高考英语二轮复习 专题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,*,It的用法,It,用法归纳,一，指代,it,二，形式,it,三，强调,it,四，含有,it,的句型,一，指代,it,用来指代上文提到的事物。,1.-Pass me your nose.-Here it is.,2.Whatever you do and say,ask yourself whether it is welcomed by others.,3.The Olympic Game will be held in Beijing in 2008.It makes the Chinese proud.,2.,表示时间，天气，距离，温度等。,It,s 10:08,1.It was cold yesterday.,2.It may be 25,kms,from here to the town.,3.It was very quiet in the caf.,3.,、作为人称代词，,it,可以用来指东西、动物、婴儿和未确定身份的人。,1.Wheres my left eye?Have you seen it?,2.The cat is in the garden,isnt it?,3.The baby cried because it is hungry.,4.(,有人在敲门）,Who is it?,It,s lovely,It,weighs only 3 kilos.,It,s a large sum of money.,4.,表示谁在做某事的句子,：,1.-Who is it?-Its me.2.Her face lighted when she saw who it was.,5.,用来泛泛的指某件事：,1.It doesnt matter.2.It is a shame,isnt it?,3.So you are going to be married this time,？,When is it,？,特别注意：,it,one,和,that,作替代词的用法及区别,1.it,代替前面提到的同一事物,该事物既可以是可数名词也可以是不可数名词。,Thenewsthattheyfailedtheirdrivingtest,upset him,_?,A.didthey,B.,didnt,they,C.didit,D.,didnt,it,2.one,代替前面提到的同类事物中的一个。该事物只能是可数名词,前面可以有冠词,也可以被,this,、,that,或形容词修饰,其后也可以有定语。,-Whydontwehavealittlebreak?-,Didnt,wejusthave_?,A.it,B.that,C.one,D.this,3.that,代替前面提到的同类事物中特指的一个。该事物既可以是可数名词也可以是不可数名词,要有后置定语,但不可以有前置修饰语。,Fewpleasurescanequalto _ofacool,dirnk,onahotday.A.some,B.any,C.that,D.those,二，形式,it-,形式主语，,形式宾语,1.,It,is necessary to be prepared for a job interview.Having the answers ready will be of great help.,2.,It,is known to everybody that the moon travels round the earth once every month.,形式主语,It is clear,(obvious,，,true,，,possible,，,certain.),that.,1.It is very clear that hes round and tall like a tree.,形式主语,2.It is important,(necessary,，,strange,，,natural.),that.,that,后的从句中要用虚拟语气（,should+,动词原形。,It is important that we(should)have enough rice.,It is necessary that he(should)remember these words.,形式主语,3.,Itssurprisingthat(should),竟然,例,Its,surpring,thatyoushould,apologizetoherwithout any reason.,形式主语,4.It is a pity,(a shame.),that.,that,后的从句一般用虚拟语气（,should+,动词原形），常译为“竟然”。没有这种意义时，则不用虚拟语气。,It is a pity that such a thing(should)happen in your class.,It is a pity that he is ill today.,5.It is our hope,(a duty/an,honour,.),that.,例,The Foreign Minister said,“,It,is our hope that,the two sides will work towards peace.”,译。,1.,很荣幸能请你来为我的小狗洗脚。,It s an,honour,that I can invite you to come to wash the legs for my dog.,2.,照顾老人是我们的职责。,Its our duty that we take care of the old.,6.It is said,(reported,，,learned,，,thought,believed,known hoped,expected,agreed,accepted,decided,planed,understood,）,that.,常译为“据说（据报道，据悉）”。,It is reported that another earth satellite has been put into orbit.,译。大家都知道那只猫和那条狗明天要结婚。,7.It is suggested,(ordered/demanded/insisted/commanded.),that.,that,后的从句要用虚拟语气（,should+,动词原形），,should,可以省；常译为“据建议；有命令）,It is suggested that the meeting(should)be put off.,It was ordered that we(should)arrive there in two hours.,8.It happens,(seems,，,appears,come,about,turnout,),等不及物动词,+,that.,碰巧,./,看来,/,似乎,.,It happened,（,chanced,）,that he met his teacher in the street.,译，看来他是吃错了药。,It seems that he took the wrong,midicine,.,译，结果是他吃到了五花肉（,panceta,),。,It turned out that he had,panceta,finally.,9.It is,adj,(for sb.)to do,sth,.,important,，,necessary,，,natural,，,impossible,，,unusual,，,rare,，,normal,，,easy,，,hard,，,difficult,，,dangerous,，,pleasant,，,likely,right,wrong,clear,obvious,certain,suitable,proper,useful,等。,10.It is,adj,(of sb.)to do,sth,.,good,（好心的），,nice,（有教养的），,polite,，,kind,，,brave,，,careless,，,honest,，,modest,，,considerate,naughty,，,wise,，,clever,，,thoughtful,careful,crazy,，,bad,，,lazy,，,rude,，,cruel,，,foolish,，,silly,，,stupid,，,.,等。,这个句型可以改写为：,sb.is,adj,to do,sth,.,。,It is kind of you to say so.=You are kind to say so.,11.It,替代作主语的动名词,Itsnogood/usedoing,Its(,well)worth,doing,例,Itsnousecryingoverspiltmilk.,12.It takes sb.to do,sth,.,“,做要花费某人”。,It took thousands of people many years to build the Great Wall.,13.It doesnt matter whether,(if),.,“,不论（是否）没关系。,It doesnt matter if they are old.,形式宾语,1.,动词,+it+,形容词,/,名词,+,（,for,sb,+,）,to do,+that,从句,think,believe,suppose,consider,feel,make,Keep,hard,useless,worth,worthwhile,nouse/nogood/,worthoneswhile/,awasteoftime/,money/energy/,words,2.,动词,+it+,形容词,+that,从（,should,）,important/,unimportant/,necessary/,unnecessary,/natural/,essential,形式宾语,The chairman thought _ necessary to invite Mr.Obama to visit Peking.,A.that B.it C.this D.him,例,.,我认为你去参加这会议很重要。,Ithinkitimportantthatyou(should)attend,theconference.,形式宾语,3.,动词,+it+as+noun/,adj,.+,从句,accept,regard,take,see,view,例,Thespeakertakesitasencouraging,whenmanystudentsattendhislecture.,4.,动词,+it+to sb.+that,oweittosb.that,把,归功于,leaveitto,sb,that,把,留给某人去做,takeitforgrantedthat,把,想当然,keepitinmindthat,把,记在心里,例,1.Dontbothertotidy your room.,Justleaveittometodo.,译，他想当然的以为女朋友会再回来。,He took it for granted that his girlfriend would come back again.,5.,动词,+it+that,enjoy,like,/love,dislike,appreciate,hate,dontmind,befondof,feellike,seeto/depend on,/,insist on,例,Ihateityoucandancesowell,butIcant.,I like(enjoy,hate)it,when.,I would appreciate it,if,6.,动词,make+it+a rule+that,从句,译，他习惯于天亮前起床。,He makes it a rule that he get up before dawn.,形式宾语,1.It is time,(about time,，,high time),that.,从句应该用虚拟语气，常用过去时态表示虚拟 有时也用,should+,动词原形，,should,不能省，常译为是（正是）的时侯,It is time that children should go to bed.,=It is time that children went to bed.,四，含有,it,的句型,2.It is the first,(second.),time that.,It is the first time I have been here.=This is the first time I have been here.,含有,it,的句型,3.It is.since.,。,since,引导的从句通常是一般过去时态，而且是瞬间动词。,“做某事已经多久了”,It is(has been)5 years since his father died.,4.Itissince+,延续性动词的过去式,“,不,做某事已经多久了”,例。,Its10yearssince hehad breakfast.,含有,it,的句型,5.It is.when.,。,when,引导时间状语从句，主句中的,it,指时间，表语由具体的时间充当，常译为当的时候，是,It was 5 oclock when he came here.,6.It be.before.,when,从句中常是将来一般时或过去时两种时态主句中的,it,指时间，表语多是,long,，,not long,，,3 days,，,2 weeks,等表示时间段的词或短语，常译为之后。,It was 3 days before he went to Beijing.It will be not long before he finishes his job.,例：我们该采取行动了。,Its(about,/high)timethatweshouldtakeaction.,例：这是他第三次没有通过驾照考试。,Itsthethirdtimethathehasfailedthedrivingtest.,例：不久后他们就会到。,Itwasnotlongbeforetheyarrived.,含有,it,的句型,Itis/was+,被强调部分,+,that(who,),用来强调谓语动词以外的任何句子成分。当,被强调部分是人时也可以用,who,。,强调句型,It is the ability to do the job not where you come from or what you are _,_,matters.,A.one B.that C.what D.it,It is/was+,被强调的部分,+that/who+,句子其他成分,强调句型,高考真题,It was _ back home after the experiment.,A.not until midnight did he go,B.until midnight that he didnt go,C.not until midnight that he went,D.until midnight when he didnt go,In which play is _ your brother appears?,A.that where B.this when C.it that D.it where,It was in the lab _ was taken charge of by Professor Zhang _ they did the experiment.,A.where;that B.which;where,C.that;where D.which;that,强调句型,被强调的部分是,not until,引导的时间 状语,?,强调句型用于疑问句,被强调的部分是特殊疑问词或从句引导词,?,In which play,is it that?,It is,that,Is it,that?,I dont know in which play it is that,强调句型和各种从句,高考热点,?,It was a new book,he wanted to buy.,It was Tom,I met in the street.,3.It was during the holiday,he got to know that girl.,4.It was in the park,I saw Kate crying last night.,5.It was he who,late yesterday.,6.It was the teacher together with the boy students who,in the classroom.,7.,将,1.2.,句变为一般疑问句,8.,将,3.4.5.,句变为特殊疑问句,was,was,that,that,who,that,9.,is it,has made Peter success.,A.What that B.That what,C.What,what,D.That that,How is it that,she turned down our help?,Where was it that,When was it that,.,Who was it that,Which book is it that,Whose nose is it that,A,10.,对,not,untill,进行强调,He didnt realize his fault until he graduated from high school.,It was not until he graduated from high school that he realize his fault.,11.,区分强调句型与从句,It was in the river,he often swam.,He came to the river,he often swam.,It was on Sunday,the,stranges,came to our village.,It was Sunday,the,stranges,came to our village,It is not until that,强调句型,that,Where,地点状语从句,that,强调句型,时间状语从句,when,12.,在强调句型中考查主谓一致,It was not luck but difficulties that,him success.,A.makes B.make,I think it is the sales manager,rather than the sales girl,who,to blame.,Is B.are,A,B,13.,强调句型中的,be,动词与情态动词的结合,It might have been John,bought it,gor,Mary yesterday.,What B.since C.that D.when,It may be next week,she leaves for London.,What B.since C.that D.when,C,C,14.,强调句型中含有名词性从句（主语从句，宾语从句，,I have forgotten,you put the dictionary.,A.that it was there,B.where was it that,C.that where it was,D,wher,it was that,It was at the beginning,Mr.Fox,made the decision,he should go for a visit to the chicken.,When which B.where that,C.then,so D.that that,D,D,15.,强调句型中含有定语从句,It was in the small house,was built with stones by his father,he spent his childhood.,which that B.that where,C.which,which,D.that which,It was playing computer games,cost the boy plenty of time,he ought to have spent doing his lessons.,A,that,when,16.,强调句型中含有状语从句,正因为他病了他才没有来。,It was because he was ill that he,didn,come.,正是她妈妈进来时她才开始哭的。,It was when her mother came in that she began to cry.,Thank you,