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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,的特殊用法小结,应用学科：英语,应用学段：高中通用,It的特殊用法小结应用学科：英语,1,CONTENTS,01,02,03,04,目录,人称代词,非人称代词,形式主语、形式宾语,其他用法,CONTENTS01020304目录人称代词非人称代词形式主,2,人称代词,1.,基本用法，指代无生命的或者动物“它”,2.,指代不知道性别的婴儿,人称代词1.基本用法，指代无生命的或者动物“它”2.指代不知,3,非人称代词,非人称代词,4,指时间,指日期,指距离,指,天气,It was nearly midnight when she came back.,It is a lovely day,isnt it?,It is April First today.,It is some 3000 kilometers from Beijing to Guangzhou.,非人称代词,指价值,指温度,It is three dollars.,Today it is 30 degrees,centigrade.,指时间指日期指距离指天气It was nearly midn,5,形式主语、形式宾语,形式主语、形式宾语,6,It be+,said (,reported/believed/known/told,/thought,/,hoped,)+that,从句,常译为据说（据报道）,important(necessary,，,right,，,strange,，,natural.)that,clear(obvious,true,possible,，,certain.),that,从句,作形式主语，替代主语,从句,It is very clear that hes round and tall like a tree.,It is necessary that he(should)remember these words.,It is said that he has come to Beijing.,suggested(advised/ordered/demanded/insisted/,commanded,.)that,从句,.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 be+said (reported/believed,7,其他用法,其他用法,8,1.It is time(about time,、,high time)that,从句,(,虚拟语气动词用,did/had done/should do),It is time that children went to bed.,It is time you bought a new car.,It is(high)time you made up your mind.,2.It,is,the first(second.)time that,从句,(,从句用现在完成时,have done,),It,was,the first(second.)time that,从句,(,从句用过去完成时,had done,),常译为是第一（二）次。,It is the first time I have been here.=This is the first time I have been here.,3.It is no good/no use/useless doing sth.,常译为“有好处或没有用”,It is no good learning English without speaking English.,Its useless trying to argue with Shylock.,1.It is time(about time、hig,9,It,takes sb.,.,to do sth,.,It,is kind(of sb.),to,do sth.,It,is necessary,(,for sb.)to do sth.,.,不定式的逻辑主语是由,of,引起，主句中的形容词必须是能表示逻辑主语特征的褒义或贬义形容词。常见的词有：,bad,brave,，,careless,，,clever,，,cruel,，,foolish,，,good,（好心的），,honest,，,horrible,，,kind,，,lazy,，,modest,，,naughty,，,nice,（有教养的），,polite,，,rude,，,silly,，,stupid,，,wise,，,wrong,（错误的）等。,这个句型可以改写为：,sb.is kind to do sth.,如,:It is kind of you to say so.=You are kind to say so.,不定式的逻辑主语是由,for,引起，主句中的形容词通常是表示重要性，紧迫性，频繁程度，难易，安全等情况的中性形容词。,常见的形容词有：,important,，,necessary,，,natural easy,，,safe,，,common,，,normal,，,hard,，,difficult,，,dangerous,，,unusual,，,rare,，,impossible,，,pleasant,如,:It is important for her to come to the party.=It is important that she(should)come to the party.,It took thousands of people many years to build the Great Wall,.,作形式主语替代,不定式,It takes sb.It,10,作形式主语替代动名词,短语,It is no good/no use/useless doing sth.,常译为“有好处或没有用”,It is no good learning English without speaking English.,Its useless trying to argue with Shylock.,作形式主语替代动名词短语It is no good/no,11,作形式宾语,该句型中的,it,作形式宾语，该结构中常用的动词有：,think,believe,make,find,consider,feel,如,We think it our duty to clean our classroom every day.,He felt it important learning English well.,They found it difficult that they would finish their work in two days.,The Internet makes it easier for companies to keep in touch with customers.,作形式宾语该句型中的it 作形式宾语，该结构中常用的动词有：,12,重要句型,重要句型,13,1.,强调句型,It is/was,被强调部分,+that,从句,(,被强调的主语如果是人，,that,可以由,who,换用,),It is not until+,被强调部分,+that.,It was they that(who)cleaned the classroom yesterday.,It was not until she took off her dark glasses that I realized she was a famous film star.,重要句型,1.强调句型It is/was 被强调部分+that 从句,14,巩固提升,巩固提升,15,单句改错,1.It took us over an hour,walk,along the street.,2.I think it a great honour,to invite,visit your country.,3.Many people now make that a rule to buy cards for their friends before Christmas.,4.What is very clear to everyone that hes round and tall like a tree.,巩固提升,单句改错巩固提升,16,THANKS,THANKS,17,
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