高中英语课件-it的用法市公开课一等奖百校联赛优质课金奖名师赛课获奖课件.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,*,*,*,本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。,Good morning,everyone!,1/27,It,is never too old to learn.,It,is easier to fall than to rise.,It,is no use crying over spilt(,溢出,),milk.,It,never rains but it pours(,泼水,).,Proverbs(,谚语,)with“It”,活到老,学到老。,摔倒轻易爬起来难。,覆水难收。,不鸣则已,一鸣惊人。,2/27,It,is easy to open a shop but hard to keep it always open.,It,takes three generations(,代,辈,)to make a gentleman.,创业轻易守业难。,十年树木，百年树人。,3/27,Grammar:Use of “,It,”,4/27,2025/7/13 周日,课文原句再现,1.,It,s a beautiful day here and I am sitting under the big tree at the end of the garden.,2.Your mother tells me that you started smoking some time ago and now you are finding,it,difficult to give it up.,3.Believe me,I know how easy,it,is to begin smoking and how tough,it,is to stop.,5/27,The use of“it”,1.用作人称代词，代表前面提到人或事物。,Whos it?_me.,Look at the picture._is a picture of our school.,Its,It,2.用于代替指示代词,this,和,that,。,-Is this jacket yours?,-Yes,_is.,it,6/27,Read and analyze the following sentences.,It,is Friday today.,It,was very cold last Monday.,It,is about 8:30 now.,It,is about 25km from Longxian to Bazi.,It,lies in the south of Shaoguan city.,It,is 40C!You got a high fever!,Conclusion:it,能够用作,非人称代词,，表示,_,_,_,_,_,_,等。,Date,weather,time,distance,place,Temperature,日期,天气,时间,距离,地点,温度,7/27,e.g:_,a.Jim is at the door,_wants to see you,b.Someone is at the door,_must be Jim,A.That,It B.It,He C.He,It D.Who,He,普通说来，在指代身份或性别明确人时，通常要依据情况用代词,he,she,；若是指代身份或性别不明人，则用代词,it,Back,C,8/27,1.I cant find my pen.Im going to buy _.,2.,Life today is better than _ in the old days,.,3.,I cant find my pen.I must have lost _.,_,用来指代前面提到可数名词，所指是事物本身；,_,则用来替换前面出现过可数名词，泛指，指一类事物中一个,.,_,用来代替不可数名词或单数可数名词，特指。,one,that,it,it,one,that,9/27,It,作为形式主语,当不定式、动名词、从句等用作句子主语时，为保持句子平衡，通常把真正主语放在句末，而在句首使用形式主语,it.,10/27,2025/7/13 周日,e,g:,It is illegal,（,for a teenager,）,to drive a car without a,license,.,It is necessary for you to give him a letter.,Conclusion,：,在句,1,和句,2,中,it,作用是,_,真正主语是,_,。,形式主语,不定式短语,（,1,）,It,+,be,+,adj.,+（,for sb.,）,to do sth.,此处,adj.,通常为描述,事件,形容词：,easy,，,difficult,，,hard,，,necessary,，,impossible,，,likely,，,right,，,wrong,，,important,，,obvious,，,useful,，,useless,，,dangerous,11/27,2025/7/13 周日,（,2,）,It,+,be,+,adj,+,of sb.to do sth,此处,adj.,通常为描述,人,形容词：,kind,，,unkind,，,nice,，,rude,，,cruel,，,considerate,，,careless,，,foolish,，,stupid,，,wise,，,crazy.,e,g:,1,.,Its kind,of,you to help me with the problem.,某人做某事某人是,.,2 Its foolish,of,you to quit your job now.,12/27,2025/7/13 周日,3.It,is no good,crying over spilt milk,.,4.It,is no use,casting pearls before swine,.,在句,3,与句,4,中，,it,作用是,_,真正主语是,_.,形式主语,动名词短语,组成以下结构：,It is+no use/no good/not any good/not any use+doing sth.,13/27,Read and analyze the following sentences.,It,is obvious,that the water was to blame,.,Is,it,possible,that he will become the chairman of our country,?,It,is amazing,that at my age I still look like a student!,Analysis,：,it,是,_ ,句子真正主语是,_,形式主语,that,引导主语从句,Conclusion,：,It is+_+that,从句,adj.,14/27,跟踪训练,1,：,It is+adj.+that,从句,很显著他已经知道了那个坏消息,。,姚明篮球比易建联打得好是必定。,It is obvious that he has known the bad news.,It is certain that Yaoming plays basketball,better than Yijianlian.,15/27,It is said that,听说,It is reported that,It is supposed that,It is hoped that,It is well known that,据报导,据推测,希望,众所周知,普遍认为,有些人提议,It is said,(reported.),that.,It is suggested that,It is generally considered that,该句型中,it,仍是形式主语，真正主语是,that,引导主语从句。,16/27,1.,吸烟危害健康，这是事实。,2.,恰巧我们在同一间大学,。,3.,听说日本发生了地震。,4.,有些人提议他应该立刻戒烟。,It is a fact that,smoking does harm to,health.,It happens that,we are in the same college.,_ there is an earthquake in Japan.,It is said that,_,he should quit smoking at once.,It is suggested that,17/27,二、,it,作形式宾语,18/27,1,.,I found,it,very interesting to study,English.,我发觉学英语非常有趣。,2,.,I think,it,no use arguing with him.,我认为和他争吵没有用。,3,.,He made,it,clear that he was not,interested,in this subject.,他非常清楚地表示他对那门学科不感兴趣。,小结：,it,在句中充当,_,，真正宾语能够由,_,以及,_,短语充当。,还能够由,_,引导宾语从句充当。,不定式,动名词,that,形式宾语,19/27,总结：,当复合宾语中宾语是不定式、动名词宾语从句时,往往把真正宾语放在它补足语后面，而用,it,作形式宾语,放在宾语补足语之前。,该句型中,it,作形式宾语,惯用动词有,think,believe,make,find,consider,feel,等。,20/27,在一些固定使用方法中考查,常见固定使用方法有,:,make it,forget it,believe it or not,Dont mention it,It doesnt matter,It(That)depends,Got it,Its hard to say,Its up to you to do sth.,take it/things easy,成功，做到，赶上等,别提了，忘了它吧,信不信由你,别提了，表示不用谢,没关系,视情况而定,明白了，懂了,极难说,由你来决定做某事,不要慌，别担心，沉住气,21/27,Rewrite the sentences using an“it”structure.,1 Giving up smoking is difficult.(It is),2 Most people believe smoking causes cancer,.(,It is believe that),3 Dont try to quit on a stressful day.(Its no use),4 you could suffer from bad health if you keep smoking.(It is likely that),It is difficult to give up smoking,.,It is believed that smoking causes cancer,.,It is no use trying to quit on s a stressful day,.,It is likely that you could suffer from bad health if you keep smoking.,22/27,One midnight,was raining heavily.Mary was lying in bed.She couldnt fall sleep.Suddenly,she heard someone knocking at the door.“Who is,?”She asked.She looked at the clock hung on the wall.,was striking two.“,is me.”One man answered.“,was impossible for him to appear here.”she thought.“John?Is_,you?”“Yeah,!,is me”the man answered.,She rushed to open the door.John was just standing in front of her.He said to Mary excitedly,“I missed the plane.,was said that the plane,I would take crashed down three hours ago.It was in that plane,I,should have gone to New York.After this,I think,clearly that I love you so much,I want to be marry you.”,it,it,It,It,It,It,It,it,that,that/which,that,that,Fill in the blanks,23/27,Translation,1.,是到戒烟时候了。,(quit),It is time to quit smoking.,2.,让人诧异是在我这个年纪我依然,这么健康。,(It is amazing that.),It is amazing that at my age I am,still so fit.,24/27,It seems strange that the man who had,delevoped communism should have,lived and died in London.,3.,一旦你吸烟上了瘾,你会发觉要把它戒掉,极难。,(addict.to;tough),Once you are addicted to smoking,you,will find it tough to give it up.,4.,这似乎是一件怪事：这位发展了共产主义,人竟然在伦敦生活过，而且在伦敦逝世。,25/27,5.I (,认为有必要,)to take plenty of hot water every day.(think),6._(,听说,)the professor has already succeeded in carrying out this expriment.(say),7._to have succeeded(,已成功,),in carrying out this expriment.(succeed),8._,It is likely for me,_(,我可能能够,)to leave a message for her.(possible),9._,It is likely that,_(,很可能,)the thieves dont know how much it is worth.(likely),10,._It is no use comlaining,_(,埋怨是毫无用处,),，,and they never listen.(use),think it necessary,It is said that,The professor is said,26/27,it,代词,人称代词,指示代词,非人称代词,引导词,it,用在强调句中,it,用作形式主语,it,用作形式宾语,小结：,27/27,