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Where to begin - Davenport University

where引导的从句

Where 引导的从句 【教学目标】让学生掌握八种状语从句的基本用法 【教学难点】where 引导的状语从句和正确运用where的注意事项 【教学重点】where 引导的状语从句 【教学过程】 一.where 的用法与高考难点 where的用法灵活多变,表现在它可以引导多种从句,请看下面的句子: Where he was born is unknown to us. He told me where he was born. This is where he was born. I have no idea where he was born. This is the place where he was born. He works where he was born. No matter where you go ,I’ll wait for you here. (一).作连接副词,引导名词性从句 I. 引导主语从句 we shall spend our holiday this summer ____ decided. A. why, is not B. when , has not C. where, has not been D. That, hadn’t 有时为了平衡句子,避免句子头重脚轻,使用形式主语it,指代where引导的主语从句。如:It’s really no business of yours where I spent my summer. 我们在哪里度假确实与你无关。 II. 引导宾语从句 you make sure ____ the gold ring A. where Alice had put B. where had Alice put C. where Alice has put D. where has Alice put graduation he asked to be sent to _____. he is most needed B. where he needed C. where he is mostly needed D. where is he mostly needed III. 引导表语从句 and get your coat. It’s ____ you left it. A. there B. where C. there where D. where there 有时where表抽象的含义,不同的情况下译法也不同。 That’s where we differ. 这就是我们的分歧所在。 That’s where we stand. 这就是我们的立场。 That’s where you are wrong. 你的错就在这儿。

where引导的定语从句修饰抽象名词

where引导的定语从句修饰抽象名词。 一、where定语从句修饰抽象名词point You reach a point where medicine can’t help. 你已到了药物无法治疗的地步。 The crisis has reached a point where the receiver will have to be called in. 危机已达到非把破产管理人叫来不可的地步。 We have reached a point where a change is needed. 我们到了必须改一改的地步。 注:有时point也可以是具体的地点: Let the point where AB cuts CD be called E. 设AB线与CD线的相交点为E。 The accident happened at the point where the A15 joins the M1. 事故发生在A15与M1交叉的十字路口。 二、where定语从句修饰抽象名词case There are cases where the word “mighty” is used as an adverb. 在一些情况下,mighty一词可用作副词。 Today, we’ll discuss a number of cases where beginners of English fail to use the language properly. 今天,我们将讨论一些英语初学者对英语使用不当的问题。 三、where定语从句修饰抽象名词activity Those successful deaf dancers think that dancing is an activity where sight matters more than hearing. 那些失聪的成功舞蹈演员们认为,舞蹈是一种让人看胜过让人听的活动。 四、where定语从句修饰抽象名词situation He got into a situation where it is hard to decide what is right and wrong. 他陷入一种难以分辨是非的局面。 If you risk something important, you cause it to be in a dangerous situation where you might lose it. 你如果拿重要的东西去冒险,那你就是将它置于一种可能会失去它的危险境地。 五、where定语从句修饰抽象名词position It’s put me in a position where I can’t afford to take the job. 这使我陷入一种不能接受此工作的境地。 六、where定语从句修饰抽象名词job

RTHJ_Manual

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目錄 簡介 (3) 安裝密封箱 (4) 測試流程範例 (8) 烤箱操作 (8) 軟體操作:「順向偏壓-溫度」曲線之量測 (9) 密封箱操作 (10) 軟體操作:熱阻量測 (12) 軟體操作說明 (13) 基本操作 (13) 報表 (14) 通訊埠設定 (15) 光功率設定 (15) 熱阻量測 (18) 附錄 (20) 計算公式一(由K係數推算T J): (20) 計算公式二(內插法求T J): (20)

簡介 RTHJ是用來搭配PTJ6000系列測試機及BC-02小烤箱之連線軟體,其主要功能是借由電腦來控制「順向偏壓-溫度」曲線之量測,以簡化熱阻量測之流程,其架構圖如下圖所示。 [電腦 PTJ6000測試機] 1.傳送測試指令。 2.接收測試讀值。 [電腦 BC-02小烤箱] 1.設定小烤箱溫度。 2.讀取小烤箱即時溫度。 [電腦 SE3000記錄器] 1.讀取密封箱即時溫度。

安裝密封箱1將測試線從密封箱左邊孔由下往上穿出。 2將感溫棒從密封箱右邊孔由下往上穿出。 3測試線、感溫棒安裝示意圖。

4感溫棒接SE3000溫度記錄器方法如圖。 a. 安裝感溫棒前 指撥開關預設全在OFF(左側),請勿更變。 若非使用本公司所提供的0.5mm K Type 感溫棒,請確認您所使用的感溫棒為非接觸式。以免量測時電流回灌傷及SE3000。 c. 依序安裝所有感溫棒(Channel 1~4) b. 安裝一組感溫棒(Channel 2) Ch1 + Ch2 - 未使用 Ch3 Ch4 Ch6 Ch5

where引导定语从句的用法

Where引导定语从句,先行词不一定都表 示地点 1、We will discuss a number of cases __ beginners of English fail to use the language preperly、A、which B、as C、why D、where 2、He was driving so fast as to get himself into a dangerous situation ___he is likely to lose the control over his car、 A、which B、as C、why D、where 两道题都选where ,但就是case, situation都不就是地点,如何理解? 在“先行词不就是表示地点的名词”的前提下,如何判断就是否使用关系副词where来引导定语从句的问题就是一个高频考点。就就是说,关系副词where 所指代的先行词不只就是表示地点的名词。

用Where引导定语从句,先行词不一定都表示地点按照通常的理解,当where 引导定语从句时,它的先行词就就是表示地点的名词,但事实并不就是我们想象的那么简单。很多情况下,where所指代的先行词并不表示地点。请瞧以下几个例句: Other research, where siblings have been asked to say who their mother and father favor, suggests that mothers do tend to show a preference for their first-born son, but fathers often show great affection for their youngest daughters、 1、Remember that the best relationship is one where your love for each other is greater than your need for each other、请记住,最深的感情关系表现为彼此间的爱超过彼此间的需要。

when 和 where 引导定语从句的用法

when 和 where 引导定语从句的用法 定语从句既是英语语法的一个重点,同时又是一个难点。说它是难点,主要难在两点上:一点是如何正确判断什么样的汉语句子要译为英语的带定语从句的复合句;另一点是定语从句的引导词较多(包括关系代词who, that, which, as 和关系副词when, where, why),而且其用法也较复杂。那么到底什么情况下用when和where来引导定语从句呢?它们又该怎么用呢?下面就举例说明: 一、when:当主句中的先行词(即主句中被后面定语从句修饰的词)是表示时间意义的名词时,它只能作定语从句的时间状语,放在定语从句句首。如果定语从句的引导词是作该定语从句的主语或宾语,则要改用关系代词that或which来引导。例如: The days when we used foreign oil are gone. 我们用洋油的日子一去不复返了。 I'll never forget the day when I was born. (=I'll never forget my birthday.) 我永远不会忘记我出生的日子。 It happened in November when the weather was wet and cold. 这事发生在天气又湿又冷的十一月。 In the years that (which) followed, Marx kept on studying English and using it. 在这之后的几年中,马克思继续学习和使用英语。(that作定语从句"that followed"的主语) The day (that) I always remember in all my life is my birthday. 我一生中最难忘的日子是我的生日。(that作定语从句"that I always remember in all my life"的宾语,that可以省略)

高考英语where引导的从句汇总

Where 引导的名词性从句,定语从句和状语从句 一.Where 引导特殊疑问句,翻译成“哪里,什么地方” Where are you from? Where are you going to work? 二. where引导地点状语从句:where 通常翻译为“在…..的地方,哪里,在哪里” Stay where you are! (待着在你所在的地方) Where you are happy, you can find a job.(在哪里你是开心的,你就可以找一份工作)Where there is a will, there is a way. 在有意志的地方,就有一条道路。(有志者,事竟成)。wherever 引导让步状语从句,通常翻译为“无论哪里,无论什么地方” Wherever you go, I’ll follow you. 我无论你去什么地方,我将会追随你。 三. where 引导的名词性从句:where 翻译成“.......的地方,哪里,什么地方” 1. 主语从句:Where he will go is uncertain now. 从句作主语 2.宾语从句:I don’t know where he will go. 从句作宾语 3.表语从句:You are saying that everyone should be equal, and this is where I disagree. 句中where是连接副词,引导表语从句,而本身在从句中做状语 4.同位语从句:I really have no idea where she has gone. 从句作同位语,对idea进行解释说明。 四.where引导定语从句:where 翻译成“在那里” 通常是表示地点的名词+ where(=介词+which) Beijing is the place where(in which)I was born.北京是我的出生地。 先行词position,situation,case,point,stage是表示“位置,情况, 境遇,地步,形势”等抽象概念的名词,有定语从句修饰时用where 或in which引导。 Can you think out a situation where this word can be used? 你能设想这个单词被使用的场合吗? Her illness has developed to the point where nobody can cure her. 她的病发展到没人能治的地步。e.g. I work in a business ______ almost everyone is waiting for the great chance. A. how B. which C. where D. that 五. 地点状语从句与定语从句的区别: 主要区别在于从句在主句中作什么成分。如果作状语,是状语从句;如果作定语修饰名词,是定语从句. where引导定语从句时,从句前应有一个表示地点的名词作先行词,where 通常可以由“介词+ which”来替代;而状语从句前则无需先行词,直接修饰整个句子。

非限制性定语从句的引导词

、先行词指人,在句中作主语who: John,who is only five,has an inborn talent for music. (约翰是一外5岁大的孩子,有着天生的音乐才能。) 2、先行词指人,在句中作宾语whom: His wife,whom you met at my home,was a teacher. (他的妻子,就是你在我家遇见的那个,是一位老师。) 3、先行词指物,在句中作主语或宾语which: Her house,which was built a hundred years ago,stood still in the earthquake.(那座房子在地震中依然耸立,它是一百多年前建造的。) 注意:无论先行词指人或者指物,在句中作主语或者作宾语,非限制性定语从句的引导词都不能用that。 4、先行词在句中作定语,无论指人或者指物,引导词都用whose: The girl,whose name is Kate,is the top of the students in our school.(那个女孩是我们学校最优秀的学生,她的名字叫Kate。) The book,whose cover is red,is mine.(封面是红色的那本书是我的。) 5、先行词指物,在句中作时间状语用when: The sports meeting will be put off till next month,when we will have made all the preparations.(运动会将被推迟到下个月,那时我们做好一切准备。) 6、The next day we arrived in New York,where we were inerviewed on the radio.(第二天我们到达纽约,在那里我们接受了电台的采访。) 7、如果先行词作介词的宾语,先行词指人,介词提前的结构是:介词+whom;先行词指物,介词提前的结构是:介词+which: President Wilson,with whom he had not the same intimate relations,is treated much less sympathetically.(威尔逊总统与他没有同样的亲密关系,所以就没有被很同情地对待。) The Second World War,in which millions of people were killed,ended in 1945.(第二次世界大战造成数百万人的死亡,于1945年结束。) 8、as也可以引导定语从句,常与such连用: Such people as you describe are rare nowadays.(象你所描绘的那种人现在已经很少见了。) Let's disscuss only such questions as concern us.(让我们只讨论那些和我们有关的问题吧。) 注意:the same that+从句,意思是:正是那一个人或物;the same as+从句,意思是:就像某个人或物: He is the same man that you are looking for.(他就是你要找的那个人。) He is the same man as you met in the street.(他很象你昨天在街上遇见的那个人。实际上并不是那个人。) This is the same pen that I lost yesterday.(这就是我昨天丢失的那支笔。) This is the same pen as I lost yesterday.(这很像昨天我丢失的那支笔。)

Start与 begin作动词的区别

Start与begin作动词的区别 1. 表示(机器)开始、启动时,用start ,不用begin ,时此的start 相当于set going 。 如:How do you start the washing machine? 洗衣机怎么启动? The man can't start the car. 这个人无法发动这辆车。 2. 表示创办、开设时,用start ,不用begin 。此时的start 相当于set up 或establish 。 如:He started a new shop last year. 去年他新开了一家商店。 3. 表示动身、出发、启程时,用start ,不用begin ,此时的start 相当于set out 或set off 。 如:He started for America last week. 他上周动身去美国了。 4. 表示开始使用时,用start ,不用begin ,此时的start 相当于begin to use 。 如:You have used up this bottle of ink. Will you start another one? 你已用完了这瓶墨水,打算再用一瓶吗? 5. 表示惊动、惊起时,用start ,不用begin ,此时的start 相当于be started 。 如:She started at the sound of my voice. 她听到我的声音吓了一跳。 6. 表示提出问题时,用start ,不用begin ,此时的start 相当于raise 或put up 。 如:John started a question at the meeting. 约翰在会上提出了一个问题。 7. 表示怀孕(口语)时,用start ,不用begin ,此时的start 相当于carry 或be in a family way 。如:Linda has started a baby. 琳达怀孕了。 8. 指一段时间的开始常用begin ,而不用start 。 如:The new school year will begin soon. 新学年很快就要开始了。 另外,begin 表示的开始往往指从起点开始,而start 则不一定。 因此当一件事中断后再开始时应用start again ,而begin again 则含有“从头再来”(= begin afresh )的意思。 如:Conversation started and stopped ,and after a long pause ,started again. 谈话开始后又停止了,过了好长一会儿才又开始。 Don't lose heart; let's begin again (afresh ). 别灰心,让我们从头再来。

where引导的定语从句的先行词

where在定语从句中引导的先行词 一、where定语从句修饰抽象名词point You reach a point where medicine can’t help. 你已到了药物无法治疗的地步。The crisis has reached a point where the receiver will have to be called in. 危机已达到非把破产管理人叫来不可的地步。 We have reached a point where a change is needed. 我们到了必须改一改的地步。 注:有时point也可以是具体的地点: Let the point where AB cuts CD be called E. 设AB线与CD线的相交点为E。The accident happened at the point where the A15 joins the M1. 事故发生在A15与M1交叉的十字路口。 二、where定语从句修饰抽象名词case There are cases where the word “mighty” is used as an a dverb. 在一些情况下,mighty一词可用作副词。 Today, we’ll discuss a number of cases where beginners of English fail to use the language properly. 今天,我们将讨论一些英语初学者对英语使用不当的问题。 三、where定语从句修饰抽象名词activity Those successful deaf dancers think that dancing is an activity where sight matters more than hearing. 那些失聪的成功舞蹈演员们认为,舞蹈是一种让人看胜过让人听的活动。 四、where定语从句修饰抽象名词situation He got into a situation where it is hard to decide what is right and wrong. 他陷入一种难以分辨是非的局面。 If you risk something important, you cause it to be in a dangerous situation where you might lose it. 你如果拿重要的东西去冒险,那你就是将它置于一种可能会失去它的危险境地。 五、where定语从句修饰抽象名词position

which引导的定语从句的用法

which引导的定语从句的用法 WHICH可以引导定语从句,修饰表示事物的先行词,在定语从句中充当主语、宾语或者表语。例如:HEWASREADINGABOOK, WHICHWASABOUTWAR.他正在读一本关于战争的书。(关系代词WHICH在修饰BOOK的定语从句中充当主语。) HEWASREADINGABOOK,WHICHHEHADBOUGHTFROMLONDON.他正在读一本书,这本书是从伦敦买回来的。(关系代词WHICH在修饰BOOK的定语从句中充当宾语。) WHICH引导非限定性定语从句时有一个特殊用法,即它所引导的非限定性定语从句修饰主句中更多的部分甚至整个主句(这时被定语从句所修饰的“先行词”要作广义理解),WHICH仍在定语从句中作主语、宾语或表语。例如:HESETFREETHEBIRDSHAPPILY, WHICHWASACELEBRATIONFORHISSUCCESS.他开心地把鸟放了,这是对他成功的一种庆祝。 把非限定性定语从句“WHICHWASACELEBRATIONFORHISSUCCESS”的先行词视为主句中的“THEBIRDS”显然不符合整句的语境,被 “WHICHWASACELEBRATIONFORHISSUCCESS”所修饰的是整个主句,WHICH所引导的这类特殊的非限定性定语从句对主句所叙述的情况进行某种意义的补充说明,WHICH常可译为“这一点,这件事”。 [考题1] YOUCANFINDWHATEVERYOUNEEDATTHESHOPPINGCENTRE, ____ISALWAYSBUSYATTHEWEEKEND.(2006上海春) A.THAT B.WHERE C.WHAT D.WHICH [答案]D

begin与start区别

Start与begin区别 一 . 相同之处 1. 意为“开始;发生;发起”时,两者可互换。如: Then he began/ started a series of experiments. 然后他就开始做一系列的实验。 How did the accident begin/ start? 事故是怎样发生的? 2. 表示开始某一动作时,后面跟不定式或动名词所表达的意思是相同的。但当表示开始一项较长时间或经常性的活动时,后接动名词的形式则更为常见。如: The child began crying/ to cry. 那小孩开始哭了。 3. 两者在下列情况下常接不定式,不接动名词: (1 )主语是无生命的事物,而不是人时。如: The ice began/ started to melt. 冰开始融化了。 (2 )当began 和start 用于进行时态时。如: he plaster was beginning / starting to fall from the walls. 墙上的灰泥开始脱落了。 (3 )当begin 和start 后接表示心理状态或精神活动的动词时。如: Mary began/ started to guess what is in the bag. 玛丽开始猜包里有什么东西了。 4. 两者都具有及物动词词性和不及物物动词词性。如: What time do you begin/ start school? 你是什么时候开始上学的? His work starts/ begins at half past eight and finishes at a quarter to five. 他的工作八点半开始,四点四十五分结束。 5. begin/ start with 意为“从……开始”。如: Which lesson shall I begin / start with? 我应从哪一课开始? 6. begin 和start 均为终止性动词,因此不能与段时间状语连用。如: 电影开始10 分钟了。 误:The film has begun/ started for ten minutes. 正:The film began ten minutes ago. 正:The film has been on for ten minutes. 正:It's ten minutes since the film began. 二 . 不同之处 1. 表示(机器)开始、启动时,用start ,不用begin ,时此的start 相当于set going 。如: How do you start the washing machine? 洗衣机怎么启动? The man can't start the car. 这个人无法发动这辆车。 2. 表示创办、开设时,用start ,不用begin 。此时的start 相当于set up 或establish 。如: He started a new shop last year. 去年他新开了一家商店。 3. 表示动身、出发、启程时,用start ,不用begin ,此时的start 相当于set out 或set off 。如: He started for America last week. 他上周动身去美国了。 4. 表示开始使用时,用start ,不用begin ,此时的start 相当于begin to use 。如:You have used up this bottle of ink. Will you start another one? 你已用完了这瓶墨水,打算再用一瓶吗?

介词引导的定语从句 -答案

介词+关系代词引导的定语从句 “介词+关系代词”引导的定语从句是定语从句的一种复杂形式,这类定语从句的关系代词主要有which ,whom , whose , 它们既可以引导限定性定语从句,也可以引导非限定性定语从句。关系代词前该选用什么样的介词,要根据不同的语境、习语、惯用法等来决定。一.介词选择的主要标准 1.介词与定语从句的先行词是一种习惯性搭配 Human facial expressions differ from those animals in the degree to which they can be controlled on purpose.人类的面部表情和动物的面部表情就可控制的程度来说是不一样的。( to a degree ) The English play in which my students acted at the New Year’s party was a great success.那场在新年晚会上我学生参加表演的英语剧很成功。( in the play ) The schools themselves admit that not all children will be successful in the jobs for which they are being trained.学校本身承认,并不是所有的孩子都能在他们所接受的培训的职业成功。( be trained for the job ) 2.介词与定语从句中的动词是一种习惯性搭配 Who is the man with whom our teacher is shaking hands? 我们的老师与之握手的那个男士是谁?( shake hands with sb. ) Last month , part of Southeast Asia was struck by floods , from whose effects the people are still suffering. 上个月,东南亚的部分地区发生洪水,人们还在遭受着洪水所带来的影响。(suffer from sth. ) 3.介词与定语从句中的形容词构成一种习惯性的搭配 Ours is a beautiful country , of which we are greatly proud . 我们的国家是一个美丽的国家,我们为之感到很自豪。( be proud of ) The woman to whom Spielberg is married is an actress. 同斯皮尔伯格结婚的女人是一位演员。( be married to ) The woman to whom he was engaged was a doctor. 他与之订婚的那个女士是位医生。(be engaged to ) 4.有时关系代词前用什么介词,要根据句子的意思来决定,此时不但要注意其前的搭配,也要注意其后的搭配 I was a woman running toward me in the dark. Before I could recognize who she was, she had run back in the dark.Before I could recognize who she was , she had ran back in the direction from which she had come.看见一位妇女在黑暗中像我走来,我还没来得及认清她是谁,她已经从她来的方向跑回去了。(如果仅注意先行词,很容易受习惯心里的影响而使用in this direction 的搭配,但考虑到语境后的come ,则应该使用from。) He was educated at the local high school, after which he went on to Beijing University. 他在当地一所高中上学,之后他上了北京大学。(after which 的意思就是“在当地一所高中接受完教育之后”)。 In the office I never seem to have time until after 5:30 pm. by which time many have got home.在 办公室我好像总是没时间,只有等到下午五点半,而那个时候大家都已经回家了。(此句不能受at 5:30 pm 的通常表达的影响而选用介词at, 而应该依据整个句子的语意来确定介词。)5.表示“所有格”或“整体与部分关系”时,用介词of The journey around the world took the old sailor nine months, of which the sailing time was 226 days.这次环球旅行老水手用了9个月,其中航行的时间是226天。 The factory produces half a million pairs of shoes every year, 80% of which are sold abroad. 这个工厂每年生产50万双鞋,其中的(指50万双鞋)80%销往海外。 I was told that there were about 50 foreign students studying Chinese in the school, most of whom

begin与start区别

Start与begin区别 一.相同之处 1.意为“开始;发生;发起”时,两者可互换。如: Then he began/ started a series of experiments.然后他就开始做一系列的实验。 How did the accident begin/ start?事故是怎样发生的? 2.表示开始某一动作时,后面跟不定式或动名词所表达的意思是相同的。但当表示开始一项较长时间或经常性的活动时,后接动名词的形式则更为常见。如: The child began crying/ to cry.那小孩开始哭了。 3.两者在下列情况下常接不定式,不接动名词: (1)主语是无生命的事物,而不是人时。如: The ice began/ started to melt.冰开始融化了。 (2)当began和start用于进行时态时。如: he plaster was beginning / starting to fall from the walls.墙上的灰泥开始脱落了。 (3)当begin和start后接表示心理状态或精神活动的动词时。如: Mary began/ started to guess what is in the bag.玛丽开始猜包里有什么东西了。 4.两者都具有及物动词词性和不及物物动词词性。如: What time do you begin/ start school?你是什么时候开始上学的? His work starts/ begins at half past eight and finishes at a quarter to five.他的工作八点半开始,四点四十五分结束。

Where引导从句的用法总结

W h e r e引导从句的用法总结-标准化文件发布号:(9556-EUATWK-MWUB-WUNN-INNUL-DDQTY-KII

Where引导从句的用法总结 Where引导从句分为引导定语从句、状语从句、名词性从句三种,用法如下: 1.where引导定语从句—形容词性从句 where引导定语从句时,其先行词是表示地点的名词,where 引导的从句修饰先行词,Where是关系副词,它在定语从句中作地点状语,此时 where 相当于at/in/on+which。如: This zoo is not the only place where the animal can be seen. 这个动物园并不是唯一能够看到这种动物的地方。 She’s got herself into a dangerous situation where she’s likely to lose her life. 她将自己置于了危险的境地,而且很有可能丢掉性命。 2. where引导状语从句—副词性从句 where引导状语从句时,Where前没有表示地点的先行词,Where是从属连词,Where引导的从句修饰主句的谓语动词,它相当于 in/at the place where。如: My father grew up where he was born. 我父亲是在他出生的地方长大的。 Take him where it is safe. 把他带到安全的地方去。 3.where引导名词性从句—名词性从句 where引导的名词性从句主要有宾语从句、表语从句、主语从句以及同位语从句,此时where相当于the place where,可译为:“……的地 方”,where是疑问副词。如: Can you tell me where you found it? 你能告诉我你是在哪儿找到它的吗? That’s where I was when the accident happened. 那就是事故发生时我所在的地方。

定语从句中引导词的特殊用法

一 先行词指物的特殊情况: 一.必须用that的情况: 1. 先行词被序数词、形容词的最高级修饰时, eg. This is the first job that I have taken up. This is the most interesting novel that I have ever read. 2. 先行词是不定代词,something somebody nothing anything 等或是all little much 时, eg. There is something that I want to tell you. 3. 先行词被all/ any/ every/ each/ few /little/ no/ some/ much/ only/ none/ both/ either/ neither 等修饰时, eg. I have read all the books that you lent me. 4. 先行词被the only, the last, the very…修饰时, eg. This is the only method we can use. 5. 先行词又有人又有物时, eg. They talked about things and persons that they know in the school. 6. 主句以who 或which开头时, eg. Who is the old man that speak to you just now ? 二、修饰物时只用which不用that的情况 1,引导非限制性定语从句时。例如: Bamboo is hollow, which makes it light.竹子是空心的,这使得他很轻。2,当关系词前有介词时。例如: This is the room in which Chairman Mao once lived.这就是毛主席曾经住过的地方。 3,在一个句子中有两个定语从句,其中一个定语从句的关系代词用了that, 另一个宜用which。例如: Let me show you the novel that I borrowed from the library which was newly open to us.我来给你看我从新开的图书馆里借来的那本小说。 4、当关系代词后面有插入语时。例如: Here is the English grammar which, as I have told you, will help improve your English.这就是我跟你说过的会有助于你学好英语的那本英语语法书。5、先行词为that时。例如: The clock is that which can tell us the time.钟是报时的装置。 三、修饰人时只用who不用that的情况 1、先行词为one, ones, anyone, those指代人时。如: The person I want to learn from is one who studies hard and works well.我最羡慕的是学习勤奋,工作出色的人。

start-to-do-sth-与start-doing-sth的区别

s t a r t t o d o s t h与s t a r t d o i n g s t h的区别start doing sth和start to do的区别 begin / start to do sth begin / start doing sth. 1) 谈及一项长期活动或开始一种习惯时,使用doing. How old were you when you first started playing the piano? 你几岁时开始弹钢琴? 2) begin, start用进行时时,后面动词用不定式to do I was beginning to get angry。 我开始生起气来。 3) 在attempt, intend, begin, start 后接know, understand, realize这类动词时,常用不定式to do。 I begin to understand the truth。 我开始明白真相。 4) 物作主语时 It began to melt 另:英语中的begin 与start 都有“开始”的意思,但在实际运用中,却有很多不同 一 . 相同之处 1. 意为“开始;发生;发起”时,两者可互换。如: Then he began/ started a series of experiments. 然后他就开始做一系列的实验。 How did the accident begin/ start?事故是怎样发生的? 2. 表示开始某一动作时,后面跟不定式或动名词所表达的意思是相同的。但当表示开始一项较长时间或经常性的活动时,后接动名词的形式则更为常见。如: The child began crying/ to cry. 那小孩开始哭了。 3. 两者在下列情况下常接不定式,不接动名词: (1 )主语是无生命的事物,而不是人时。如: The ice began/ started to melt. 冰开始融化了。 (2 )当began 和start 用于进行时态时。如: The plaster was beginning / starting to fall from the walls. 墙上的灰泥开始脱落了。 (3 )当begin 和start 后接表示心理状态或精神活动的动词时。如: Mary began/ started to guess what is in the bag. 玛丽开始猜包里有什么东西了。 4. 两者都具有及物动词词性和不及物物动词词性。如: What time do you begin/ start school?你是什么时候开始上学的? His work starts/ begins at half past eight and finishes at a quarter to five. 他的工作八点半开始,四点四十五分结束。 5. begin/ start with 意为“从……开始”。如: Which lesson shall I begin / start with?我应从哪一课开始? 6. begin 和start 均为终止性动词,因此不能与段时间状语连用。如: 电影开始10 分钟了。 误:The film has begun/ started for ten minutes.

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