1、第四学时GrammarGlobal warming it的用法()1it 在强调句中的用法it 可用来对句子谓语以外的某一成分进行强调，强调句的基本句型为：It动词be被强调部分who(m)/that其它部分。被强调部分指人，引导词用who/that均可，被强调部分是人，并且在句中作宾语时，可用whom/who/that引导。强调其它部分，一律用that。被强调的部分是原句的主语时，who/that之后的谓语动词在人称和数上与该主语一致。(1)It was Jane who paid for the meal yesterday.(It was Jane and not another per
2、son.)昨天的饭钱是简付的。(2)It was the meal that Jane paid for yesterday.(It was a meal and not something else.)简昨天付的是饭钱。2强调结构和主语从句句型(Itbeadj./n.that其它部分)的区别。(1)强调结构可以翻译成“正是”或“就是”(2)含有主语从句的句子删掉It be.that/who，则原句在结构上和意义上均不成立，而强调结构若去掉结构标志后，原句在结构上和意义上仍然成立。It is I that/who am your true friend.我才是你真正的朋友。(这是强调句，去掉I
3、t is.that/who后，句子仍然成立。)It is necessary that you should master at least one foreign language.你有必要掌握至少一门外语。(It作形式主语，代替后面由that引导的主语从句，去掉It is.that后，句子不能成立。)3强调句型和It动词一段时间before/when/that/since句型的区别。(1)强调句型：Itis/was被强调部分who(m)/that其它部分。It was not until he came back that his mother went to bed.(2)It is时间
4、段since 从句(一般过去时/过去完成时)。Its years since we enjoyed ourselves so much.我们已有好多年没有这么开心过了。(3)It was/willbe时间段before从句(一般过去时/一般现在时)It was not long before he joined the Party.不久，他就入了党。(4)It was时间点when从句(一般过去时)It was 12 oclock when he came back to school.(这不是强调句。it指时间，when引导时间状语从句。)比较：It was at 12 oclock tha
5、t he came back to school.(这是强调句，强调时间状语at 12 oclock，去掉It was.that，句子仍然成立。)4对于特殊疑问句强调的句式是“疑问词is/wasitthat其它部分”。What is it that Rosa has found in the living room?露莎在起居室里发现的是什么？I dont know what it is that Jimmy has done in his study.我不知道吉米在书房里干什么。Do you still remember where it was that you first came ac
6、ross Paul three years ago?你还记得三年前是在哪儿第一次见到保罗的吗？一、按要求对划线部分进行强调All_the_members held a_meeting in_the_company last_ night.ABCD1(强调主语)_2(强调宾语)_3(强调地点状语)_1 It was all the members that held a meeting in the company last night.2 It was a meeting that all the members held in the company last night.3It was i
7、n the company that all the members held a meeting last night.4(强调时间状语)_5(对地点状语提问然后变成特殊疑问句的强调句式)6(对时间状语提问然后变成特殊疑问句的强调句式)4It was last night that all the members held a meeting in the company.5Where did all the members hold a meeting last night?Where was it that all the members held a meeting last nigh
8、t?6When did all the members hold a meeting in the company?When was it that all the members held a meeting in the company?二、单项填空1It is not who is right but what is right _ is of importance.AwhichBitCthat Dthis2I just wonder _ that makes him so excited.Awhy it does Bwhat he doesChow it is Dwhat it is3
9、(2012年山东卷)A number of high buildings have arisen _there was nothing a year ago but ruins.When B.where C.before D.until1解析：It is.that 是强调句型。答案：CDB4It was after he got what he had desired _ he realized it was not so important.Athat BwhenCsince Das5_ that he managed to get the information?Oh，a friend o
10、f his helped him.AWhere was it BWhat was itCHow was it DWhy was it5解析：特殊疑问句的强调句型是：特殊疑问词 is it that.答案：CA6It _ we had stayed together for a couple of weeks _ I found we had a lot in common.Awas until；when Bwas until；thatCwasnt until；when Dwasnt until；that解析：将not.until.句型改为强调句的句型是：It was not until 时间
11、that.，that 引起的从句中的谓语用过去式的肯定式。答案：D7It was in the lab _ was set up by Mr.Smith_they finished the experiment.Athat；which Bwhich；/C/；that Dthat；that解析：第一个that引导定语从句修饰the lab，第二个that 与前面的It was 构成强调句。答案：D8I cant quite remember _you started doing the work.Athat it was when Bwhen it was thatCwhen was it th
12、at Dthat was it when9It was for this reason _ her uncle moved out of New York and settled down in a small village.Awhich BwhyCthat Dhow10Why？I have nothing to confess._ you want me to say?AWhat is it that BWhat it is thatCHow is it that DHow it is thatBCA三、翻译句子1我昨日见到的是他。2他是因病而没来上学的。3我看到的不是约翰而是他的妹妹。4
13、昨晚在音乐会上我看见的是你吗？5你昨天什么时候打电话给我的？6直到下车我才意识到这一点。1It was him that/who I met yesterday.2It was because he was ill that he didnt come to school.3It was not John but his younger sister that/who I saw.4Was it you that I saw last night at the concert?5When was it that you called me yesterday?6It was not until I got off the bus that I realized it.祝您
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