第9讲 强调句
在课堂教学中，英语教师都按照下面的句型去施教。即：It is / was …that /who…用来强调一个句子中除谓语以外的任何句子成分。例如：
I bought this car in that shop last month.(原始句)
It was I who/that bought this car in that shop last month. (强调主语)
It was this car that I bought in that shop last month.(强调宾语)
It was in that shop that I bought this car last month.(强调地点状语)
It was last month that I bought this car in that shop.(强调时间状语)
就这样，再举几个例子，让学生练练，该语法讲解到此结束。可是，高考并不单纯考查这样一些基本的句式，下面几点还有待于老师去延伸讲解。
先请看下面的两个句子：
(1) It is on this arable land that the farmers produce food for the whole population of China.
(2) It was from the early 1990s that scientists started to develop new techniques to increase agricultural production without harming the environment.
以上两个句子都是It is(was)…that…结构引导的强调句，在该句型中it没有任何意义，常用来强调主语、宾语、状语等。考查时常把被强调部分结构复杂化，即名词或代词后常跟有定语从句、动词不定式或同位语对名词起修饰，补充说明，同学们常把它和其它相似结构混淆，难以掌握。近几年的高考对强调句的考查常从以下几个方面进行，现归纳如下，希望同学们能突破这个难点。
一、强调句子主语
句子主语结构设置复杂，有跟不定式作定语的，有跟定语从句作定语的，还有用主语从句、并列结构或同位语结构的，这些会干扰同学们的解题思维，但只要我们抓住了句子的主干，问题也就迎刃而解了。如：
It was what he did that made his parents upset.
It is I who am responsible for this case.
注意：强调某人时，可以用who代替that, that(who)后部分的谓语动词要和被强调部分的主语部分在语法上保持一致。
【真题回顾1】It is what you do rather than what you say _______ matters. （2005天津）
A. that B. what C. which D. this
解析：题意是“是你所做的而不是你所说的起作用”，强调句子主语，主语是并列连词rather than 连接的两个主语从句充当，故选A。
二、强调句子中的时间、地点、方式等状语
这些状语可以是状语从句，介词短语，或介词短语中的名词后再跟有定语从句等。如：
It was because it was raining hard that I was late for school.
It was with great joy that she accepted the birthday gift I bought for her.
【真题回顾2】 It was with great joy________ he received the news that his lost daughter had been found. （2004福建）
A．because B．which C．since D．that
解析：强调作方式状语的介词短语，故选D。
如果对not…until句型进行强调时，常将not和until短语或引导的时间从句放在一起，置于It is(was)…that之间,其后部分用肯定形式，如：
It was not until yesterday that I knew this.
【真题回顾3】 It wasn’t until nearly a month later I received the manager’s reply. （2005全国卷一二）
A．since B．when C．as D．that
解析：句意是“直到近一个月后我才得到经理的答复。”强调not…until句型，要将not提前，和until一起放到被强调的位置。故选D。
注意：强调时间状语和地点状语时，不用when和where。
三、强调句的一般问句和特殊问句
一般问句形式是：Is/Was it + 被强调部分+that/who+句子其他成分？如:
Was it during the Second World War that his grandfather died?
特殊问句形式是：特殊疑问词 + is/was +that/who + 句子其他成分？如：
When is it that the school sports meeting will be held?
【真题回顾4】—___________that he managed to get the information? （2005山东）
—Oh, a friend of his helped him.
A. Where was it B. What was it C. How was it D. Why was it
解析：根据下文的答语 a friend of his helped him可知上文是强调方式状语。故选C。
四、强调句和其他相似句型的区别
区分强调句和定语从句的方法是将It is /was…that/who去掉，句子成分完整，则是强调句，反之则是其他从句。
（一）强调句与定语从句
It was in the hall that we held the English party. （强调句，去掉it was…that后，句子成分仍完整：We held the English party in the hall.）
It was the hall where (in which) we held the English party. (定语从句)
（二）强调句与时间状语从句
It was four o’clock in the afternoon when they arrived at the museum. (when 引导时间状语从句)
It was at four o’clock in the afternoon that they arrived at the museum. (强调句)
【真题回顾5】— Did Jack come back early last night? （2005福建）
— Yes. It was not yet eight o’clock________ he arrived home.
A．before B．when C．that D．until
解析：句意是“他到家时还不8点钟”，故是时间状语从句，而不是强调句，选B。
五、特殊的强调句型
英语中对谓语动词的强调一般是强调一般过去时或一般现在时的句子，方式是在谓语动词前加上相应时态的助动词do, does,或did，用于加强句子的语气，其后动词用原形。也可以在祈使句句首加助动词do表示强调。如：
I do believe you.
Do be careful.

强调句、It的用法、省略和插入语
一、强调句
（一）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 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 … 。
（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 didn’t go 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 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
（一）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代替后面的air）
They say he has left town, but I don’t 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, Peter. ---- Who is it? ---- It’s 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one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 Zhang’s. 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’s 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 + 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，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 that they will support you.（因为介词on之后一般不直接接that引导的宾语从句。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 can’t find ____ anywhere.
A. one B. ones C. it D. that
2. ---- Who’s that? ---- ____ Professor Li.
A. That’s B. It’s C. He’s D. This’s
3. ____ was Jane that I saw in the library this morning.
A. It B. He C. She D. That
4. ---- Have you ever seen a whale alive? ---- Yes, I’ve seen ____.
A. that B. it C. such D. one
5. The color of my coat is different from ____ of yours.
A. this B. that C. it D. one
6. ____ will do you good to do some exercise every morning.
A. It B. There C. Those D. You
7. We think ____ our duty to pay taxes to our government.
A. that B. this C. its D. it
8. The climate of Shanghai is better than ____ of Nanjing.
A. that B. it C. which D. what
9. ____ four years since I joined the Army.
A. There was B. There is C. It was D. It is
10. How long ____ to finish the work?
A. you’ll take B. you’ll take it C. will it take you D. will take you
11. It was through Xiao Li ____ I got to know Xiao Wang.
A. who B. whom C. how D. that
12. It was in the rice fields ____ we had our league meeting.
A. where B. that C. in which D. on which
13. It was on October 1st ____ new China was founded.
A. which B. when C. as D. that
14. Was it because he was ill ____ he asked for leave?
A. and B. that C. that’s D. so
15. Mary speaks in a low voice; ____ is difficult to know what she is saying.
A. it B. that C. so D. she
16. It was ____ I met Mr Green in Shanghai.
A. many years that B. many years before C. many years ago that D. many years when
17. ____ is not everybody ____ can draw so well.
A. It, all B. It, that C. There, who D. There, that
18. So ____ that no fish can live in it.
A. shallow is the lake B. the lake is shallow C. shallow the lake is D. is the lake shallow

三、省略
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：
（一）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）
(I) see you tomorrow. (It) Doesn’t 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 say hello to him?
3、省略作宾语的不定式短语，只保留to。
e.g. ---- Are you going there? ---- I’d 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 hasn’t finished the task yet. ---- Well, he ought to have.
4、省略表语。
e.g. ---- Are you thirsty? ---- Yes, I am (thirsty).
5、同时省略几个成分。
e.g. Let’s 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 (studies) at high school.
（三）主从复合句中的省略
1、主句中有一些成分被省略。
e.g. (I’m) 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。
e.g. ---- Is he coming back tonight? ---- I think so.
---- Is he feeling better today? ---- I’m afraid not.
这种用法常见的有：How so? Why so? Is that so? I hope so. He said so 及I suppose not. I believed not. I hope not等。（但I don’t think so比I think not更常用）。
（四）其它省略
1、连词that的省略：
①、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）。
②、在定语从句中，that在从句中作宾语时可省略。
③、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
①、并列的不定式可省去后面的to。
e.g. I told him to sit down and wait for a moment.
②、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.
③、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 + be”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).
四、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”。
（一）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, though. 他看起来倒是健康。
I can, however, 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, isn’t clever.
（二）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say, suppose, guess, believe, consider, think, imagine 等。
e.g. How long did you say she would stay here?
When do you suppose they’ll 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 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. ---- Won’t you have another try? ---- ____.
A. Yes, I will B. Yes, I won’t C. Yes, I will have D. Yes, I won’t have
2. ---- I won’t do it any more. ---- ____?
A. Why don’t B. Why don’t do it any more C. Why not D. Why not do
3. ---- Do you think it will snow tomorrow? ---- ____.
A. No, I don’t think B. I don’t think C. No, I don’t so D. I don’t think so
4. ---- Will he fail in the exam? ---- ____.
A. Don’t hope to B. Let’s hope not C. Not hope so D. Let’s hope not to
5. ____ usual, I have forgotten something.
A. As B. As it is C. It’s D. That is
6. ____ she a man, she might be elected president.
A. If B. Unless C. Was D. Were
7. ____ I had time, I would have played it again.
A. If B. Unless C. Had D. When
8. ____ it rain tomorrow, I’d stay at home.
A. Should B. Would C. When D. If
9. I like sports and ____ my brother.
A. so B. so does C. so is D. so likes
10. Francis, ____ born in Kentucky, lived and practised law in Missouri.
A. was B. He was C. who is D. although
11. ---- Aren’t you the manager? ---- No, and I ____.
A. don’t want B. don’t want to C. don’t want to be D. don’t
12. ---- Have you fed the dog? ---- No, but ____.
A. I am B. I’m just going to C. I’m D. I’m just going
13. Your performance in the driving test didn’t reach the required standard（标准） — ____, you failed.
A. in the end B. after all C. in other words D. at the same time
14. How long ____ she would stay here?
A. did she say B. she said C. did D. /
15. ____ 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 ____?
A. this B. he C. it D. the one
2. Hurry up! ____ getting darker and darker.
A. The sky is B. It’s C. Weather is D. Time is
3. It’s the third time ____ I have been here.
A. that B. when C. after D. who
4. It was simply for that reason ____ I wouldn’t tell him the truth.
A. why B. which C. so D. that
5. Was it in the place ____ the last emperor died?
A. where B. that C. which D. in which
6. ____ is no difference between A and B.
A. It B. Where C. There D. What
7. It ____ Mike and Mary who helped the old man several days ago.
A. was B. were C. are D. had been
8. He 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 is
9. I don’t like ____ you speak to her.
A. the way B. the way in that C. the way which D. the way of which
10. If you go to Xi’an, you’ll find the palaces there more magnificent than commonly ____.
A. supposing B. suppose C. to suppose D. supposed
11. ____ is a fact that English is being accepted as an international language.
A. There B. This C. That D. It
12. It was about 600 years ago ____ the first clock with a face and an hour hand was made.
A. that B. until C. before D. when
13. It was not until 1920 ____ regular radio broadcast began.
A. while B. which C. that D. since
14. ---- Do you mind my taking this seat? ---- ____. A. Yes, sit down please B. No, of course not C. Yes, take it please D. No, you can’t take it
15. ---- I’ll be away on a business trip. Would you mind looking after my cat? --- Not at all. ____.
A. I’ve no time B. I’d rather not C. I’d like it D. I’d be happy to
16. The boy wanted to ride his bicycle in the street, but his mother told him _____.
A. not to B. not to do C. not do it D. do not to
17. It was not until she came to see us ____ her mother was ill in bed.
A. when we knew B. that did we knew C. that we knew D. that did we know
18. ---- This store has such high prices. ---- I agree. Never again ____ here.
A. I will shop B. will I shop C. I do shop D. shop I
19. ____ was his kindness that everyone praised him.
A. It B. What C. So D. Such
20. ____, he would have passed the exam.
A. If he were to study B. If he studied hard C. Had he studied hard D. Should he study hard
21. ---- David has made great progress recently. ---- ____, and ____. A. So he has, so have you B. So he has, so you have C. So has he, so have you D. So has he, so you have
22. No sooner ____ they rushed out into the street. A. did they hear the news than
B. 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
Keys: 练习一、1~5 CBADB 6~10 ADADC 11~15 DBDBA 16~18 CBA
练习二、1~5 ACDBA 6~10 DCABD 11~15 CBCAB
练习三、1~5 CBADB 6~10 CADAD 11~15 DACBD 16~20 ACBDC 21~23 ACA