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1、语法复习五：强调句、It的用法、省略和插入语一、强调句（-）强调句句型1、陈述句的强调句型：It is/was +被强调部分（通常是主语、宾语或状语）+ that/ who （当 强调主语且主语指人）+其它部分。e.g. It was yesterday that he met Li Ping.2、一般疑问句的强调句型：同上，只是把is/was提到it前面。e.g. Was it yesterday that he met Li Ping?3、特殊疑问句的强调句型:被强调部分（通常是疑问代词或疑问副词）+ is/ was + it + that/ who +其它部分？e.g. When and
2、 where was it that you were born?4、强调句例句：针对 I met Li Ming at the railway station yesterday.句子进行强调。强调主语： It was I that （who） met Li Ming at the railway station yesterday.强调宾语：It was Li Ming that I met at the railway station yesterday.强调地点状语：It was at the railway station that I met Li Ming yesterday.强
3、调时间状语：It was yesterday that I met Li Ming at the railway station.5、注意：构成强调句的it本身没有词义；强调句中的连接词一般只用that, who,即使在强 调时间状语和地点状语时也如此，that, who不可省略；强调句中的时态只用两种，一般现在时和 一般过去时。原句谓语动词是一般过去时、过去完成时和过去进行时，用It was，其余的时 态用 It is . o（二）not. until.句型的强调句1、句型为：It is/was not until +被强调部分+ that +其它部分e.g. 普通句：He didnt go
4、 to bed until/ till his wife came back.强调句： It was not until his wife came back that he went to bed.2、注意：此句型只用until,不用till。但如果不是强调句型，till, until可通用；因为句型中 It is/ was not.已经是否定句了，that后面的从句要用肯定句，切勿再用否定句了。（三）谓语动词的强调1 It is/ was . that.结构不能强调谓语，如果需要强调谓语时，用助动词do/does或did。e.g. Do sit down.务必请坐。He did write
5、 to you last week.上周他确实给你写了信。Do be careful when you cross the street.过马路时，务必（千万）要小心啊！2、注意：此种强调只用do/does和did ,没有别的形式；过去时用did ,后面的谓语动词 用原形。二、It的用法（-）作人称代词1、it代替前面（或后面）的单数名词或分句等所表示的事物。e.g. You cannot eat your cake but have it. （it 代替前面的 cake）Although we cannot see it, there is air all around us. （it 代替
6、后面的 air）They say he has left town, but I dont believe it. （it 代替前面 They.town 分句中的情况） 2、代替有生命但不能或不必分阴阳性的东西（包括婴儿）。e.g. Yesterday we saw a big tree. It was fully twenty metres high. （it 代替前面的 tree）The baby cried because it was hungry. （it 代替前面的 baby ）3、在某些习惯说法中，可以代替人。e.g.Someone is knocking at the door
7、, Peter. Who is it? Its me.Who are singing? It is the children.The light is still on in the lab. It must be the third-year students doing the experiment.4、it与。ne的区别：这两个词都可以代表前面说过的名词，但it用于同名同物的场合；one 则用于同名异物的场合。e.g.Do you still have the bicycle? No, I have sold it.Is this knife yours? No. It is Xiao
8、Zhangs. Mine is the one on the desk.5、it与that的区别：两词都可代替某一特定名词，但that指同一类，并非同一个。e.g. The climate of South China is mild （温和的）；I like it very much. （it 指 the climate of South China）The climate of South China is much better than that of Japan, （that 指 the climate）（二）作无人称代词it作无人称代词时，除了句中找不到它所代表的词语外，另一个特点
9、是它后面的内容都是表 示天气、时间、距离、度量衡及情况等。It is fine （rainy, windy, etc.）.It is noon.It is a half hour 9s walk to the factory.It is eighteen square metres in area.What does it matter?（三）作强调词，构成强调结构用以帮助改变句子结构，使句子的某一成分受到强调。“It is （was） +所强调的成分4- that （who） +其它成分。”在这个句型中，it本身没有词义。详见“一、强调句”。（四）引导词it作形式主语（宾语）为了使句子平衡，
10、常采用形式主语（或宾语）it ,而把真正的主语（或宾语）置于句子后面。 通常引导词it与它所代替的句子成分中间要夹有某些词。e.g. It takes half an hour to go there on foot. （It 与 to go there on foot 之间夹有 takes half an hour四个词）We thought it strange that Mr Smith did not come last night, （it 与 that 从句中间夹有 strange）但有时it与所替代部分之间并不夹有其它词。e.g. You may depend on it tha
11、t they will support you.（因为介词 on 之后一般不直接接 that 弓I 导 的宾语从句。注意：it不是多余的，不能当作错句）练习一、强调句、It的用法1. My bike is missing. I cant find anywhere.D. thatD. ThissA. oneB. onesC. itWhos that?Professor Li.A. ThatsB. ItsC. Heswas Jane that I saw in the library this morning.A. ItB.HeC. SheD. That2. Have you ever seen
12、 a whale alive? Yes, Ive seenA. thatB. itC. suchD. oneThe color of my coat is different from of yours.A. thisB. thatC. itD. onewill do you good to do some exercise every morning.A. ItB. ThereC. ThoseD. You3. We think our duty to pay taxes to our government.D. itD. whatD. It isA. thatB. thisC. itsThe
13、 climate of Shanghai is better than of Nanjing.A. thatB. itC. whichfour years since I joined the Army.A. There wasB. There isC. It wasHow long to finish the work?A. youll takeB. youll take itC. will it take you D. will take youIt was through Xiao Li I got to know Xiao Wang.A. whoB. whomC. howD. that
14、It was in the rice fields we had our league meeting.A. whereB. thatC. in which D. on whichIt was on October 1st new China was founded.A. whichB. whenC. asD. thatWas it because he was ill he asked for leave?A. andB. thatC. thafsD. soMary speaks in a low voice;is difficult to know what she is saying.A
15、. itB. thatC. soD. sheIt was I met Mr Green in Shanghai.A. many years that B. many years before C. many years ago that D. many years when17.is not everybody can draw so well.A. It, allB. It, thatC. There, who D. There, that18. So that no fish can live in it.A. shallow is the lake B. the lake is shal
16、low C. shallow the lake is D. is the lake shallow为了使讲话和行文简洁，句中某些成分有时可省略。省略可分以下几种情况:(-)简单句中的省略1、省略主语：祈使句中主语通常省略。其它省略主语多限于少数现成的说法。e.g. (I) Thank you for your help.(括号内为省略的词语，下同)see you tomorrow.(It) Doesnt matter.2、省略主谓语或主谓语的一部分。e.g. (There is) No smoking. (Is there) Anything wrong? Why (do you) not s
17、ay hello to him?3、省略作宾语的不定式短语，只保留t。e.g.Are you going there? Id like to (go there).He did not give me the chance, though he had promised to (give me the chance).注意：如果该宾语是be动词或完成时态，则须在to之后加上be或have。e.g.Are you an engineer?No, but I want to be.He hasnt finished the task yet.Well, he ought to have.4、省略表
18、语。e.g. Are you thirsty? Yes, I am (thirsty).5、同时省略几个成分。e.g. Lets meet at the same place as (we met) yesterday.Have you finished your work?(I have) Not (finished my work) yet.(二)并列句中的省略两个并列分句中，后一个分句常省略与前一分句中相同的部分。e.g. My father is a doctor and my mother (is) a nurse.I study at college and my sister (
19、studies) at high school.(=)主从复合句中的省略1、主句中有一些成分被省略。e.g. (Im) Sorry to hear that you are ill.（It is a） Pity that he missed such a good chance.2、省略了一个从句或从句的一部分，用so或not （切不可用it或that）代替。I think so.Fm afraid not.e.g.Is he coming back tonight?Is he feeling better today?这种用法常见的有:How so? Why so? Is that so?
20、I hope so. He said so 及 I suppose not. I believed not. I hope not 等。(但 I dont think so 比 I think not 更常用)。（四）其它省略1、连词that的省略:、宾语从句中常省略连词that,但也有不能省略的情况（参看“名词性从句”等有关部分）。、在定语从句中，that在从句中作宾语时可省略。、引导主语从句、同位语从句等的连词that 一般不可省略。在表语从句中偶尔可省略。2、不定式符号to的省略、并列的不定式可省去后面的t。e.g. I told him to sit down and wait for
21、 a moment.、某些使役动词（如 let, make, have）及感官动词（如 see, watch, notice, hear, feel, look at 和listen to等）后面作宾语补足的不定式一定要省去to,但在被动语态中须把to复原。e.g. I saw the boy fall from the tree. The boy was seen to fall from the tree.、介词but前若有动词do,后面的不定式不带to。e.g. The boy did nothing but play.3、在某些状语从句中，从句的主语与主句主语一致时，可省去“主语+ b
22、e”部分。（参看 “状语从句”有关部分）4、连词if在部分虚拟条件句中可省略，但后面的语序有变化（参见“倒装句”有关部分）5、主句与从句各有一些成分省略。e.g. The sooner (you do it), the better (it will be).、插入语英语句子中（尤其在口语中）常插入一些单词、短语或者句子，用来补充某些含义。语法上 称他们为“插入语”。（-）插入语的类型：1、单词(多是副词)，如：besides, however, otherwise, therefore, though 等。 e.g. She is looking fit,洗他看起来倒是健康。I can, h
23、oweverf discuss this when I see you.2、短语e.g. China and India, for example, are neighbours.By the way, where are you from?3、句子e.g. He is an honest man, I believe.Jack, as far as I know, isnt clever.（-）插入语的位置通常插入语位于句中，并用逗号隔开。但有时，也可位于句首或句末（见上面例句）。也有 时，并不用逗号隔开。e.g. You know that I think you are wrong.我认
24、为，你明白你错了。What on earth do you mean?你究竟是什么意思？（三）插入语在句中的作用一般来说，插入语在句中不起主要作用。如果把插入语抽去，句子的含义不大受影响。但是， 有的插入语却是句子不可缺少的一部分。e.g. He got the news from nobody knows where他这消息谁也不知道是从哪儿得来的。（四）插入语的特殊用法下面这种复杂的特殊疑问句，也可认为包含有“插入语”。这种疑问句（有的语法书也称为 “混合疑问句”或“连锁疑问句”）常用来征询对方对某一疑问点的看法、判断、认识、猜度或 请求对方重复一遍说过的话。口语中出现频率极高。常用动词有
25、say, suppose, guess, believe, consider, think, imagine 等。e.g. How long did you say she would stay here?When do you suppose theyll be back?How old did you think she was（五）大纲中要求掌握的常用作插入语的词语by the way顺便说，顺便问一下；so far到目前为止；and so on等等;on the contrary相反； no wonder 不足为奇；as a matter of fact 事实上；come along
26、快点，来吧；in other words 换句话 说；as usual如同以往；as a result因此，结果。练习二、省略和插入语1 . Wont you have another try?.A. Yes, I will B. Yes, I wont C. Yes, I will have D. Yes, I wont have.I wont do it any more.?A. Why dont B. Why dont do it any more C. Why not D. Why not do 3.Do you think it will snow tomorrow?.A. No,
27、I dont thinkB. I dont thinkC. No, I dont soD. I dont think so.Will he fail in the exam?.A. Dont hope toB. Lets hope not C. Not hope soD. Lets hope not to.usual, I have forgotten something.D. That isD. WereD. WhenD. IfD. so likesC. who isD. althoughNo, and I.C. dont want to be D. dontNo, but.A. thisB
28、. heC. itD. the oneA. AsB. As it isC. Ifs.she a man, she might be elected president.A. IfB. UnlessC. Was7.I had time, I would have played it again.A. IfB. UnlessC. Had8.it rain tomorrow, Id stay at home.A. ShouldB. WouldC. Whenlike sports and my brother.A. soB. so doesC. so is. Francis,born in Kentu
29、cky, lived and practised law in Missouri.A. wasB. He was.Arent you the manager?A. dont want B. dont want to.Have you fed the dog?A. I amB. Im just going to C. Im D. Tm just going. Your performance in the driving test didnt reach the required standard（标准） 一 , you failed.A. in the end B. after all C.
30、in other words D. at the same time. How long she would stay here?A. did she sayB. she said C. didD. /.could do such thing?A. Whom do you think B. Who do you think C. Do you think whom D. Did you think who练习三、综合训练1. John was ill. Have you heard about?2. Hurry up!getting darker and darker.A. The sky i
31、sB. ItsC. Weather is D. Time isIts the third time I have been here.A. thatB. whenC. afterD. whoIt was simply fbr that reason I wouldnt tell him the truth.D. thatD. in whichA. whyB. whichC. soWas it in the place the last emperor died?A. whereB. thatC. which6.is no difference between A and B.A. ItB. W
32、hereC. ThereD. What7. It Mike and Mary who helped the old man several days ago.A. wasB. wereC. areD. had beenHe said, “a long way to school.a long way to go yet before we arrive.”A. It is, It is B. There is, There is C. There is, It is D. It is, There isdon5t like you speak to her.A. the way B. the
33、way in that C. the way which D. the way of whichIf you go to Xian, youll find the palaces there more magnificent than commonly.A. supposing B. suppose C. to suppose D. supposed11.is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD. ItIt was about 600 years a
34、go the first clock with a face and an hour hand was made.A. thatB. untilC. beforeD. when12. It was not until 1920 regular radio broadcast began.A. whileB. whichC. thatD. sinceA. Yes, sit down pleaseD. No, you cant take it13. Do you mind my taking this seat? B. No, of course not C. Yes, take it pleas
35、eril be away on a business trip. Would you mind looking after my cat? - Not at all.A. Tve no time B. Td rather not C. Td like itD. Td be happy toThe boy wanted to ride his bicycle in the street, but his mother told him.A. not toB. not to do C. not do itD. do not toIt was not until she came to see us
36、 her mother was ill in bed.A. when we knew B. that did we knewC. that we knew D. that did we knowThis store has such high prices.I agree. Never again here.A. I will shopB. will I shopC. I do shop D. shop Iwas his kindness that everyone praised him.A. ItB. WhatC. SoD. Suchhe would have passed the exa
37、m.A. If he were to study B. If he studied hard C. Had he studied hard D. Should he study hard21.David has made great progress recently. , and. A. So he has, so have youB. So he has, so you have C. So has he, so have youD. So has he, so you have22. No sooner they rushed out into the street.A. did the
38、y hear the news than8. did they hear the news when C. had they heard the news than D. had they heard the news when 23. He was unable to make such progress,.A. hard as he tried B. as hard he tried C. hard he has tried D. tried hard as he参考答案语法复习五：强调句、It的用法、省略和插入语练习一、1 5 CBADB 610 ADADC 11-15 DBDBA 1618 CBA练习二、1 5 ACDBA 610 DCABD 11-15 CBCAB练习三、1 5 CBADB 610 CADAD 11-15 DACBD 1620 ACBDC 21 23 ACA