(完整版)高中英语强调句型专题讲解
(完整版)强调句型讲解及练习
强调句型讲解和练习一、定义强调就是使句子的某一部分比一般情况下显得更加重要。
英语表达中，要强调句子的某一成分，一般可用强调句型“It is (was) +that (who) + 句子的其余部分”。
It 在句中无意义，只起引出被强调部分的作用。
被强调的部分指人时，除可用that外，还可换用who (强调宾语指人时也可用whom )。
使用强调句型时，应注意以下事项：1去掉强调结构It is (was) …that(wh后，剩下的词仍能组成一个完整的句子。
这是判断是不是强调句型的关键。
试比较：1. It is strange that he didn 't come yesterday.2. It is you and Tom that didn 't come yesterday.显然，句1去掉It is…that后;•句子结构不完整，是主语从句；句2去掉It is …that后;••句子变为you and Tom didn' t come yesterday仍是一个表意完整的句子，这是一个强调句。
再如：1. It is what you do rather than what you say __ matters.A. thatB. whatC. whichD. this答案 A 。
这是一个强调主语的强调句型; 去掉强调结构; 剩下的是What you do rather than what you say matters. 表意完整。
2. That was really a splendid evening. It ' s years __ I enjoyed mmysueclhf .soA. whenB. thatC. beforeD. since答案D。
由强调句型的判断方法可知，该句不是强调句型。
It指时间，句意为：好几年我没有这么高兴了。
since 的意思是“自从那个时候起”。
高考英语考点详解——强调句型
高考英语考点详解——强调句型1、强调句的构成:It is/was +被强调的成分+ that +其它成分2、关于“被强调成分”⑴“被强调的成分”最常见的是句子的主语、宾语、状语，特殊情况下也可能是宾语补足语、表语等成分。
如：My father met with an old friend of his [in the street] [yesterday].→ It was my father that/who met with an old friend of his in the street yesterday.（主语）→ It was an old friend of his (that/whom) my father met with in the street yesterday.（宾语）→ It was in the street that my father met with an old friend of his yesterday.（地点状语）→ It was yesterday that my father met with an old friend of his in the street.（时间状语）⑵“被强调的成分”通常不能是表语、谓语动词、though/although引导的让步状语从句或whereas引导的从属分句等。
但是，如果当系动词不是be,且表语部分是名词性词组时，强调句也可以强调表语。
如：①The picture is wonderful.→It is wonderful that the picture is. (×)②He becomes head of the department now.→It is head of the department that he becomes now. (√)⑶“被强调的成分”是原因状语从句时，只能强调由because引导，而不能强调由since/as/why等引导的原因状语从句。
完整)高考英语强调句讲解及考试
完整)高考英语强调句讲解及考试中的谓语动词要改为肯定形式。
原句：I didn't realize the importance of time until I failed the exam.强调句：It was not until I failed the exam that I realized the XXX.强调句型是英语中常用的一种表达方式，它通过强调句子中的某一部分来突出其重要性。
强调句型的基本结构是Itis/was +被强调部分+that/who+句子的其余部分。
连接词的选择要根据被强调部分的性质来确定，如人用who或that，宾语指人时也可用whom，物只能用that。
时态方面，现在时用It is，过去时用It was。
有时可以使用情态动词来表示推测。
在强调含有not until的句子时，not要放在until从句前，主句中的谓语动词要改为肯定形式。
It wasn't until he finished his work that he finally went home.XXX.To form an XXX。
the word order of a regular n is used with the n of the word "it." For example。
"Was it you who broke the window?" or "Was it during the war that he lost his son?"When XXX word。
the structure is "n word + is/was + it + that。
" For example。
"Where was it that you were born?" or "What was it that you wanted to see?"XXX element is the subject。
高中英语高考语法知识讲解(强调句+虚拟句+倒装句)
高考英语语法知识讲解一、强调句【定义】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。
例句：It was Lily who broke the cup. 是丽丽打碎了杯子。
【分类】1.使用强调句型表示强调It is/was +被强调部分+that/who+其他例句：It was her who I saw yesterday.我昨天看到的是她。
Is/Was it +被强调部分+that/who+其他例句：Was it her who I saw yesterday？我昨天看到的是她吗？被强调部分（通常是疑问代词或疑问副词）+is/was+it+that/who+其他？例句：when and where was it that you were born?你什么时候出生的？出生在哪里？It is/was not until+被强调部分+that+其他例句：It was not until his mother came back that the boy went to bed.直到他妈妈回来，男孩才肯上床睡觉。
2.使用一个单词表示强调do/does/did+动词前可表示强调例句：I do complete my tasks.我真的完成了我的任务。
never/only/very/mere /perfect可表示强调例句：This is a very question that deserves careful analysis.这真是一个值得仔细分析的问题。
二、虚拟句【定义】虚拟语气表示说话人的主观愿望、猜疑、建议或与事实不符的假设等，而不表示客观存在的事实。
虚拟语气是由句中的谓语动词的特殊形式表示出来的。
例句：If I were a bird, I would be able to fly in the air.如果我是鸟，我就能在空中飞行。
【分类】1.虚拟条件句条件从句与现在事实不一致，其句型为：If ＋主语＋过去时，主语＋ should (could, would, 或might) ＋动词原形例句：If I were you, I would try.如果我是你，我会试一试。
高中英语语法基础 强调句型知识点归纳讲解(附同步练习)(有答案)
高中英语语法基础——强调句型知识点归纳讲解（附同步练习）在高中英语中，强调句是重点句型，也是难点句型，更是考试中的高频句型。
作为英语语言表达中一种句型，强调句的使用，目的在于通过强调主语、宾语或者是状语某个部分，来强化表述自己对一句话中某一个点（时间、地点、人物、事件等方面）的情感，态度和意愿。
强调句属于主从复合句，但强调部分只强调句子的某一个成分。
英语中常用的强调结构有：It is (was)+被强调部分(主语、宾语或状语)+that/who...（陈述句）；疑问词what/how/why…+be it that…句型（疑问句）；It was not until… + that…句型。
一）、陈述句强调句型（1）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）+从句。
如：原句：Mary did the experiment in the lab yesterday evening.强调主语：It was Mary who did the experiment in the lab yesterday evening.强调宾语：It was the experiment that Mary did in the lab yesterday evening.强调时间：It was yesterday evening that Mary did the experiment in the lab. (注意不用when)强调地点：It was in the lab that Mary did the experiment yesterday evening. (注意不用where)（2）强调谓语动词时，用助动词do/does或did。
如：Do remember to get up early tomorrow, or we will miss the train.Do be careful when you cross the street.He did write to you last week.Mr.White, I did hand in my homework to you this morning.二）、疑问句强调句型1、一般疑问句的强调句型：形式上只需将is / was提前，即：Is / Was+ it+被强调部分+that / who+从句? 如：Was it your brother that made you get hurt?Was it in Beihai Park that they made a date for the first time?2、特殊疑问句的强调句型：被强调部分（通常是疑问词Who / When / What / How / Where / Why...）+is / was+it+that+从句？如：原句：How did he come here ? 强调句：How was it that he came here ?原句：Why did he came late ? 强调句：Why was it that he came late ?原句：When / Where did you met your girlfriend for the first time ?强调句：When and where was it that you met your girlfriend for the first time ?三）、not...until...强调句型1、句型为：It is/was not until+被强调部分+that+从句。
高中英语2023高考强调句专题复习(强调成分+考点分析)
高考英语强调句一、强调的成分强调结构是：It +is/was+被强调成分+that+句子的剩余部分。
如果我们要强调一个句子的某个部分时，就将要强调的那个部分放在it is/was与that之间，而句子的其余部分原封不动地直接放在that之后。
此结构可强调除谓语动词外的各种成分。
(1) 强调主语It was he that saw Mr.Wang on TV yesterday.是他在电视上看到了王先生。
(2) 强调宾语It was Mr.Wang that he saw on TV yesterday.他昨天在电视上看到的是王先生。
(3) 强调补语It is green that he has pained the door.他把门漆成绿色了。
(4) 强调表语It is a doctor that he has become.他已成为一名教师了。
(5) 强调地点状语It was on TV that he saw Mr.Wang yesterday.他昨天是在电视上看到王先生的。
(6) 强调时间状语It was yesterday that he saw Mr.Wang on TV.是昨天他在电视看到王先生。
(7) 强调方式状语It was by bike that we went to the park.我们是骑自行车去公园的。
(8) 强调各类从句It was what he said that surprised me.是他讲的话让我吃谅。
It is because the book is so useful for my work that I bought it.正因为这本书对我很有用，我才买它。
It was just as he ordered that she acteD.她正是照他吩咐的去做的。
(9) 强调not…until…中的时间状语It was not until 12 o’clock that he went to beD.直到12点他才睡。
高中语法专题解析强调句的结构意义和使用方法
高中语法专题解析强调句的结构意义和使用方法强调句是英语语法中的一个重要概念。
它用来突出一个句子中的某个成分或者某个细节，从而使句子的意思更加明确和强调。
在本文中，我将详细介绍强调句的结构、意义以及使用方法。
一、强调句的结构强调句的结构相对简单，通常由两部分组成：强调副词或者强调短语以及助动词do或did。
强调句的结构可以分为以下几种情况：1. 当强调句中的强调副词或者强调短语用于强调句中的动词时，强调句的结构为：“It is + 强调副词/强调短语 + that/who + 动词 + 其他成分”。
例如：- It is John who broke the window.（是约翰打破了窗户。
）- It was yesterday that I met her.（是昨天我遇见了她。
）2. 当强调句中的强调副词或者强调短语用于强调句中的名词时，强调句的结构为：“It is + 强调副词/强调短语 + that/who + 动词 + 其他成分”。
例如：- It is this book that I want to borrow.（是这本书我想借。
）- It was my father who gave me the gift.（是我爸爸给了我礼物。
）3. 当强调句中的强调副词或者强调短语用于强调句中的形容词或副词时，强调句的结构为：“It + is + 形容词/副词 + that + 动词 + 其他成分”。
例如：- It is so hot that we can't go outside.（天气太热了，我们不能出去。
）- It was very loud that I couldn't hear him.（声音很大，我听不见他。
）二、强调句的意义强调句的使用可以使句子的意思更加明确和强调。
它在交流中的作用非常重要，可以帮助说话者突出某个特定的信息，使得对方注意到这个信息并理解说话者的意图。
(完整)高中英语强调句型详解及答案
强调句型1. 用It is／was…that／who…句型表示强调。
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。
He met an old friend in the park yesterday.强调主语：强调宾语：强调时间状语：强调地点状语：（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. He did write to you last week. 上周他确实给你写了信。
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。
（四）疑问句的强调结构：一般疑问句：Is / Was + it + that +句子的其他部分（陈述语序）。
简单的答语为：“Yes,it is/was.”或“No,it isn’t/wasn’t.”(1)----Was____that I saw last night at the concert?(Shanghai'97)---- No, it wasn’t.A. it youB. not youC. youD. that yourself(2)----"Wasn't it Dr Wang who spoke to you just now?-----_______. (Shanghai'96)A. I didn't know he was.B.Yes, it was.C. No, he wasn't.D.Yes, he did.(3) Was it in 1969 ________ the American astronaut succeeded ________ landing on the moon?(Shanghai'95)A. when ;onB. that; onC. when; inD. that ; in（五）特殊疑问句：特殊疑问词+ is / was + it + that +句子的其他部分（陈述语序）。
高中英语语法强调结构讲解
高中英语语法强调结构讲解英语的强调主要有两种：一是强调非谓语（包括主语、宾语、状语等）；二是强调谓语动词。
一、强调非谓语其基本句型是：“It + is/was + 被强调的成分＋that/who + 其她成分”。
It 没有实意，只起语法作用，引导被强调的部分。
当被强调的是人时，可用who(m)/that, 其他情况用that。
例如：It was I who/that met Jack yesterday. 是我昨天碰到了Jack.（强调主语）It was Jack that/whom I met yesterday. 我昨天碰到的是Jack。
（强调宾语）It was yesterday that I met Jack. 是昨天我碰到了Jack.（强调时间状语）这几句话复原为非强调句就是：I met Jack yesterday.It is people, not things, that are decisive. 决定的因素是人，不是物。
（强调主语）It is because the book is very important for my present job that I bought it. 是因为这本书对我目前的工作很有用，我才买了它。
（强调原因状语）It was in the supermarket that I gave the book to him. 是在那家超市里我给了他那本书。
（强调地点状语）1．强调主语：It was John who broke the window. 是John打破了窗子。
原句：John broke the window.It is this overpass that will be pulled down. 将被拆掉的是这个天桥。
原句：This overpass will be pulled down.It is the people who/that are really powerful. 真正有力量的是人民。
高中英语强调句解析
高中英语强调句解析强调句（一）强调句句型1、陈述句的强调句型：I t i s/ w as +被强调部分（通常是主语、宾语或状语）+ t hat/ w ho（强调主语且主语指人可以用w ho,当然也可以使用t hat）+其它部分。
强调句式只是把句子中某些词(被强调部分)改变位置,所以把强调结构(i t i s/w as... t hat/w ho)去掉之后,句子一定是完整的e.g.It w as y es t e rd ay t hat he me t Li Pi ng.2、一般疑问句的强调句型：同上，只是把i s/w as提到i t前面。
e.g.Was i t y e s te rd ay t hat he me t Li P i ng?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）+ i s/ w as +i t+ t hat/w ho +其它部分？e.g.Whe n and w he re w as i t t hat y ou w e re born?4、强调句例句：I me t Li Mi ng at t he rai l w ay st at i on y e st e rd ay.强调主语：I t w as I t hat(w ho)me t Li Mi ng at t he rai l w ay s t ati on y e s te rd ay.强调宾语：I t w as Li Mi ng t hat I me t at t he rai l w ay st at i on y e st e rd ay.强调地点状语：I t w as at t he rai l w ay s t at i on t hat I met Li Mi ng y e st e rd ay.强调时间状语：I t w as y e st e rd ay t hat I me t Li Mi ng at t he rai l w ay st at i on.5、注意：构成强调句的i t本身没有词义；强调句中的连接词一般只用t hat, w ho，即使在强调时间状语和地点状语时也如此，t hat, w ho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。
(完整版)高中英语强调句型专题讲解
强调句一、强调句的基本结构及用法强调句常用来突出说话人要强调的语言信息，给对方以强烈的印象和感受。
译成汉语时，常加上“正是”等字眼。
其基本结构是：It + be的适当形式+ 被强调成分+ that (who) + 其他成分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)【注意】1.在该强调结构中，It无任何意义但不可以换成this或者that等。
It is (was)…that (who)…为结构词，假如去掉，剩下部分在语法结构和句子含义上均完整，这一点正是它和定语从句等的本质区别。
2.关于that与who当被强调部分指人时，可以用who（被强调部分的人作主语或宾语时）或者whom（被强调部分的人作宾语时)代替that；当被强调部分指物时通常用that；当被强调部分既包括人又包括物，用that不用who.It was the things and people that they remembered that they were talking abo ut．当被强调部分是代词时，用who不用that。
当强调时间或地点或原因状语时，不能用when / where /why代替that(尤其是当这些状语为介词短语时)。
1）It was only when I reread his poems recently I began to appreciate their beauty.A. untilB. thatC. whenD. so2）It was in Qingdao I saw the sea for the first time.A. whatB. thatC. whenD. which3）It was because of bad weather the football match had to be put off.A. soB. so thatC. whyD. that如果被强调的成分有同位语，同位语也应提前。
(完整word版)高一强调句型讲解
强调句型讲解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）+ 其他部分。
例子 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。
例子 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 + 其他部分？例子 When and where was it that you were born?4.not … until … 句型的强调句A. 句型为：It is/ was not until + 被强调部分 + that + 其他部分普通句：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.B. 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。
5.谓语动词的强调A. 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didDo sit down. 务必请坐。
Do be careful when you cross the street. 过马路时，务必（千万）要小心啊！B. 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。
强调形式常见到的强调形式，共有以下七类：⒈用do\does\did + V可表强调Some people do believe that nuclear power poses a threat to the world peace.⒉adv或adj可表强调：Never \ only\ VeryThis is the very question that deserves careful analysis.⒊双重否定可表强调Taking part-time jobs is never without drawbacks.⒋what引导的主从可表强调What really matters is cooperation.⒌倒装可表强调(凡是倒装都可以表示强调)Little do people take into account the seriousness of this problem.⒍比较状语从句可表强调Nothing is more imperative than to learn from the past.⒎强调句型可表强调It is \was +被强调部份+ that \ who +原句剩余部份It is stability that destroys people’s ambition and barricades people’s steps.语法结构强调句的十种结构：1．用助动词“do（does/did）+动词原形”来表示强调：Do write to me when you get there．你到那儿后务必给我来信。
高中英语语法基础 强调句型知识点总结归纳讲解(附同步练习)(有答案)
高中英语语法基础——强调句型知识点归纳讲解（附同步练习）在高中英语中，强调句是重点句型，也是难点句型，更是考试中的高频句型。
作为英语语言表达中一种句型，强调句的使用，目的在于通过强调主语、宾语或者是状语某个部分，来强化表述自己对一句话中某一个点（时间、地点、人物、事件等方面）的情感，态度和意愿。
强调句属于主从复合句，但强调部分只强调句子的某一个成分。
英语中常用的强调结构有：It is (was)+被强调部分(主语、宾语或状语)+that/who...（陈述句）；疑问词what/how/why…+be it that…句型（疑问句）；It was not until… + that…句型。
一）、陈述句强调句型（1）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）+从句。
如：原句：Mary did the experiment in the lab yesterday evening.强调主语：It was Mary who did the experiment in the lab yesterday evening.强调宾语：It was the experiment that Mary did in the lab yesterday evening.强调时间：It was yesterday evening that Mary did the experiment in the lab. (注意不用when)强调地点：It was in the lab that Mary did the experiment yesterday evening. (注意不用where)（2）强调谓语动词时，用助动词do/does或did。
如：Do remember to get up early tomorrow, or we will miss the train.Do be careful when you cross the street.He did write to you last week.Mr.White, I did hand in my homework to you this morning.二）、疑问句强调句型1、一般疑问句的强调句型：形式上只需将is / was提前，即：Is / Was+ it+被强调部分+that / who+从句? 如：Was it your brother that made you get hurt?Was it in Beihai Park that they made a date for the first time?2、特殊疑问句的强调句型：被强调部分（通常是疑问词Who / When / What / How / Where / Why...）+is / was+it+that+从句？如：原句：How did he come here ? 强调句：How was it that he came here ?原句：Why did he came late ? 强调句：Why was it that he came late ?原句：When / Where did you met your girlfriend for the first time ?强调句：When and where was it that you met your girlfriend for the first time ?三）、not...until...强调句型1、句型为：It is/was not until+被强调部分+that+从句。
(完整word版)高考英语强调句讲解及练习.docx
强调句专题强调句型的基本结构是： It is/was + 被强调部分 (主语、宾语、宾语补足语或状语等 ) +that/who + 句子的其余部分。
一、连接词。
一般说来，如果被强调部分是人时，用连词that 或 who；被强调的部分是宾语，指人时也可以用whom ；如果被强调部分是物，只能用连词that。
It was John and Mike who/that saw Mary in the street last night.It is Mary whom/ who he often helps .It was in the street that I met him yesterday.二、时态。
如果原句中谓语动词使用的是现在范畴的时态(一般现在时、现在进行时、现在完成 /现在完成进行时、一般将来时、将来进行时、将来完成时等)，用 It is...that... 。
如果原句中谓语动词为过去范畴的时态 (一般过去时、过去进行时、过去完成时、过去将来时等 )，则用It was...that... 。
如：Mary met an old beggar in the street yesterday.It was Mary who/that met an old beggar in the street yesterday. ( 强调主语 )It was an old beggar whom/that Mary met in the street yesterday. ( 强调宾语 )It was yesterday that Mary met an old beggar in the street. ( 强调时间状语)It was in the street that Mary met an old beggar yesterday. ( 强调地点状语 )有时， be 前可使用表示推测的情态动词。
高中英语：强调句专项讲解
高中英语：强调句专项讲解【基础回顾】考点归纳：1. 强调句型的基本结构为：It is /was…who／that….2. 判断强调句型的使用是否正确的方法是将强调结构去掉，如果去掉强调结构后的句子仍然正确，就是强调句型，否则就不是。
例：It was six years ago that he went to Tokyo.６年前他去的东京。
【点拨】该句强调句型使用正确，因为去掉强调结构后，该句仍然是一正确句子。
3. 强调句型的一般疑问句结构为：Is /Was it…who／that…?例：Was it during the Second World War that he died？他是在第二次世界大站期间死的吗？4. 强调句型的特殊疑问句结构为：特殊疑问词＋is /was it that…?例：Where was it that you found your lost pen？你在哪找到你丢的笔的？5. 被强调部分往往是句子的主语、宾语、时间状语和地点状语，但有时也可强调比较复杂的内容，如时间状语从句、条件状语从句、not until...、not only...but also...、...as well as...等结构。
6. 被强调部分是人称代词时，原句用什么格，强调句也用什么格。
例：It was he who/that saw the accident the day before yesterday.是他看到了前天发生的事故。
7.被强调部分如果是主格人称代词时，who/that 后的动词应和该主格人称代词在人称和数上保持一致。
例：It was they who/that are to blame for the accident.他们因为事故而被指责。
8. 关于强调词的选用，强调人时可用who 或that；如果不强调人一律用that。
此时绝不能和定语从句混淆，被强调部分为时间状语、地点状语或者原因状语时不能误用when、where 或why 。
高中英语语法强调句讲解
高中英语语法重申句解说重申句1. 述句的句型It is/ was + 被部分（往常是主、或状） + that/ who（当主且主指人） + 其余部分。
例子 It was yesterday that he met Li Ping.2. 一般疑句的句型同上，不过把 is/ was 提到 it 前方。
例子 Was it yesterday that he met Li Ping?3. 特别疑句的句型被部分（往常是疑代或疑副） + is/ was + it + that/ who + 其余部分？例子 When and where was it that you were born?4.not⋯until句⋯型的句A.句型： It is/ was not until + 被部分 + that + 其余部分一般句：He didn't go to bed until/ till his wife came back.句： It was not until his wife came back that he went to bed.B.注意：此句型只用 until ，不用 till 。
但假如不是句型，till, until 可通用；因句型中 It is/ was not ... 已能否认句了， that 后边的从句要用一定句，切勿再用否认句了。
5.的A. It is/ was ... that ... 构不可以，假如需要，用助 do/ does或 didDo sit down. 必坐。
Do be careful when you cross the street.路，必（千万）要当心啊！B.注意：第1页/共4页高中英语语法重申句解说此种重申只用 do/ does和 did，没有其余形式；过去时用 did，后边的谓语动词用原形。
重申形式常有到的重申形式，共有以下七类：⒈用 do\does\did + V 可表重申Some people do believe that nuclear power poses a threat to the world peace.⒉adv 或 adj 可表重申： Never \ only\ VeryThis is the very question that deserves careful analysis.⒊两重否认可表重申Taking part-time jobs is never without drawbacks.⒋ what 指引的主从可表重申What really matters is cooperation.⒌倒装可表重申 (凡是倒装都能够表示重申)Little do people take into account the seriousness of this problem.⒍比较状语从句可表重申Nothing is more imperative than to learn from the past.⒎重申句型可表重申It is \was +被重申部份 + that \ who +原句节余部份It is stability that destroys people’ s ambition and barricades people’ s steps.语法构造重申句的十种构造：1．用助动词“ do（ does/did）+动词原形”来表示重申：Do write to me when you get there．你到那边后务必给我来信。
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强调句一、强调句的基本结构及用法强调句常用来突出说话人要强调的语言信息，给对方以强烈的印象和感受。
译成汉语时，常加上“正是”等字眼。
其基本结构是：It + be的适当形式+ 被强调成分+ that (who) + 其他成分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)【注意】1.在该强调结构中，It无任何意义但不可以换成this或者that等。
It is (was)…that (who)…为结构词，假如去掉，剩下部分在语法结构和句子含义上均完整，这一点正是它和定语从句等的本质区别。
2.关于that与who当被强调部分指人时，可以用who（被强调部分的人作主语或宾语时）或者whom（被强调部分的人作宾语时)代替that；当被强调部分指物时通常用that；当被强调部分既包括人又包括物，用that不用who.It was the things and people that they remembered that they were talking abo ut．当被强调部分是代词时，用who不用that。
当强调时间或地点或原因状语时，不能用when / where /why代替that(尤其是当这些状语为介词短语时)。
1）It was only when I reread his poems recently I began to appreciate their beauty.A. untilB. thatC. whenD. so2）It was in Qingdao I saw the sea for the first time.A. whatB. thatC. whenD. which3）It was because of bad weather the football match had to be put off.A. soB. so thatC. whyD. that如果被强调的成分有同位语，同位语也应提前。
It was from him, his chemistry teacher, that Paul learned to watch carefully in class.3.关于be的适当形式：在强调结构中，无论被强调的是人还是物，单数还是复数，be动词一律用单数is/was形式。
①如果原句的谓语动词时态是现在范畴(一般现在时、现在进行时、现在完成时、现在完成进行时、一般将来时、将来进行时、将来完成时等)，就用is。
It is the ability to do the job matters not where you come from or what you are.A. oneB. thatC. whatD. it②如果原句的谓语动词时态是过去范畴(一般过去时、过去进行时、过去完成时、过去将来时等)，就用was。
例如:It was between 1989 and 1999 great changes took place in our hometown.A. whenB. thatC. whichD. because③也可以根据需要用It may/might/must be that/who; It must have been that/who如:It might be Sally that you are thinking of.It might be in the morning that he broke into the house. It might be his father that you are looking for.It must be John that/who will take part in the contest on behalf our class. It must have been her twin sister that you saw.4. 关于被强调成分。
在强调句型中，能够被强调的句子成分通常为主语或宾语（名词、代词）、状语（介词短语、时间或地点状语从句或者because引导原因状语从句）等，但不能强调谓语动词、表语或补语（形容词或名词充当）、although 引导的让步状语从句、for, since, as引导的原因状语从句、if条件状语等。
如：强调主语、宾语。
It is these poisonous products can cause the symptoms of the flu, such as headache and aching muscles.A. whoB. thatC. howD. whatIt was how the young man had learned five foreign languages attracted the audience’s interest.A. so thatB. thatC. whatD. in whichIt was the ability to do the job matters not where you come from or what you are. (NMET2000)A. oneB. thatC. whatD. it强调状语It was at the gate of our school that we gave the visitors a warm welcome. (强调地点状语)It was with great joy that he received the news that his long lost son would soon return home. (强调程度状语)It is by bus that Mary usually goes to school. (强调方式状语)It was three years ago that I came to this school. (强调时间状语)It is when he got back that he knew what had happened. (强调时间状语)It was because he loved my money that he married me. (强调原因状语)注意：1.强调时间、地点、原因或方式状语时，要用that,不能用when, where, why 或how。
It was about 600 years ago the first clock with a face and an hour hand was made.A. thatB. untilC. beforeD. whenIt was because of bad weather the football match had to be put off.A. soB. so thatC. whyD. thatIt was where there had been a theatre they built a new modern school.A. whereB. in whichC. thatD. so2.使用强调句型对状语进行强调时，有必要将其与下列句型区分开来。
比较下面的句子：1) It was in the evening that the soldiers arrived at the small mountain village. (强调句型)It was evening when the soldiers arrived at the small mountain village. (when引导时间状语从句，it表示时间) 2) It was at 3 o'clock that they came back. (强调句型)It was 3 o'clock when they came back. (when引导时间状语从句，it表示时间)3)It is for three hours that they have been back. (强调句型)It was three hours before they came back. (before引导时间状语从句，it表示时间)It is three hours since they came back. (since引导时间状语从句，it表示时间)再如：It was raining when they came back.It is true that he once went to Canada.It is a surprise that Mary should have won the first prize.3.强调部分为介词短语：强调部分为介词短语时，①应特别注意能引起误解的干扰选项。
②表示时间或地点时，应注意与定语从句的区别。
1. It was through Jack Mary got to know Bob .A. whoB. whomC. howD. that2. It was great care that they did the job.A. forB. aboutC. withD. in3. It was on October 1st 1949 new China was founded .A. whichB. whenC. aD. that4. Was it in this palace the last emperor died?A. thatB. in whichC. in whereD. which4.特别提示：对“not...until...”结构的强调，要用“It is/was not until...that...这一固定句”型。
由于否定已经前移，that后只能用肯定形式。
同时要注意不能使用倒装语序.It was back home after the experiment.A. not until midnight did he goB. until midnight that he didn’t goC. not until midnight that he wentD. until midnight when he didn’t go5. 关于主谓一致：在强调句型中，被强调部分是原句型的主语时，其形式必须与谓语动词的人称和数保持一致。