The use of It 新课标 人教.ppt
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1、The use of“It”1.it作人称代词作人称代词1.1.it的最基本用法是作人称代词,主要指刚提到的事物,的最基本用法是作人称代词,主要指刚提到的事物,以避免重复以避免重复:Ningbo is a beautiful city,isnt it?1.2.也可以指动物或婴儿也可以指动物或婴儿(未知性别的婴儿或孩子未知性别的婴儿或孩子):Is this your dog?No,it isnt.1.3.也可指抽象事物也可指抽象事物:It was a great surprise to me when he did a thing like that2.非人称代词非人称代词itit有时并不指具体
2、的东西,而泛指天气、时间、环境等,有时并不指具体的东西,而泛指天气、时间、环境等,称为非人称的称为非人称的it:2.1.指天气:指天气:It is a lovely day,isnt it?It is a bit windy.2.2.指时间指时间:It was nearly midnight when she came back.2.3.指环境指环境:It was very quiet in the caf.2.4.指距离:指距离:It is half an hours walk to the city centre.3.it的其他用法的其他用法3.1.表示谁在做某事的句子:表示谁在做某事的句
3、子:Who is it?-Its me.Her face lighted when she saw who it was.3.2.用来泛泛的指某件事:用来泛泛的指某件事:So you are going to be married this time?When is it?It doesnt matter.It is a shame,isnt it?.it的重要句型的重要句型1.It is+被强调部分被强调部分+that.该句型是强调句型。将被强调的部分放在前面,该句型是强调句型。将被强调的部分放在前面,其它部分置于其它部分置于that之后,被强调部分可以是主语,之后,被强调部分可以是主语,宾
4、语,表语或状语,强调的主语如果是人,宾语,表语或状语,强调的主语如果是人,that可可以由以由who换用。如果把这种句型结构划掉后,应该换用。如果把这种句型结构划掉后,应该是一个完整无缺的句子;这也是判断强调句型与其是一个完整无缺的句子;这也是判断强调句型与其它从句的方法。它从句的方法。It was about 600 years ago that the first clock with a face and an hour hand was made.It was they that(who)cleaned the classroom yesterday.It was in the str
5、eet that I met her father.2.It is not until+被强调部分被强调部分+that.该句型也是强调句型。主要用于强凋时间状该句型也是强调句型。主要用于强凋时间状语,译成汉语直到才,可语,译成汉语直到才,可以说是以说是 not.until.的强调形式。的强调形式。It was not until she took off her dark glasses that I realized she was a famous film star.=Not until she took off her dark glasses did I realize she wa
6、s a famous film star.=I didnt realize she was a famous film star until she took off her dark glasses.3.It is clear(obvious,true,possible,certain.)that.该句型中该句型中it 是形式主语,真正的主语是是形式主语,真正的主语是that 引引导的主语从句,常译为清楚(显然,真的,导的主语从句,常译为清楚(显然,真的,肯定)是主语从句最常见的一种结肯定)是主语从句最常见的一种结构。构。It is very clear that hes round and
7、 tall like a tree.=That hes round and tall like a tree is very clear.4.It is important(necessary,right,strange,natural.)that.该句型和上一个同属一个句型;由于主句中的形容词不同,该句型和上一个同属一个句型;由于主句中的形容词不同,that 后的从句中要用虚拟语气(后的从句中要用虚拟语气(should+动词原形),动词原形),should 可以省去,建议记住该句型中的形容词。可以省去,建议记住该句型中的形容词。It is important that we(should)l
8、earn English well.It is necessary that he(should)remember these words.5.It is said(reported,learned.)that.该句型中的该句型中的it 仍是形式主语,真正主语是仍是形式主语,真正主语是that 引导的主语引导的主语从句;该结构常译为据说(据报道,据悉)。从句;该结构常译为据说(据报道,据悉)。It is said that he has come to Beijing.It is reported that another earth satellite has been put into o
9、rbit.6.It is suggested(ordered/demanded/insisted/commanded.)that.该句型和上一个同属一个句型,主句中的过该句型和上一个同属一个句型,主句中的过去分词是表示请求,建议,命令等词时,去分词是表示请求,建议,命令等词时,that后的从句要用虚拟语气(后的从句要用虚拟语气(should+动动词原形),词原形),should 可以省;常译为据建议;可以省;常译为据建议;有命令)有命令)It is suggested that the meeting(should)be put off.It was ordered that we(shoul
10、d)arrive there in two hours.7.It is a pity(a shame.)that.该句型中,该句型中,that后的从句一般用虚拟语气(后的从句一般用虚拟语气(should+动动词原形),词原形),should可省去表示出乎意料,常译为竟可省去表示出乎意料,常译为竟然。没有这种意义时,则不用虚拟语气。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.这种事竟然发生在你们班上,真是遗憾!这种事竟然发生在你们班上,真是遗憾!It is a pity that he
11、is ill.他生病了,真遗憾!他生病了,真遗憾!8.It is time(about time,high time)that.该句型中该句型中that 后的从句应该用虚拟语气,值得注意的是后的从句应该用虚拟语气,值得注意的是 常用过去时态表示虚拟常用过去时态表示虚拟 有时也用有时也用should+动词动词原形,原形,should 不能省,常译为是(正是)的时不能省,常译为是(正是)的时侯侯 It is time that children should go to bed.=It is time that children went to bed.9.It is the first(seco
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