when doing 的用法 - 360文档中心

高考英语语法大全：固定搭配用法总结【重点精华】

高考英语语法大全：固定搭配用法总结【重点精华】1。

It’sthe first time that………。

（从句中用现在完成时)It was for the first time that………（强调句,对状语for the first time进行强调）It’s(high) time that……..(从句中用过去时或should do）2。

It’sthe same with sb。

/ So it is with sb。

表示某人也如此（用于前句中既有肯定又有否定或两个不同类的谓语动词)3。

…be about to do / be doing……when…….正要做/正在做……就在那时…….4。

A is twice / three times as +原级+as B A是B的两倍/三倍A is twice / three times the n。

of B. A的…是B的两倍/三倍A is twice / three times +比较级+thanB A比B多两倍/三倍5。

It’s a waste of time / money doing / to do…做……浪费时间/金钱It’s no use / good doing……… 做……是没有用的It’s possible / probable / (un) likely that………。

很可能……It makes great / no sense to do……做某事很有/没意义6. There's no use / good doing……. 做……没有用There’s no sense / point （in）doing…… 做……没有意义There is no need for sth. / to do……. 没有过必要做……There is (no）possibility that…………(同位语从句)很可能/没可能……7.The+比较级……。

when doing sth的用法

when doing sth的用法当人们在英语中讨论某些动作或活动时，经常使用“when doing sth”的结构。

这种用法表示在进行某项任务或活动的同时发生了另一个事件。

这个结构可以用来描述各种情况，比如做家务，锻炼，读书，吃饭等等。

本文将详细介绍“when doing sth”的用法和几个例子。

一、基本结构“when doing sth”的基本结构是when + 动名词。

例如：- When reading a book, I always make notes. - When watching a movie, I prefer to have popcorn. - When cooking dinner, I usually listen to music.这个结构可以用来描述任何我们在做某件事情的时候发生的事情。

下面是一些更多的例子：- When driving to work, I always listen to the radio. - When studying for exams, I find it helpful to quiz myself. - When shopping for clothes, I usually try on a lot of different items before I make a decision. - When hiking in the mountains, I always carry a map and compass. - When preparing apresentation, I like to practice in front of a mirror.二、when doing sth的含义“when doing sth”是一种描述同时发生的事件的语法结构。

它强调在某个时刻或某个活动进行时，另一个事件会发生。

例如，当我们正在准备晚饭时，手机会响起。

八上U3 What were you doing, when ...知识点

八上U3 知识点一、过去进行时表示：过去进行时表示过去某一时刻正在进行的动作，还可表示过去某阶段正进行的动作。

构成：主语+ was/were + doing例如：I was watching TV at 8:00 yesterday morning.昨天早上8点我正在看电视。

They were having class at this time yesterday.昨天这个时候他们正在上课。

Tom was cutting hair from 7:00 to 8:00 yesterday.昨天7点到8点Tom 正在理发练习：1.昨天晚上9点我正在图书馆学习。

___________________________________________2.上一周的这个时候我正在做饭。

___________________________________________3.It was raining at 7 o’clock last night.(改为否定句)___________________________________________4.The boy was playing the piano when I came in.(改为一般疑问句) ___________________________________________5.Lily were reading books from 9 to 11 yesterday.(划线提问) ___________________________________________6. Mr.Green_____ (fly) a kite with his son at this time yesterday.7.What______you_____(do) at ten o’clock yesterday morning?二、when与while的区别1. 两者都有“当……的时候”。

be doing---when句型

be doing---when---句型正在（要）……突然……1. be doing---when---2. be about to do---when---3. hadn’t done---when---4. be about half way---when---5. be on the point of---when---6. be in the middle of---when---7. hardly had time to---when---8. had just done---when---Mark was walking home from school one day when he noticed the boy ahead of him had dropped all of books he was carrying, along with a baseball bat and several other things. 一天放学后，马克正往家走着，突然看见他前面那个孩子拿的书一下子掉了，掉下去的还有一根垒球棒和几个其它东西。

He was just about to dive when he saw the shark. 他刚要跳水，突然看见了鲨鱼。

He was about halfway through his meal when a familiar voice came to his ears. 他饭刚吃一半，突然听到一个熟悉的声音。

Jim was in the middle of a funny story when he broke off to answer the telephone. 吉姆正在讲一个可笑的故事，突然停下来接了个电话。

I hardly had time to think about the matter when all at once I found I was being led back into the reading room to address the waiting audience. 我还没来得及考虑这事，突然就被领回到阅览室去向等待的观众作报告。

whendoing翻译

whendoing翻译"当做"是一个常用的中文词语，用于表示某种行为或动作。

它可以用作动词，也可以用作副词。

1. 动词用法：- 当做某事：表示将某事视为自己正在做的事情。

- 他常常把工作当做第一要务。

He often treats work as his top priority.- 请不要把我当做外人。

Please don't treat me as an outsider. - 当做某物：表示将某物视为自己正在使用的物品。

- 她把这本书当做宝贝般珍惜。

She treasures this book like a treasure.- 他把手机当做生活必需品。

He treats his mobile phone as a necessity of life.2. 副词用法：- 当做这样/这种/这个：表示将某事物或状态作为参考或基准。

- 当做这样做，你就不会犯同样的错误了。

Take this as an example, and you won't make the same mistake.- 当做这种情况，我们需要采取一些预防措施。

Considering this situation, we need to take some precautionary measures. - 当做时间/地点/方式：表示将某个时间、地点或方式作为标准或参考。

- 我们将周五当做交付截止日期。

We consider Friday as the deadline for delivery.- 这里的气候当做度假的理想之地。

The climate here is considered an ideal vacation spot.- 当做这种方式，你会更容易理解这个概念。

Take it as this method, and you will understand the concept better."当做"是一个非常常用的词语，用于表示将某种行为、动作、物品或状态视为某种参考或基准。

高考常用于考时态的十大句型固定搭配和情态动词

常用于考时态的十大句型常考固定搭配情态动词的用法1、sb was doing sth when…某人正在干某事这时……I was thinking about my new plan whan a good idea occurred to me. 我正在考虑我的新计划，这时一个好主意浮现出来。

说明：在这个句中，主句的谓语动词通常是延续性动词，从句的失态用一般过去时，when 翻译成“这时”。

2、sb was(just) about to do sth when…,某人正要干某事这时……They were just about to set out when it began to rain.他们正要出发，这时下起雨来了。

说明：在这个句型中，be (just) about to do 可以换成sb was/were on the point of doing sth when…, when翻译成“这时”。

3、sb had just done when…某人刚干完某事这时……I had just lain down when the telephone rang.我刚躺下，这时电话铃响了。

说明：在这个句型中，just用于加强语气，也可以不要，when翻译成“这时”。

4、it is the first/last…time that sb has/have done…某人第几次干某事……It is the second time that we havevisited your firm.我们是第二次参观你们的公司。

说明：在“某人第几次干某事”这个句中，that之后的时态要用现在完成时，如果主句是it was…,从句时态随之换成过去完成时。

例如：It was the third time that we had seen this film star.我们是第三次看见这个电影明星。

5、Hardly had sb done…when sb did…某人刚刚干完某事这时…….Hardly had they arrived at the airport when they received a warm welcome.他们一到机场就受到了热烈欢迎。

2019中考英语必考八大时态总结

2019中考英语必考八大时态总结在初中阶段，我们学习到的常用的时态有8种：一般现在时，一般过去时，现在进行时，过去进行时，现在完成时，过去完成时，一般将来时和过去将来时。

一下将对初中阶段英语时态知识要点、考点进行归纳总结，希望能对大家复习备考与解题有所帮助。

.1 一般现在时的用法1) 经常性或习惯性的动作，常与表示频度的时间状语连用。

时间状语：every…,sometimes,ofen,always,usually, twice a week, at…, on SundayI leave home for school at 7 every morning. He watches Tv once a week .2) 客观真理，客观存在，科学事实。

The earth moves around the sun. Shanghai lies in the east of China.3) 表示格言或警句中。

Pride goes before a fall. 骄者必败。

注意：此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。

例：Columbus proved that the earth is round..4) 现在时刻的状态、能力、性格、个性。

I don't want so much. Ann Wang writes good English but does not speak well.比较：Now I put the sugar in the cup. I am doing my homework now.第一句用一般现在时，用于操作演示或指导说明的示范性动作，表示言行的瞬间动作。

再如：Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志，表示正在进行的动作的客观状况，所以后句用一般现在时。

过去进行时

年级初二学科英语课程标题过去进行时编稿老师李晶一、学习目标：1. 掌握过去进行时的基本结构和用法。

2. 能在交流或写作中正确使用过去进行时。

二、重点、难点：1. 通过时间状语等成分来判断是否使用过去进行时。

2. 含有when或while的复合句中动词时态的选择。

三、考情分析：1. 考查对过去进行时的判断。

2. 过去进行时与其他时态的区别。

3. 通常在单项选择、用动词的适当形式填空、句型转换等题型中出现，分值约占2—3分。

四、知能提升：（一）知识讲解【认知讲解】【例句】He was playing in the garden at this time yesterday.We were reading when the teacher came in.1. 过去进行时的构成was / were＋v. –ing2. 过去进行时的几种基本句式He was playing in the garden at this time yesterday.（肯定句）He wasn’t playing in the garden at this time yesterday.（否定句）—Was he playing in the garden at this time yesterday?（一般疑问句）—Yes, he was. / No, he wasn’t.What was he doing in the garden at this time yesterday?（特殊疑问句）Where was he playing at this time yesterday?When was he playing in the garden?3. 过去进行时的用法（1）过去进行时主要表示过去某个时刻或某一阶段正在进行的动作，常和表示过去时间的状语，如：from 2 p.m. to 5 p.m., then，at this（that）time yesterday，at nine，last night 等连用。

高中英语句型归纳+动词不定式、动名词用法要点讲解

高中英语句型归纳1. be doing/ be about to do/ had done…, when…(when：这时, 强调一个动作的突然发生)1). I was walking along the river, when I heard a drowning boy cry for help.2). I was about to leave when it began to rain.3). I had just finished my test paper when the bell rang, announcing the exam was over.2. It was (not ) + 时间段+before +一般过去时过了一段时间就……..It will (not )be+ 时间段+before +一般现在时要过一段时间才会…It is/ has been +时间段+ since…..It was +点时间+ when…..It was +时间状语+ that …..（强调句）1). It was not long before he sensed the danger of the position.不久他就意识到他处境危险（动作已发生）2). It will be half a year before you graduate from the school. 还有半年你才从这个学校毕业（动作未发生）3). It is 3 years since he worked here.=he left here.（since从句中的谓语动词若是延续性动词，要从这个动作结束的时候算起）4). It was 3 o’clock when they received the telephone.5) It was at 3 o’clock that they received the telephone.3. no 比较级than: A 与B都不………/仅仅，只有not比较级than: A 不如B / 不超过，至多more………than………与其….倒不如……(= not as/ so……..as……)more than=not only 不仅仅……..1). He works no harder than I.他和我都不用功2). He doesn’t work harder than I.他不如我用功3). There are no more than seven people in the room. 屋里仅有七个人4). There are not more than seven people in the room. 屋里至多有七个人5). He is more diligent than clever. 与其说他聪明，倒不如说他勤奋àHe is not as/ so clever as diligent.6)It is more like a meeting than like a party.--> It is not as a party as a meeting7).Mr. Zhang is more than my teacher, he is also my best friend.张先生不仅仅是我的老师，他还是我的朋友4. once…..一旦….., 表示时间和条件1)Once you understand what the teacher explained, you will have no difficulty doing the work.2). Once you have decided to do something, you should finish it and do it well.5. The +比较级…….，the +比较级……..越……, 越……1) The more books you read, the more knowledge you will get.2)The busier he is, the happier he feels.6. as if/ as though…..（表示与事实相反，用虚拟；若表示即将成为事实或有可能成为事实，则用陈述语气）1). He was in great trouble, but he acted as if nothing had happened.2). Although they just met for the first time, they talked as if they had been friends for many years3). The clouds are gathering. It looks as if it is going to rain.7. n. /adj. / adv. / v. + as / though +主语+谓语，……尽管……,…….引导让步状语从句1).Child as he is, I already know what career I want to follow.2). Try as he might, he couldn’t s olve the problem.3). Much as I respect him, I can’t agree with his idea.8. whether….or…. 无论是….还是….1). Whether the weather is good or bad, they will set off as they planned.2). Any person, whether young or old, has his own worth.9. 疑问词+ever = no matter +疑问词, 引导让步状语从句或名词性从句1). Whichever(=No matter which) you like, you can take it away .( 让步状语从句)You can take away whichever(=any one that) you like ( 名词性从句)2). Whenever you comes, you will be welcome. ( 让步状语从句)3). Whatever happens, I will support you. ( 让步状语从句)4). Whoever breaks the law, he will certainly be punished. ( 让步状语从句)àWhoever breaks the law will certainly be punished. ( 名词性从句)5). However great the difficulty is, we can overcome it. ( 让步状语从句)10. if/ as long as/so long as/ providing that/ provided that/ supposing that/ on condition that 假如….. 1). I will lend you money on condition that you can return it within 3 months.11. given that/ considering that 考虑到….., 鉴于……1). Given her interest in children/ Given that she is interest ed in children, I’m sure teaching is the right career for her.2). Considering his age and his experience, he has done well.12. in case that/ in case of….. 万一….., 以防…..1). In case of fire, please dial 119 at once.2). In case that John comes/ John should come, tell him to wait.13. 祈使句+ or/otherwise +结果句或祈使句+ and +结果句1). Stop doing such foolish thing, or you will be punished in time.2). More effort, and the problem would have been settled.3). Think it over, and you will find the answer.14. so/ such……..that…….引导结果状语从句时须注意当名词前many, much, little, few有修饰时, 用so不用such因为此时的中心词不再是名词，而是many, much, little, few这些表示数量的词。

第07讲预习九上：时间、条件和原因状语从句- 新九年级英语暑假学案(牛津译

第07讲预习九上：时间、条件和原因状语从句掌握并正确使用时间状语从句、条件状语从句和原因状语从句在复合句中，做状语成分的从句叫状语从句。

常见的状语从句可分为：时间、条件、地点、原因、方式、让步、比较、结果、目的等从句，由不同的引导词引导。

考点一：时间状语从句考点二：条件状语从句条件状语从句的引导词主要有if 和unless ，两者可转换。

在条件状语从句中，从句常用一般现在时表将来，即主将从现。

如：You will fail the exam if you don’t work hard.=You will fail the exam unless you work hard. 如果不努力学习，你考试会不及格的。

考点三：原因状语从句原因状语从句的引导词有because ，since ，as 等。

注意：1. because 和so 不能同时使用。

如：He didn’t come to school yesterday because he was ill. 他昨天没来上学，因为他生病了。

2. since 引导原因状语从句表示显然的或已为人知的理由，表示“因为，既然”如：since everyone is here, let’s start.既然大家都到期了，我们就开始吧。

考点一：时间状语从句（2022秋·辽宁沈阳·九年级沈阳市第一二六中学校联考期末）1．Mr. Brown has worked in this school ________ he was 22 years old.A ．forB ．sinceC ．untilD ．when（2022秋·辽宁沈阳·九年级统考期末）2．George decided to change his job. He will live a hard life ________ he finds another job. A ．while B ．until C ．when D ．after（2022秋·辽宁沈阳·九年级沈阳市杏坛中学校考期末）3．I waited for Tim ________ he was doing his homework.A ．so thatB ．unlessC ．whileD ．although （2022秋·湖北武汉·九年级校考期末）4．—What’s wrong with you, madam?—I’ve lost my valuable watch. But a week had gone by ________ I knew it was missing A．since B．before C．while D．until（2022秋·安徽合肥·九年级统考期末）、5．We were not good friends ________ we saw each other, but day by day, we got along better and better.A．until B．when C．if D．so（2022秋·天津滨海新·九年级统考期末）6．The clever boy called 120 ________ his mother fell down in the kitchen.A．although B．as soon as C．until D．so that（2022秋·天津河北·九年级统考期末）7．The doctor didn’t have a rest ________ the operation was over.A．because B．until C．if D．so that考点二：条件状语从句（2022秋·辽宁沈阳·九年级统考期末）8．Tom will not get the special gift unless he ________ all the tasks.A．finish B．will finish C．finished D．finishes（2023秋·湖北武汉·九年级武汉一初慧泉中学校考期末）9．—Mom, shall we put the meat in the fridge now?—Yes, sweetie, it won’t keep __________ we put it in the fridge on such hot days.A．although B．whether C．unless D．since（2022秋·上海浦东新·九年级上海市实验学校校考期末）10．________ all of us can learn to love, everything around us will be a wonder.A．Because B．If C．Before D．Although（2021秋·河北石家庄·九年级统考期末）11．If I ________ to go abroad, I’ll go to Britain.A．allow B．am allowed C．was allowed D．will allow（2022秋·江苏盐城·九年级校考期末）12．The air pollution ________ worse unless we ________ action to protect the environment. A．is；will take B．will be；will take C．will be；take D．won’t be；take考点三：原因状语从句（2022秋·江苏宿迁·九年级校考期末）13．—What a heavy snow! How can we go to work today?—________ it is snowing heavily, let’s walk instead of driving.A．Because B．Since C．As D．Though（2022秋·辽宁沈阳·九年级统考期末）14．Anna does not want fried food and soft drinks ________ they are unhealthy.A．unless B．because C．though D．before（2021秋·广西玉林·九年级统考期末）15．He didn’t come to the party ________ he had a lot of work to do.A．because B．although C．so D．unless（2023·甘肃白银·统考中考真题）16．Let’s wait ________ the rain stops.A．so B．while C．since D．until （2022·青海·统考中考真题）17．Chinese people were so excited ________ the Shenzhou-13 was successfully launched into space.A．when B．why C．how（2022·吉林长春·统考中考真题）18．I didn’t understand my mom’s love ________ we had a long talk.A．until B．if C．since D．because （2022·辽宁·统考中考真题）19．Teenagers should do some housework ________ they finish their homework.A．until B．but C．after D．unless （2022·黑龙江·统考中考真题）20．—I don’t know when Susan ________.—Don’t worry. When she ________, I will tell you.A．comes; will come B．will come; comes C．come; comes（2022·湖北十堰·统考中考真题）21．To avoid the virus (病毒), we should wash hands more carefully ________ we have meals. A．so B．before C．because D．although （2022·天津·统考中考真题）22．Before you get off the bus, you should wait ________ it has stopped.A．until B．but C．because D．so（2022·湖南岳阳·统考中考真题）23．I will return it to the library _______ I finish reading Little Women.A．no longer B．as soon as C．so that（2022·江苏扬州·统考中考真题）24．________ astronauts go on spacewalks, they wear spacesuits to keep themselves safe. A．Though B．Till C．When D．Unless （2022·重庆·统考中考真题）25．They have been friends ________ they first met.A．since B．while C．before D．after（2023·湖南岳阳·统考中考真题）26．You won’t pass the PE exam successfully ________ you exercise every day.A．if B．unless C．as long as（2023·安徽·统考中考真题）27．Our country will be much better for everyone in future ________ we all do something to help now.A．if B．before C．so that D．even though （2023·四川成都·统考中考真题）28．________ you treat others with your heart, you will get friendship in return.A．If B．Until C．Unless（2022·内蒙古·中考真题）29．—Too much work has made me tired these days, Mrs. Gao.—That’s true. But a small tree won’t grow into a big one ________ it experiences lots of winds and rains.A．if B．because C．when D．unless （2022·广西桂林·统考中考真题）30．If you ________ along this road, you will find a park.A．go B．went C．goes（2022·山东东营·统考中考真题）31．You won’t be allowed to enter the school _________ your temperature is higher than normal. A．if B．until C．though D．unless （2022·上海·统考中考真题）32．You won’t have a better view of the village ________ you reach the top of the hill. A．because B．unless C．when D．if（2022·江苏淮安·统考中考真题）33．We would like to buy electric cars ________ they produce less air pollution.A．because B．so C．though D．but（2022·辽宁沈阳·统考中考真题）34．I love going to school ________ everyone in my class is friendly.A．before B．although C．because D．unless （2022·内蒙古包头·统考中考真题）35．Many wild animals don’t have a safe place to live, ________ villages and farms are growing bigger and taking away their land.A．because B．until C．although D．before（2023·四川泸州·统考一模）36．Wang Yaping, the first Chinese female astronaut, gave the star to her daughter ________ she went back to the earth.A．as soon as B．until C．unless D．so that （2023·四川广元·校联考模拟预测）37．—Time to go home, Peter.—Wait a minute. I can’t go home ________ I finish cleaning the hallway.A．since B．until C．after D．before （2023·天津南开·统考二模）38．Lucy hasn’t called her parents ________ she went to London.A．so B．since C．before D．as soon as （2023·辽宁沈阳·统考三模）39．The boy was so quiet that often no one would notice ________ he came in the room. A．because B．unless C．while D．when（2023·福建南平·统考二模）40．ChatGPT has influenced people’s life a lot since it ________.A．is developed B．was developed C．will be developed （2023·福建漳州·统考二模）I41．It is said that Zhang Sanfeng created tai chi(太极) ________ he had watched a fight between snake and a bird.A．until B．after C．when（2023·北京东城·统考二模）42．While I ________ home yesterday afternoon, it began to rain.A．walk B．will walk C．was walking D．am walking （2023·北京朝阳·统考二模）43．I ________ you an email as soon as I receive the photos.A．send B．sent C．will send D．have sent （2023·河北保定·统考二模）44．Don’t talk with each other ________ you study in class.A．when B．until C．although D．unless （2023·四川达州·统考一模）45．—I won’t come to the party unless Sue ___________, too.—You mean if Sue comes, you will come?A．will invite B．will be invited C．is invited（2023·安徽合肥·统考三模）46．—Do you think we can get to the airport on time?—Yes, _________ the car doesn’t break down.A．though B．unless C．if D．until （2023·安徽滁州·统考二模）47．—It seems that you keep taking some exercise all the time.—Yeah. I won’t feel well ________ I play sports every day.A．as soon as B．unless C．if D．though （2023·安徽合肥·统考二模）48．—________ you have your health, nothing else matters.— I can’t agree with you more.A．As long as B．Although C．Until D．As soon as （2023·安徽亳州·统考二模）49．It’s hard to say goodbye to our middle school ________ we all have many happy days to remember.A．because B．before C．until D．unless （2023·江苏无锡·统考一模）50．The course of life never runs smoothly ________ it is full of ups and downs. A．though B．since C．while D．unless。

see watch notice hear feel 后接do doing to do的用法专讲专练

see/watch/notice/hear/feel后接do/doing/todo的用法see sb doing sth 看见某人正在做某事（强调只看见其中一部分过程）。

标志词when / while / as “当...的时候”（某一时间点上看见某人正在做某事）例如：When I passed her classroom, I saw her cleaning her room. (有标志词when，某一时间点上看见某人正在做某事）see sb do sth 看见某人做过某事或看见某人常常做某事（强调看见全部过程）。

标志词often / every Sunday（看见某人常常做某事）例如：She often sees him run in the park. (有标志词often，常常看见某人做某事）例如：I saw him go into the room. (强调全部过程）see sb do sth 改成被动为：sb be seen to do sth.see sb to do sth是不符合英语的表达的. see sb doing sth 改成被动为：sb be seen doing sth.类似的动词还有:一感：feel；二听：hear，listen to；三看：notice , see，watch随堂练习按单词正确形式填空。

1. I saw him __________(work) in the garden when I passed her house.2. I heard someone ——knock at the door three times .3. I see him __________ (come) in and sit down4. Do you hear someone _________ (knock)at the door?5. Mary is often seen _________ (play) the voilin.6. I noticed her _______(go) out the roomwhen I was writing.7. I saw him ________ (cross) the road just now.8. I saw her __________ (lie) on the grass while I was playing football.9. I see the girl ________ (paly) in the garden every day.10. They noticed someone ________(talk) when they passed the classroom.11. Lucy is often heard __________(read) books in the morning.12.When I passed her room, I heard her ________ ____(sing) an English song.二、单项选择。

2024年初中中考英语语法-过去进行时专项

过去进行时过去进行时可以表示过去某一个时刻或者过去一段时间内正在进行的动作。

结构：was/were doing一、时间状态1.常常和表示过去的时间状语连用Then 那时，at the time在那时This time yesterday 昨天的这个时候At ten yesterday 昨天晚上十点2.用另一个表示过去的动作来确定时间状态比如：when you called me yesterday.例句：what are you doing ？I was watching TV at that time. 昨天晚上十点钟你在干嘛，那个时间我正在看电视。

He was reading when i came in .当我进来时，他在读书。

I was doing my homework while my parents were watching TV。

3.过去进行时常常和always 等表示频率的副词连用，表示过去频繁发生的习惯性动作。

有感情色彩。

例句：Lily was always changing her mind。

莉莉总在改变主意。

（不以为然）He was always ringing me up. 他老是给我打。

（厌烦）She was always working. 她总是不停地干活。

（赞扬）二、一般过去时和过去进行时的区别They played basketball yesterday.（一般过去时）They were playing basketball at 4：00PM yesterday.（过去进行时）强调动作在过去某个时间或某段时间正在进行时，不明确是否结束，用过去进行时。

一般过去时的时间点没有过去进行时的时间点明确。

例句：He ate all the cakes yesterday .他昨天吃完了蛋糕。

He was eating cakes at this time yesterday.昨天这个时候他正在吃蛋糕。

高考关键词when的用

高考关键词when的用法
作为对等连词，一。when作为对等连词，意为：“正在作为对等连词意为：此时；正在这时” 常见句型如下：此时；正在这时”。常见句型如下： 1.be doing something when................ I was doing my homework when the telephone rang. 2.be about to do something when ............ He was about to leave here when the telephone rang. 3.be on the way to... when................. I was on my way to lecture when someone asked me f从句用作关系副词引导定语从句例如：例如：I have never forgetten the day when(on which)I joined the army. 四.固定搭配固定搭配 1.Somebody hate/love/enjoy/appreciate/like it when.............. 例如：例如：I like it in the autumn when the wheather is clear and bright.(04 全国高考，27）全国高考，） 2.Hardly..........when.........(一.....就.....）一就）例如：例如：Hardly had I got to school when the bell rang. 3.When it comes to......... (当谈及当谈及.......）当谈及）例如：例如：When it comes to education, a lot of people think it is a lifelong study.

Module8过去进行时及whenwhile引导的过去时间的状语从句区别课件英语八年级上册(完整版)

when 也可“在……时期”，它可兼指“时间点”与“时间段”，
所引导的从句的动词既可以是终止性动词，也可是持续性动词。
当...的时候
They were drawing a tiger when the teacher came in.
延续性的动作
短暂性的动作
The teacher came in when they were drawing a tiger.
while 只指"时间段"，不指"时间点"，从句的动词只限于持续性动词。
My aunt was watching TV last night, while my uncle was playing games.
延续性的动作
延续性的动作
主句：过去进行时
从句：一般过去时
We were talking when the teacher came in. (强调老师突然进来）（When the teacher came in ,we were talking .）
while
说明一个动作正在进行的同时，另一个动作也在进行，强调两个动作同时性
They were singing while we were dancing . (强调唱歌跳舞同时发生）
区别2 搭配的时间不同+ 动词不同
When后可长亦可短，while之后只能长若是两个都为长， while 来把纽带当
当……的时候（was/were+v-ing)
While 当……的时候
一般过去时（v-ed)
While 同时
过去进行时（was/were+v-ing)
从句一般过去时（v-ed)

doing 做宾语和主语

一尝试练习Revisioning形式作主语和宾语的用法Translate the following sentences into Chinese.1. Talking to him is talking to a wall.2. Smoking may cause cancer3. Walking is my sole exercise.4. Talking mends no holes.5. I suggest bringing the meeting to an end.6. He admitted taking the money.7. I couldn’t help laughing.8. Your coat needs brushing.二师生课堂互动ing 形式作定语, 宾语补足语和表语的用法1. 单个动词的-ing形式作定语位于被修饰名词的前面，既可以表示被修饰者的作用或功能，也可以表示被修饰者的动作或状态。

如：1 building materials= materials for building2 = water for drinking 饮用水3 = a stick for walking 手杖4 a reading room = 阅览室5 a = a desk for writing 写字台6 = music that is tiring 烦人的音乐7 a result = a result that is surprising 一个惊人的结果2. -ing形式短语作定语时, 放在所修饰的名词之后, 并且在意思上相当于一个定语从句。

如：They lived in a room facing the street.= They lived in a room .The man is Peter’s father.= The man who is standing there is Peter’s father.Anybody swimming in this river will be fined.= Anybody will be fined.3. -ing形式短语也可以用作非限制定语，相当于一个非限制性定语从句，这时，它与句子其他部分用逗号分开。

when的用法总结

when的用法总结一、作为副词，它有以下的用法：1. 作为疑问副词，引导特殊疑问句，意为“什么时候；何时”。

如：（1 ）When will they come back？（2 ）What time will they come back？回答when 引导的从句，不一定指出具体的时间点。

如回答句（1 ）可用tomorrow，next month 等。

而回答what time 引导的问句，则必须说出具全的时间点，如at two o'clock，at five past ten 等。

2. 作连接副词，引导名词性从句或不定式，意为“什么时候”。

从句使用陈述句语序，时态根据实际情况而定。

如：（1 ）I'd like to know when they will come. 我想知道他们什么时候来。

（when 引导宾语从句）（2 ）Can you tell me when the bank opens？你能告诉我银行什么时候开门吗？（when 引导宾语从句）（3 ）When she'll be back depends much on the weather. 她何时回来在很大程度上取决于天气。

（when 引导主语从句）（4 ）Have you decided when to go sightseeing？你们已经决定什么时候去郊游了吗？（when 引导不定式结构）3. 作疑问代词，常和介词since，till，up to 等连用，意为“什么时候”。

如：（1 ）Since when have they had the house？他们从什么时候起有这幢房子的？（2 ）Till when is the library open？图书馆开放到几点呢？4. 作关系副词，引导限制性定语从句和非限制性定语从句。

如：（1 ）The days are gone forever when the Chinese people were looked down upon. 中国人民被人轻视的日子一去不复返了。

状语从句(9种全)

状语从句在复合句中作状语的从句叫状语从句。

状语从句有时间、地点、原因、目的、结果、条件、方式、比较、让步等种类。

一、时间状语从句引导时间状语从句的连接词有: when, as, while, after, before, since, ever since, as soon as, once, till, until, whenever, no sooner…than, hardly/scarcely...when, themoment/minute/instant/second, every time, each time, any time, the first time, next time, last time, all the time, by the time, directly, immediately, instantly等。

1.表示“一···就···”的句型1) as soon as/onceAs soon as he arrives, I'll call you.他一到，我就给你打电话。

（as soon as 侧重时间或动作先后衔接紧，而once侧重条件，表示“一旦...”）2) on doing sth/on one's + n.作时间状语On arriving at the station, the thief was arrested.一到达车站，这个小偷就被逮捕了。

On his arrival in Paris, he was recognized as a noble and thrown into prison. 他一到达巴黎，就被认出是一个贵族，并被投入监狱。

3) no sooner ...than , hardly/scarcely...when它们表“一…就”。

结构中的否定词放在句首时，主句要倒装。

when doing的用法总结

“When doing”是一种重要的英语表达方式，它可以帮助我们更加准确地表达想要表达的意思。

下面就介绍一下“when doing”的用法总结：
1、When doing引导的状语从句表示的是动作发生的时间，常用的时间状语有：when, while, as, by the time等，表示的都是“当……的时候”。

2、When doing引导的状语从句可以用来表示主句动作和从句动作同时发生，也可以表示主句动作发生的环境或条件。

3、When doing也可以用来表示主句动作发生时从句动作正在进行，表示“当……时”。

4、When doing也可以用来表示从句动作发生后，主句动作发生，表示“当……之后”。

综上所述，“when doing”是一种重要的英语表达方式，用于表示动作发生的时间，时间状语从句常用 when, while, as, by the time等，表示“当……的时候”；也可以用来表示主句动作发生时从句动作正在进行，也可以表示从句动作发生后，主句动作发生。

因此，要正确运用“when doing”这一语法，就必须根据不同的句子结构考虑不同的使用场景。