教育精品:教育精品:it的用法.ppt
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1、IT 用法用法(the usage of“it”)1.it作人称代词作人称代词1.1 Ningbo is a beautiful city,isnt it?1.2 Is this your dog?No,it isnt.1.3 It was a great surprise to me when he did a thing like that2.非人称代词非人称代词it2.1 It is a lovely day,isnt it?2.2 It was nearly midnight when she came back.2.3 It was very quiet in the caf.2.4
2、 It is half an hours walk to the city centre.3.it的其他用法的其他用法3.1 Who is it?-Its me.3.2 It doesnt matter.找出课文中含有it的句子v1.It seems amazing that at my age I am still enough to cycle 20 kilometers.v2.You are finding it difficult to give it up.v3.How easy it is to begin smoking and how tough it is to stop.v
3、4.It was very difficult to quit.v5.It was more difficult for smoking couples to become pregnant.1.It is clear(obvious,true,possible,certain.)that.v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 引导的主语从句,常译为引导的主语从句,常译为“清楚(显然,真清楚(显然,真的,肯定)的,肯定)”是主语从句最常见的是主语从句最常见的一种结构。一种结构。vIt is very clear that hes tall like
4、a tree.2.It is important(necessary,right,strange,natural.)that.v该句型和上一个同属一个句型;由于主句中该句型和上一个同属一个句型;由于主句中的形容词不同,的形容词不同,that 后的从句中要用虚拟语后的从句中要用虚拟语气(气(should+动词原形),动词原形),should 可以省可以省去,建议记住该句型中的形容词。去,建议记住该句型中的形容词。vIt is important that we(should)learn English well.3.It is said(reported,learned.)that.v该句型中的
5、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 引导的主语从句;该结构常译为引导的主语从句;该结构常译为“据说据说(据报道,据悉)(据报道,据悉)”。vIt is said that he has come to Beijing.4.It is suggested(ordered/demanded/insisted/commanded.)that.v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
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