高考英语专题复习 It的用法课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,知识结构,聚焦,高考,重难点分析,例题讲解,专题练习,“,It”,的用法,下 一 页,退出,Teaching Design,上 一 页,导入,名谚,导入,Please translate the following sentence into English:,“活到老，学到老。”,It is never too late to learn.,The Use of“It”,(“It”,的用法,),The Use of“It”,真题回顾：,聚焦高考,1.The doctor thought _would be good for you to have a holiday.,A.this,B.that,C.one,D.it,(,10,全国,),全国卷高考题：,真题汇编,2007,2006,2005,考点聚焦,KEY:,1.D,3.C,2 _ felt funny watching myself on TV.A.One B.This C.It D.That (07,全国,II),3.If I can help_,I dont like working late into the night.,A.so B.that C.it D.them (06,全国,I),2.C,真题回顾：,聚焦高考,1.,Have you heard the latest news?,No,what_?,A.is it B.is there C.are they D.are those,2._felt funny watching myself on TV.,A.One B.This C.It D.That,3.He,didn,t make_clear when and where the meeting would held.,A.this B.that C.it D.these,4.In my opinion,life in the twenty-first century is much easier thanA.That used to be B.it is used to,C.it was used to D.it used to be,5.Little joy can equal_of a surprising ending when you read stories.,A.that B.those C.any D.some,真题汇编,2007,：,(,全国,I,，,21),(,全国,II,，,7),(,天津,，,),(,安徽,，,25,),(,四川,，,32,),KEY:ACCDA,真题回顾：,聚焦高考,6.,He got his first book published.It turned out to be a bestseller.,When was_?,_was in 2000 when he was still in college.,A.that;This B.this;It,C.it;This,D.that;It,7.The information on the Internet gets around much more rapidly than_,in the newspaper.,A.it B.those C.one D.that,8._worries me the way he keeps changing his mind.,A.This B.That C.What D.It,真题汇编,2007,：,(,浙江,，,16,),(,辽宁,，,27,),(,山东,，,24,),返回,KEY:DDD,真题回顾：,聚焦高考,1.If I can help_,I dont like working late into the night.,A.so B.that C.it D.them,2.It was after he got what he had desired_he realized it was not so important.,A.that B.when C.since D.as,3._is our belief that improvements in health care will lead to a stronger,more prosperous economy.,A.As,B.That C.This D.It,4.How long do you think it will be_China sends a manned space-,ship to the moon?,Perhaps two or three years.,A.when B.until C.that D.before,真题汇编,2006,：,(,全国,I,，,26),(,辽宁,，,35,),(,浙江,，,4,),(,福建,，,25),KEY:CADD,真题回顾：,聚焦高考,5.As the busiest women in Norton,she made_her duty to look after all,the other peoples affairs in that town.,A.this B.that C.one D.it,6.Id appreciate_if you would like to teach me how to use the computer.,A.that B.it C.this D.you,7.Catherine bought a post card of the place she was visiting,addressing_,to_and then posted it at the nearby post office.,A.it;her B.it;herself,C.herself;her D.herself;herself,真题汇编,2006,：,(,湖南,，,26),(,山东,，,24,),(,安徽,，,34,),返回,KEY:DBB,真题回顾：,聚焦高考,1.The chairman thought_necessary to invite Professor Smith to speak at the meeting.,A.that B.it C.this D.him,2.The doctor advised Vera strongly that she should take a holiday,but_,didn,t help.,A.it B.she C.Which D.he,3._in the regulations that you should not tell other people the password of,your e-mail account.,A.What is required B.What requires,C.It is required D.It requires,真题汇编,2005,：,(,全国,I/II,，,35),(,全国,III,，,13),(,上海,，,38,),KEY:BAC,真题回顾：,聚焦高考,4.I prefer a flat in Inverness to_in Perth,because I want to live near,my moms.,A.one B.that C.it D.this,5.Jim passed the driving test,_surprised everybody in the office.,A.which B.that C.this D.it,6.We,ve,been looking at houses but havent found_we like yetA.one B.ones C.it D.them,7.He,hasn,t slept at all for three days._he is tired out.,A.There is no point B.There is no need,C.It is no wonder D.It is no way,真题汇编,2005,：,(,浙江,，,2,),(,浙江,，,20,),(,湖北,，,30,),(,天津,，,15),KEY:AAAC,真题回顾：,聚焦高考,8.,_,that he managed 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,9.Im moving to the countryside because the air there is much fresher than,_in the city.,A.ones B.one C.that D.those,真题汇编,2005,：,(,江苏,，,26,),返回,(,山东,，,31,),KEY:CC,聚焦高考,考点聚焦：,1.,It,作替代词的用法,。,2.,It,构成的句型,。,返回,知识结构,Please tell what the word“it”refers to and its functions:,1.,I was disappointed with the film.I had expected,it,to be much better.,2.China will host the 2008 Olympic Games on August 8th,2008.,It,surely is a great,historical events this century.,3.The baby cried because,it,was hungry.,4.,It,s getting hotter and hotter every day.,5.,It,s about five kilometers from here to the railway station.,8.,It,is on this arable land that the farmers produce food for the whole population of china.,6.,It,is a good thing that New Zealand helps the Maori to keep their own language and culture.,7.I hate,it,when people talk with their mouths full.,实战演练,As Personal Pronoun,As Impersonal Pronoun,As Antecedent Pronoun,As Stressing Pronoun,As Formal Subject,As Formal Object,As Personal Pronoun:,1.,It,代替前面或后面的单数名词或分句所表示的事物。,2.,It,在特定的环境中，,It,也可指人，如婴儿、性别不详或身份不明的人。,返回,知识结构,As Impersonal Pronoun:,It,用作非人称代词时，除了句中找不到它所代表的词语外，另一特点是它后面的内容都是表示天气、时间、距离、度量衡及环境、情况或句中,所涉及之人等。,返回,知识结构,特别注意：,如何区分,It,是人称代词还是非人称代词,。,As Antecedent Pronoun:,根据句子结构的需要，人们常用,It,作形式主语或形式宾语，而把,真正的主语或宾语（不定式、动名词或名词性丛句）置于句末，以确保句,子保持平衡。,返回,知识结构,实战演练,特别注意：,某些及物动词或短语,不能直接加宾语丛句,，此时须先用,It,作形式宾语，然后,接宾语从句。此种用法常用于,like,dislike,hate,appreciate,depend on,等之后。,e.g.,You may depend on,it,that they will support you.,As Stressing Pronoun:,实战演练,返回,知识结构,It,作,强调词主要用于强调句，其句式为：,It is/was+,强调部分,+,that+,句子其他剩余部分。,e.g.,It was in Greece that Olympic competitions firstly started.,特别注意：,1),It,无意义，不可换成,this,或,that,及其他的词。,2),根据需要,be,前可加,may,might,must,等情态动词。,3),若强调部分是人，,that,可用,who(,主格,),或,whom(,宾格,),，其他情况一律用,that,。,4),特殊疑问句被强调时，只有疑问词可以被强调。句式为：疑问词,+,is/was,+it+that+,句子其他剩余部分？,e.g.,It is I who am going to Beijing next week.,It must be John who will come here.,It is him whom I want to see.,When was it that you began to learn English?,返回,知识结构,As Stressing Pronoun:,1.,It was for this reason_her uncle moved out New York and settled down in a,small village.,A.which B.why C.that D.how,2.Was it during the Second World War_he died?,A.when B.which C.then D.that,3.It was,Mr,Smith that you met at the meeting,_?,A.,wasn,t it B.,isn,t C.was it D.is it,4.I have always been honest and straight forward,and it,doesn,t matter_,Im talking to.,A.who is it B.who it is C.it is who D.it is whom,5.It was not_she took off her dark glasses_I realized she was a famous film star.,A.when;that B.until;that C.until;when D.when;then,KEY:CDABB,知识结构,1.,Who knocked at the door?,I,ve,no idea.I just pretended nobody was at home,so I,didn,t ask who_was.,A.he,B.that,C.she,D.it,2.1.Do you like_here?,Oh,yes.The air,the weather,the way of life.Everything is so nice.,A.that,B.these C.that,D.it,3._is our belief that improvements in health care will lead to a stronger,more,prosperous economy.,A.As B.That C.This DIt,4.If I can help_,I dont like working late into the night.,A.so B.that C.it D.them,5.Is it my age_the boss minds?,Im afraid not.He will consider_necessary to have an experienced assistant.,A.which;it B.that;it C.which;that D.that;that,KEY:DDDCB,返回,重,难点分析,2.,It,作替代词的用法,3.,It,构成的句型,Summarization:,1辨别,It,是人称代词还是非人称代词,重,难点分析,1,.,It,作人称代词一定可在句中找出其所替代的东西，不管其在前还是在后。,2.,It,作无人称代词在句中不管前后都找不出其所替代的东西。,辨,别,It,是人称代词还是非人称代词,返回,实战演练,重,难点分析,Please find out in which sentence it refers to personal or impersonal pronoun:,1.Although we cantt see,it,there is air all around us.,2.,It,s lovely in the garden.Lets go for a walk.,3.What time is,it,by your watch?,辨,别,It,是人称代词还是非人称代词,返回,KEY:1/2 3,重,难点分析,it,作替代词，主要是其与,one,、,ones,、,that,、,those,作替代词的区别：,1.,it,替代同名同物，表特指。,e.g.,Have you returned,the book,?,No,I havent returned,it,.,2.one,只替代可数名词的人或物，表示同名异物。,one,前后均可被定语修饰，,如：,a/an+adj.+one,，,此时表泛指；但,one,也可表示特指，此时只有当,one,被,this,、,that,、,the,等词修饰时。,e.g.,Do you have a dictionary?,No,I dont have,one,.,I dont like this book.Id like a more interesting one.,I hope it was as good as the one you lent me.,3.ones,是,one,的复数形式。其前后均可被定语修饰。,e.g.,I want large ones,not small ones.,It,作替代词的用法,重,难点分析,4.,that,既可替代可数名词，又可替代不可数名词，但不可代替人，,常带后置定语。一般指代上文已出现我事物，始终是特指。,e.g.,In winter the weather in Beijing is colder than the in Guangzhou.,5.those,是,that,的复数形式，可替代人，常带后置定语，一般指代上文已出现,我事物，也是特指。,e.g.,Those who do not wish to need not go.,The house of the rich are generally larger than those of the poor.,实战演练,It,作替代词的用法,返回,重,难点分析,It,作替代词的用法,返回,1.,It is common that there are generation gaps between parents and their children,for,the values of todays young people differ from_of their parents.,A.ones B.it C.that D.those,2.The Parks bought a new house but _will need a lot of work before they can move in.,A.one,B.they C.it D.which,3.When shall we start?,Lets_it 8:30.Is that all right?,A.set B.meet C.make D.take,4.The college system at Oxford and Cambridge is unlike_of any other university,whether in Britain or American.,A.that B.one C.it D.those,5.The language used in advertisements differs from_used in ordinary readings.,A.which B.what C.that D.it,KEY:DCCAC,重,难点分析,It,构成的句型,返回,1.,It,作形式主语的几种句型,2.,It,引起的几个易混的时间句型,3.,It,构成的强调句型,重,难点分析,It,构成的句型,It,作形式主语的几种句型,Summarization:,1.It+be+adj./n.(for,sb,.)to do,sth,.,2.It+be+adj./n.+that-clause,3.It+be+adj.+of,sb,.to do,sth,.,4.It+be+n.+doing,sth,.,5.It+be+,过去分词,+,that-clause,6.It+takes+,sb,.+,一段时间,+,to do,7.It+seems/appears+that-clause,8.It seems/looks as if,9.,It+be+the best/worst+clause,10.It+be+the only+clause,11.It,doesn,t matter+clause,12.Its not important+clause,实战演练,返回,重,难点分析,It,构成的句型,It,作形式主语的几种句型,1.,It+be+adj./n.(for,sb,.)to do,sth,.,2.It+be+adj./n.+that-clause,特别注意：,1),这两种句型一般可以转换，我们可以用,to do,转换成,that-clause,或反之。,e.g.,Its important to learn English well.,Its important that we should learn English well.,2),在第二种句型中，,that,从句常用虚拟语气,(,should,可省,),，,但仅限于下列单词：,常用形容词：,strange,necessary,important,etc.,常用名词：,a pity,a shame,no wonder,etc.,e.g.,Its strange/a pity that no one should like this book.,重,难点分析,It,构成的句型,It,作形式主语的几种句型,3.It+be+adj.+of,sb,.to do,sth,.,在此句型中，形容词为表示批评或表扬的，常用的形容词为：,good,nice,kind,right,stupid,clever,cruel,rude,wise,brave,foolish,naughty,polite,careless,considerate,etc.,e.g.,We all think it is most foolish of you to make this mistake.,特别注意：,与第一种句型It+be+adj./n.(for,sb,.)to do,sth,.,相比较时，如何选用,for,或,of?,1),如需说明动作是谁做的，用,for,短语。,e.g.,It is a prize for a country to hold the Olympic Games.,2),如需说明动作主语是什么样的，用,of,短语。表达说话人对主语的看法和情绪。,e.g.,It is very kind of you to come to see me.,重,难点分析,It,构成的句型,It,作形式主语的几种句型,4.It+be+no+n.+doing,sth,.,其中的名词常为：,use,good,e.g.,Its no use arguing with him.,Its no good taking this medicine.,重,难点分析,It,构成的句型,It,作形式主语的几种句型,5.It+be+,过去分词,+,that-clause,在此句型中，,that-clause,中常用虚拟语气,(,should,可省,),，常见的动词为：,require,request,demand,recommend,order,desire,propose,etc.,e.g.,It is required that all passengers show the tickets.,重,难点分析,It,构成的句型,It,作形式主语的几种句型,6.It+takes+,sb,.+,一段时间,+,to do,e.g.,It took them three months to finish the task.,重,难点分析,It,构成的句型,It,作形式主语的几种句型,7.It+seems/appears/happens+that-clause,8.It seems/looks as if,e.g.,It seems that he enjoys pop songs very much.,Look!It seems as if it were going to rain.But after a moment,it,doesn,t rain.,Look!It seems as if it is going to rain.And after a moment,it rains.,特别注意：,It seems/looks as if,可根据实际情况选择是否使用虚拟语气。,重,难点分析,It,构成的句型,It,作形式主语的几种句型,9.,It+be+the best/worst+clause,10.It+be+the only+clause,特别注意：,在上述句型中从句常用现在完成时：,e.g.,It is the best opera(that)I have ever watched.,It was the flying experience I have had.,重,难点分析,It,构成的句型,返回,It,作形式主语的几种句型,11.,It,doesn,t matter+clause,12.Its not important+clause,特别注意：,在上述句型中从句常用一般现在时：,e.g.,It,dosen,t matter where we go on holiday.,实战演练,重,难点分析,It,构成的句型,返回,It,作形式主语的几种句型,1,.,_in the regulations that you should not tell other people the password of,your e-mail account.,A.What is required,B.What requires,C.It is required D.It requires,2.It is generally accepted_is what one does_matters but not what he says.,A.it that;what B.that it;that C.that;what,D.what;that,3._is our belief that improvements in health care will lead to a stronger,more prosperous economy.,A.As B.That C.This,D.It,4.The Foreign Minister said,“_our hope that the two sides will work towards,peace.”,A.This is,B.There is,C.That is,D.It is,5.Its pretty well understood_controls the flow of carbon dioxide in and out the at-,mosphere,today.,A.that,B.where C.what D.how,KEY:CBDDC,重,难点分析,It,构成的句型,It,引起的几个易混的时间句型,返回,Summarization:,1.Its(about/high)time(that),2.It+is/was/will be+the first(second)time+that-clause,3.It was/will(not)be+,段时间,(hours,days,years,etc)+before-clause,4.It is/has been+,段时间,(,years,days,weeks,months,etc)+since-clause,5.It is/was+,具体的时间点when-clause,实战演练,重,难点分析,It,构成的句型,It,引起的几个易混的时间句型,1.,Its(about/high)time(that),本结构中，,time,之后可接介词短语、动词不定式或,that,从句。,特别注意：,在从句中，谓语动词须用虚拟语气，用“,should+,动词原形”,(,should,不能省,),或用动词的过去式。,e.g.,Its(about)time that we went/should go to bed.,Its(about)time for us to go to bed.,重,难点分析,It,构成的句型,It,引起的几个易混的时间句型,2.,It+is/was/will be+the first(second)time+that-clause,本结构中，,It,也可用,this,that,等，其中序数词也可修饰,day,month,year,等名词。,特别注意：,从句用完成时代。,e.g.,Itwas the second time that I had visited the Great Wall last year.,This is the fourth time that she has rung you today.,重,难点分析,It,构成的句型,It,引起的几个易混的时间句型,3.,It was/will(not)be+,段时间,(hours,days,years,etc),+before-clause,本结构中表示某一动作从现在起到将来某时刻之前发生的这一段时间的总和，,也可表示某一动作从过去某时刻起直到另一过去时刻发生之前的若干时间。,特别注意：,1),主句部分用,was,，,before,从句用过去时。,2),主句部分用,will be,，,则,before,从句用现在时。,e.g.,It will be two years before we meet again.,It was a long time before I got to sleep again last night.,重,难点分析,It,构成的句型,It,引起的几个易混的时间句型,4.,It is/has been+,段时间,(,years,days,weeks,months,etc)+since-clause,本结构表示某一动作或状态从结束时起到现在或另一过去时间为止的若干时间。,这一动作或状态的结束是以,since,从句表现出来的。,特别注意：,1)since,从句用一般过去时。,e.g.,What was the party like?,Wonderful.Its years since I enjoyed myself so much.,It is/has been five years since I began to learn English.,2),在：,It is time since-clause,中，,since,从句中不能否定式。,e.g.,正：,It is/has been three years since I met you in London last.,误：,Its ten years since you,didn,t come to see me.,重,难点分析,It,构成的句型,It,引起的几个易混的时间句型,返回,5.,It is/was+,具体的时间点,+,when-clause,本结构是定语从句句型，具体的时间点是先行词，关系副词,when,引导定语从,句。,特别注意：,1),主句部分用,is,，,when,从句用现在时。,2),主句部分用,was,，,when,从句用一般过去时。,e.g.,It is 6 oclock when I go home from school every day.,It was five oclock in the afternoon when they climbed up to the mountain.,实战演练,重,难点分析,It,构成的句型,It,引起的几个易混的时间句型,返回,1.,It was some time_ we realized the truth.,A.when B.until C.since D.before,2.It is some time_ we realized the truth.,A.when B.until C.since D.before,3.That was really a splendid evening.Its years_I enjoyed myself so much.,A.when B.that C.before D.since,4.Did Jack come back early last night?,Yes.It was not yet eight oclock_he arrived home.,A.before B.when C.that Duntil,5.,What a beautiful picture!,Its years_I painted a picture as beautiful as this one.,A.that B.since C.before D.when,KEY:DCDBC,重,难点分析,It,构成的句型,It,构成的强调句型,返回,如何判断一个句子是否是强调句型：,强调句式判断方法最为简单，即去掉,It is/was+that/who,之后句子结构,完整，语意齐全，则是强调句。,实战演练,重,难点分析,It,构成的句型,It,构成的强调句型,返回,Please find out the stressing sentences:,1.It is strange that he was absent yesterday,2.It is from the sun that we get heat and light.,3.It is the sun from which we get heat and light.,4.It is likely that they will beat us tonight.,5.It was reported that dozens of children died in the accident.,6.,It is the ability to do the