It的用法与强调句.ppt

,It的用法与强调句,Try to find the best answer to the followings:,I like_ in the autumn when the weather is clear and bright.(2004全国卷 I）()A.this B.that C.it D.one,-Do you like _ here?-Oh,yes.The air,the weather,the way of life.Everything is so nice.(2004全国卷 II)()A.this B.these C.that D.it,C,D,在高考单项填空的选项中，it 是出现频率较高的词汇之一。下面针对 it 的用法进行分类解析：,一、代词it1.用作人称代词代替上文提到过的人或事物，（有时不特指某件事物，而代表前面已提 到的或者将会发生的某件事情，或者是谈 话双方都明白的情况，如前面第2题）,Toms ill.Have you heard about it?It happened during the Long March.I cant stand it any longer!If its convenient I can see you tomorrow.,2.用作指示代词，（起着this 或that 的作用）指一个人或一件事情。,-what is this?-Its a telephone.-whos on the telephone?-Its Lily.,3.指时间、距离、价值、天气和自然现象等。,It is cold today,isnt it?It is about an hours ride to the park.,4.it代替“人”。,it 常指代无法或没有必要分性别的人；有时指发出某个动作的人或心里所指的人。The baby cried because it was hungry.婴儿哭了是因为饿了。Someone is ringing the doorbell.Go and see who it is.有人在按门铃，去看看是谁。,二、引导词itit 常作形式主语，把真正的主语置于句后，真正的主语通常为不定式、动名词、主语 从句。,It is easy to buy a new radio.It is no use telling him that.It is strange that nobody knows her.,提示：it 作形式主语，that从句作真正主语，常见的句型有：,It be+形容词（obvious,natural,surpri-sing,good,wonderful,funny,possible,likely,certain,probable,etc.)+that 从句,b.It be+名词词组（no wonder,an honor,a good thing,a pity,no surprise,etc.)+that 从句,c.It be+过去分词（said,reported,thought,expected,decided,announced,arranged,etc.)+that 从句,The foreign Minister said,“_ our hopethat the two sides will work towards peace.”(2004，北京卷）（）This is B.There is C.That is D.It is,Have a try!,D,注意 it 对关系代词的干扰,_ is known to everybody,the moon travelsRound the earth once every month.(NMET 2001)()A.It B.As C.That D.What,试比较：It is known to everybody that the moon,Carol said the work would be done by Octo-ber,_ personally I doubt very much.(NMET,1999)()A.it B.that C.when D.which,B,D,2.It 作形式宾语，真正宾语放在宾语补足语 后面，真正宾语通常为不定式，动名词，宾语从句。,He felt it his duty to help others.They thought it no good doing that.,I hate _ when people talk with theirmouths full.(NMET 1998)()A.it B.that C.these D.them,A,It 对代词 的干扰：,We needed a new cupboard for the kitchen.So Peter made _ from some wood.(2004,全国卷 III）（）A.it B.one C.himself D.another,B,Meeting my uncle after all these years was anunforgettable moment,_ I will always treasure.(NMET 2002)()A.that B.one C.it D.what,B,-why dont we take a little break?-Didnt we just have _?()(NMET 2002)A.it B.what C.that D.one,D,三、it 用在强调结构中。1.可以用来强调句中的主语、宾语、状语（从句），结构为：It is(was)+被强调部分sb.+who(that)It is(was)+被强调部分sth.+that,原句为：I met Tom in the park yesterday.,It was I who/that met Tom in the park yesterday.,It was Tom that I met in the park yesterday.,It was in the park that I met Tom yesterday.,It was yesterday that I met Tom in the park.,1.It was our teacher _ did the experi-ment in the lab last night.(),A.whom B.that C.which D.where,B,2.It was because of bad weather _ the foot-ball match had to be put off.()A.so B.so that C.why D.that,D,3.It is ten years _ Miss Gao left here.()A.that B.when C.since D.as,C,对强调句型的识别：,可用下面方法识别强调句型：把强调句的标志词 it is/was that 拿掉，若能还原出句法结构完整的句子来，则为强调句，否则不是强调句。,It was eight oclock _ I left home.()It was at eight oclock _ I left home.()A.that B.since C.when D.while,C,A,2.对“notuntil”的特殊强调句型：It is/was not until+时间状语（从句）+that,He didnt get home until midnight.It was not until midnight that he got home.,3.强调句的疑问结构：,（1）一般疑问句：Is/was it+被强调部分+that(who)+剩余部分,如原句为：Does he read this book every day?,Is it this book that he reads every day?,（2）特殊疑问句：（只能对疑问词强调）疑问词+is/was that(who)+剩余部分：Who came to see you this morning?,Who was it that came to see you this mor-ning?,4.含有定语从句的强调句：It was in the lab that was set up by Mr.Smiththat they finished the experiment.,It was in Beihai Park _ they made a date for the first time _the old couple told ustheir love story.()where;that B.that;thatC.where;when D.that;when,A,5.强调宾语从句中的疑问词时：主语+谓语+疑问词+it is/was+that+宾语从句I dont know where he comes from.,I dont know where it is that he comes From.,6.需要注意的地方：（1）如果原句中的谓语动词为现在或将来时的各种时态，就用“it is”,如果原句中的谓语动词为过去时的各种时态，则用“it was”（2）不论被强调的主语是单数还是复数，一律用“it is/was+who(that).,高考题回放,1.It is the ability to do the job _matters,not where you come from or what you are.A.one B.that C.what D.it,2.It was only when I reread his poems recently I began to appreciate their beauty.A.until B.that C.then D.so,3.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,4.It was because of bad weather_the football match had to be put off.(2003)A.so B.so that C.why D.that,课堂练 习,1._in 1943_the harmful smog made its appearance in Los Angeles.A.Only/that B.It was/then C.That it was/when D.It was/that 2.It was on the National Day_she met with her separated sister.A.that B.when C.where D.which,3.Was it during the Second War _he died?A.that B.while C.in which D.then4.Who _ helped you work out the math problem?was he B.it was whoC.Was it that D.it was,5.It is near the place _there is a bomb_ we found the dead man.A.where/where B.where/that C.that/where D.that/that6.It was Mike and Peter who_the reading room this time yesterday.A.are cleaning B.were cleaning C.cleaned D.cleans,7.It is the room_ we will have the meeting.A.that B.which C.where D.there8.It_ the Chinese people that _hardworking.A.was/was B.is/are C.is/is D.are/are,9.It was not until she had arrived home _her appointment with the doctor.A.did she remember B.that she remembered C.when she remembered D.had she remembered10.Where was it _ the road accident happened yesterday?when B.thatC.Which D.how,11.It was for this reason _ her uncle moved out of London and settled down in a small village.which B.why C.that D.how12.Was it at the school _ was named HERO _ he spent his childhood.that;that B.which;thatC.where;that D.that;which,Thank you!,