人教版高一英语必修一语法强调句型课件(共13张).ppt

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1、Grammar 强调句型,Translate the following into English orally,paying attention the usage of it:1.It was not until yesterday that I met my old friend.2.It is in a small factory that my brother is going to work.3.It is a small factory where my brother is going to work.4.It is five months since I arrived in

2、 New York.5.Was it in the street that you met her?6.Who was it that called him“comrade”?,Grammar 强调句型 It is/was+强调部分+that/who/whom+其他成分 这个句型用来强调除谓语以外的各种句子成分,被强调部分必须放在it is/was 后面，如果强调的部分是人，可以who/whom 来代替that.,They will have a meeting in the hall tomorrow.强调主语:It 强调宾语:It 强调地点状语:It 强调时间状语:It,It is the

3、y that/who will have a meeting in the hall tomorrow.,It is a meeting that they will have in the hall tomorrow.,It is tomorrow that they will have a meeting in the hall.,It is in the hall that they will have a meeting tomorrow.,需要注意的是：1.在此结构中,be 动词必须是单数，因为主语是it.连接词必须是that（指人时也可以是who/whom)2.主谓一致,在强调句型

4、中，被强调部分作主语时，其形式必须与谓语动词在人称和数上保持一致。,eg:It is your father that/whom is wrong this time.,It is John and his parents that/who have come to China.,3.人称照应：在强调句型中，若强调主语，代词用主格，若强调宾语，代词用宾格。,eg:It is they who will attend the wedding.It was her whom I saw in the street just now.,4.问句形式：一般问句：was/is it+被强调部分+that

5、+-特殊问句：疑问词+is/was+it+that+-,eg:Is it the girl in red who is your sister?What is it that you want me to do?Who was it that told you the news?,eg:It was not until his father came that the boy began to do his homework.It was not until 12 oclock that he arrived home.It was because he was careless that h

6、e lost his job.It was because of his carelessness that he lost his job.It was at 7:00 a.m that the plane took off.It was for three days that he stayed here.,5.固定句型：It was not until+时间状语/状语从句+that-It was because+从句+that+-It was because of+名词+that+-It was+介词+时间点/时间段+that+-,7.通常判断是否是强调句的标志是：把强调结构“it is

7、/was+-+that 去掉，若句子仍然成立，就是强调句，否则不是.eg:It is the true that he once went to America.（不是强调句型）It was at 8 oclock that he came back.,6.答语：强调句型的答语也应是强调句型。Was it you that told him about it?Yes,it was(不用I did),8.It 引导的强调句不能用来强调条件状语从句和让步状语从句，可强调because 引导的原因状语从句，却不能强调as/since 引导的原因状语 从句，可强调so that 引导的目的状语从句,却

8、不能强调so that 引导的结果状语从句。,Practice,1.The biggest problem of Chinese farmers is the shortage of arable land.It is the shortage of arable land that is the biggest problem for Chinese farmers.2.The plant grown in greenhouses are protected from the wind,rain and insects.It is the plants grown in greenhouse

9、s that are protected from the wind,rain and insects.3.Future agricultures should depend on high technology as well as traditional methods.It is high technology as well as traditional methods that future agriculture should depend on.,I.Rewrite these sentences,emphasising the underlined parts.,II.Rewr

10、ite the sentences below,emphasizing as many parts as possible.1).Some people in South America still practise this kind of farming.It is in south America that some people still practise this kind of farming.It is some people in South America who still practise this kind of farming.It is this kind of

11、farming that some people in south America still practise.,2).During that period of time they made three important discoveries.It was during that period of time that they made three important discoveries.It was three important discoveries that they made during that period of time.It was they who made

12、 three important discoveries during that period of time.,1._ she first heard of the man referred to as an actor.A That was from Stephen B It was Stephen whom C It was from John that D.It was Stephen that2.It was _ the city was liberated_his father was born.A.when;that B.that;when C.that;that D.when;

13、when3.It was _ the next morning that I began to think about where I was going.A.before B.after C.when D.not until4.It _ her brother _ she will borrow the money.A.is fromthat B.is who C.iswhom D.isthat5.It _ on the telephone that I spoke to my wife in New Zealand.A.is B.was C.are D.were6.It might have been John _ bought a new ring for Lily yesterday afternoon.A.therefore B.who C.which D.so that7.It was yesterday_ I saw him in our school.A.when B.which C.on which D.that8.It was in the village_he grew up.A.where B.which C.in which D.that,C,A,D,A,B,B,D,D,