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英语语法强调句知识点
漫长的学习生涯中，不管我们学什么，都需要掌握一些知识点，知识点是指某个模块知识的重点、核心内容、关键部分。相信很多人都在为知识点发愁，下面是小编精心整理的英语语法强调句知识点，希望对大家有所帮助。
英语语法强调句知识点：有关强调结构的几类重要考点
强调句型的基本结构是“It+be+被强调成分+that (who)…”。如：
He bought the book in this shop yesterday.
→It was he that bought the book in this shop yesterday. (强调主语he)
→It was the book that he bought in this shop yesterday. (强调宾语the book)
→It was in this shop that he bought the book yesterday. (强调地点状语in this shop)
综观近几年的语法考题，我们发现对强调句型的考查主要集中在以下几个方面：
一、考查强调句的基本形式
这类考题主要涉及被强调成分为介词短语的情形。如：
It’s in the park that Jack met your sister yesterday.
杰克昨天是在公园与你的姐姐见面的。
It is on political questions that their views are different.
他们在政治问题上见解不同。
【真题实例】
1. —Where did you get to know her?
—It was on the farm _________ we worked.
A. that B. there C. which D. where
2. David said that it was because of his strong interest in literature _________ he chose the course.
A. that B. what C. why D. how
(答案分别为DA)
二、考查强调句的特殊疑问句形式
强调句型的陈述句形式和一般疑问句形式一般还好理解，但若以特殊疑问句形式出现，则很容易误解。比较：
Jim told us the news.(非强调句)
→It was Jim that told us the news.(强调句型的陈述句形式)
→Was it Jim that told us the news.(强调句型的一般疑问句形式)
→Who was it that told us the news.(强调句型的特殊疑问句形式)
特殊疑问句形式的强调句可视为对陈述句强调中的被强调成分提问得来，如对It was yesterday that he arrived. 这一句中的yesterday提问，即得到When was it that he arrived? 请再看以下例子：
How long ago is it that you last saw her? 你上一次看见她是多久以前的事?
Why is it that I always land up cleaning the bath? 为什么总是该我来洗刷浴缸?
Who was it that won the World Cup in 1982? 谁赢得了1982年的世界杯?
【真题实例】 (答案分别为DCA)
1. I just wonder _________ that makes him so excited.
A. why it does B. what he does C. how it is D. what it is
2.— _________ that he manage to get the information.
—Oh, a friend of his helped him.
A. Where was it B. What was it C. How was it D. Why was it
3. Why! I have nothing to confess. _________ you want me to say?
A. What is it that B. What it is that C. How is it that D. How it is that
三、考查被强调成分为从句的情形
如果被强调成分为一个词或一个词组还比较好理解，但如果被强调的是一个从句，则比较容易出错。如：
It was after he got married that he got to know Mary.
他是在结婚之后才认识玛丽的。
It was not what he he said but how he behaved that made us angry.
使我们生气的不是他说的话，而是他做的样子。
【真题实例】 (答案分别为CAAA)
1. It is not who is right but what is right _________ is of importance.
A. which B. it C. that D. this
2. I don’t mind her criticizing me, but _________ is how she does it that I object to.
A. it B. that C. this D. which
3. It was after he got what he had desired _________ he realized it was not so important.
A. that B. when C. since D. as
4. It is what you do rather than what you way _________ matters.
A. that B. what C. which D. this
朋友说话的时候它在这儿吗?
四、考查not...until句式的强调结构
其基本形式为It is (was) not until…that…。比较：
He didnt come until his wife left. 他妻子走了之后他才来。
→It was not until his wife left that he came. 他妻子走了之后他才来。
They didnt start until the rain stopped. 直到雨停他们才出发。
→It was not until the rain stopped that they started. 直到雨停他们才出发。
注：这类句型不用倒装语序，但若改成Not until…，则要用倒装。如：
Not until his wife left did he come. 他妻子走了之后他才来。
Not until the rain stopped did they start. 直到雨停他们才出发。
【真题实例】 (答案分别为DBD)
1. It _________ we had stayed together for a couple of weeks _________ I found we had a lot in common.
A. was until; when B. was until; that C. wasn’t until; when D. wasn’t until; that
2. It was not until she got home _________ Jennifer realized she had lost her keys.
A. when B. that C. where D. before
3. It wasn’t until nearly a month later _________ I received the manager’s reply.
A. since B. when C. as D. that
五、考查强调句与非强调句的辨别
1. 设置陷阱，使考生将强调句误判为非强调句。如：
It might have been John _________ bought a present for Mary yesterday.
A. that B. when C. what D. which
【解析】答案选A，为强调句型，由于句中动词be采用了might have been这一复杂结构，所以许多同学们可能会看不出它是一个强调句型。
2. 设置陷阱，使考生将非强调句误判为强调句。如：
It was evening we reached the little town of Winchester.
A. that B. until C. since D. before
【解析】答案选D。有的考生一看到句首的it was，再联系到选项中的that，就以为这是考查强调句。其实错了。此题是考查连词before的用法。因为去掉It was…that这一结构后，原句不能成为一个完整的句子，所以这不是强调结构。句意是：我们还没有到达Winchester这个小镇，天就夜了。
英语语法强调句知识点：It is...that…句式通常不能强调哪些成分
有这样一道考题：
It was a teacher that she __________.
A. was B. seemed C. looked D. married
此题应选D。从句意上看似乎4个选项都行，其实这里只能填D。因为填A，B，C 中的任意一个选项，都会导致句中的 a teacher成为表语，然而按照强调句句法规则，It is...that这一强调句型是不能强调表语的。一般说来，以下成分不能用于强调句中的被强调部分：
1. 表语：
她很美。
正：She is beautiful.
误：It is beautiful she is.
他是医生。
正：He is a doctor.
误：It is a doctor that he is.
但是宾语补足语却可以用作被强调部分：
他们选他担任主席。
正：They elected him chairman.
正：It was chairman that they elected him.
2. since 和 as 引导的原因状语从句(但 because 从句却可以)：
他不能来是因为他病了。
正：It is because he is ill that he can’t come.
误：It is since[as] he’s ill that he can’t come.
3. although 引导的让步状语从句：
虽然累了，但他还是去了。
正：He went although he was tired.
误：It was although he was tired that he went.
英语语法强调句知识点：当心假强调句考点
【导语】英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。为大家整理了英语语法大全，希望对同学们的英语语法学习有所帮助。
有这样一道题，它是考查强调句吗?
It was 9 o’clock __________ he came back last night.
A. that B. when C. since D. this
此题应选 B。容易误选 A，误认为这是强调句型。假若这里填 that，构成强调句型，那么被强调的 9 o’clock 是什么成分呢(注意它不能作状语)?但是若在 9 o’clock 前加一个介词(at，after，before等)，则可以填 that 构成强调句。
试比较：
It was at ten o’clock that he came back. 他回来时是10点钟。
It was after ten o’clock that he came back. 他是在10点过后回来的。
It was before ten o’clock that he came back. 他是在10点前回来的。
以上分析告诉我们，上题填 that 不对 (除非 9 o’clock前有介词)。那么填 when 又作何解释呢? 本题填 when，全句构成主从复合句，其中的when引导时间状语从句(意为“当……的时候”)，全句意为：当他回来时，时间是晚上9点。
再请比较：
1. a. It is autumn when leaves fall. 当树叶落的时 候就是秋天了。
b. It is in autumn that leaves fall. 树在秋天落 叶。
2. a. It was lunchtime when he called. 当他来访时，已是吃中饭的时候。
b. It was at lunchtime that he called. 他是在吃 中饭的时候来访的。
强调句的概念：
强调句 (The Emphatic Pattern) 是一种修辞，是人们为了表达自己的意愿或情感而使用的一种形式。通过各种方式对句子中的某个部分进行强调，从而起到修辞的作用。英语常用的强调结构有：It is (was)+被强调部分(主语、宾语或状语)+that/who...；what…be…句型；
强调句的使用:
一、强调句句型：
1、用It is／was...that／who...句型表示强调。
（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?
注：被强调的部分（通常是句子的主语、状语、宾语或宾语补足语）放在is／was的后面，如被强调的是人，则后面可用who，whom等代替。
如：原句：He met an old friendin the park yesterday.
强调主语：It was he who/that met an old friendin the park yesterday.
强调宾语：It was an old friendthat/who he met in the park yesterday.
强调地点状语：It was in the park that he met an old friendyesterday.
强调时间状语：It was yesterday that he met an old friendin the park.
2、用助动词do, does或did来强调谓语动词。
如：Do come early.
He did sendyou a letter last week.
Were pleased that she does intendto come.
3、用主语从句+be+被强调部分，主语从句常用what引导。
如：What John wants is a ball.
What Mary does every day is(to) give piano lessons.
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 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。
使用强调句型有以下几点请注意：
①强调句的谓语is或was永远用单数。
如：It was yesterday that I met your father in the street.
②不管被强调部分是哪种状语，只能用that连接，不得使用where、when等连词。
如：It was in the street that I met your father yesterday.
③被强调部分为人时，可用who(主格或宾格)和whom(宾格)代替that，用that也行。
如：It was your father that/whom/who I met in the street yesterday.
It was I that/who met your father in the street yesterday.
④强调句中也要注意主谓一致、人称一致和否定转移的问题。
如：It is they who are our friends.
It was not until ten oclock that we got home last night.
⑤注意不要混淆强调句和其他从句。It is/was...that...为强调句标志，去掉后仍可组成一个完整的句子，只是没被强调，而其他从句一般不具备这一特征。
比较：1）It was ten oclock when we got home last night. 我们昨晚到家时已十点了。
2）It was at ten oclock that we got home last night. 我们昨晚是在十点到家的。
第一句不是强调句，when不可改为that，因为去掉it was和that后，只能组成“We got home ten oclock last night.”这样一个不完整的句子；第二句是强调句，that不可改为when。
强调句型用法拓展：
1、句首词用“It”，不能用“This”，“That”等。
2、be动词的形式是is或was，不能用复数形式are或were。若原句的谓语动词用了现在时或将来时，则用is；
若原句的谓语动词用了过去时或过去完成时，则用was。
如：It___the Chinese women that___a great role in the socialist construction.
A. is; plays
B. are; play
C .is; play
D. are; plays
答案：C
3、被强调的部分如果是代词，强调主语用主格，强调宾语用宾格。
如：It is him that/who/whom I met in the street yesterday.
It is I who/that am wrong.
4、连接词一般用that，当强调部分是人时，既可用that也可用who。特别注意当强调部分是时间状语或地点状语时，不能用when或where。
如：It was on Oct1st, 1949 that Peoples Republic of China was founded.
It was at the gate____he told me the news.
A. that
B. what
C. which
D. when
答案：A
5、主谓一致问题被强调的主语要和that后面的谓语动词在数上保持一致。
如：It is Mary who often _____(help) me with my English. （helps）
It is I that ____(be) against you. （am）
6、not...until结构的强调。
强调“not...until”引导的时间状语时，要用“it is/was not until...that...”结构，that后面的句子要用肯定式，且须用陈述句语序。
如：We did not get off the bus until it stopped. ?
It was not until it stopped that we got off the bus. (注意：强调该结构时not until不能分开)
英语语法强调句的易错点
一、关于结构中的that
此结构中，除强调的是作主语或宾语的人时可以用who外，其它任何情况都只能用that。如：
It was Kate that/who told me about it. 是凯特告诉那件事的。
It was yesterday afternoon that she told me about it. 是昨天下午她把那件事告诉我的。(that不能用when替代)
二、关于结构中be的形式
原句中谓语动词是过去式，强调结构的be用is，原句谓语动词是现在时或将来时，强调结构的be用was。如：
It is he that likes playing games. 是他喜欢打游戏。
It is tomorrow that we will have a meeting. 是明天我们要开会。
注：be有时与表示推测的情态动词连用。如：
It must be John that/who cleaned the room. 一定是约翰打扫房间的。
三、关于主谓一致问题
被强调的是原句的主语时，要注意that/who后的谓语动词与原句主语一致。如：
It is I that am in trouble. 是我陷入了困境。
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