以去游泳。
at the same time as something else is happening 在…的hile Tom's very good at science, his brother is hopeless.
P215-[1]-b 翻译
When I opened the door, I was shocked by what I saw. 当我打开门时,我被我所看到的东西震惊了。
P215-[1]-b 翻译
I was taking a walk in the garden near my neighborhood last night when I heard a vicious dog
all the time that sth. is happening 在…的过程中
while
P215-[2] 补充
during the time that something is happening 在…期间;当…的时候
at the same time as something else is happening 在…的过程中
他出生后不久,他的祖父就去世了。
我们来看一道中考题和一道高考题
2014 中考真题
By the end of last week, she _______ in the west of China for two months helping the homeless children.
A. will stay C. would stay
P114 小试身手
_______ he was going out, it began to snow.
A. After
√C. As
B. While D. Till
as, when, while
P216 区分用法 补充
a. 引导短暂性动作的动词,优先用when, as。 b. 表示从句的动作发生于主句动作之前,用when。 c. 表示时间推移,用as。 d. 表示突然,用when。 e. 表示类似于条件时,优先用when。
A. would grow
B. has grown
C. has been growing
√D. had grown
by
P217-[5] 补充
By the age of 21 he had already begun to notice that it was difficult to move around without falling over.
到本月底,我们将完成生产计划 。
by
P217-[5] 补充
by the age of
by the time
by the end of
by短语表示过去的时间,则配合过完。 by短语表示将来的时间,则配合将完。
2014 中考真题
By the end of last week, she _______ in the west of China for two months helping the homeless children.
when
Longman
P215-[1] 补充
When mix with water the powder forms a smooth paste.
和水混合以后,这种粉末会形成均匀的糊状。
used to mention a type of event or situation when talking about what happens on occasions of that
C. had dead
D. had been dead E. died
P217 小试身手
Not long before he was born, his grandpa had died /passed away.
他出生前不久,祖父过世了。
After he was given birth, his grandpa passed away before long.
随着时间的流逝,事情变得更加糟糕了。
Oxford: As she grew older she gained in confidence. 随着年龄的增长她的信心增强了。
as
Longman:
P215-[3] 补充
I saw Peter as I was getting off the bus.
我下公车的时候看见了彼得。
A. will stay C. would stay
B. has stayed
√D. had stayed
2013 高考 黄浦二模
A latest report by Taobao said that visitors through wireless devices _______ from 10 million in 2010
请完成 P216 小试身手
P216 小试身手 Tom is very outgoing, _______ (when/ w√hile/as) Jane
is shy and quiet.
Some people waste food _______ (as/when/w√hile)
others haven’t enough. while在两句话都表示转折
B. has stayed
√D. had stayed
2013 高考 黄浦二模
A latest report by Taobao said that visitors through wireless devices _______ from 10 million in 2010
to 300 million by the end of last year.
type 在…发生之后、一…就(类似于条件)
when
after
P215-[1] 补充
Oxford 在…之后
while, as没 有这个功
能
just after which
一…就、刚…就、突然
at or during the time that 在…时候;在…期间
when
P215-[1] 补充
Oxford Call me when you've finished.
before before
P216-[4] 补充
在…以前 earlier than the time when
才 not…until
before
P216-[4] 补充
It may be many years before the situation improves. 这种状况或许要过很多年才能得到改善。