11it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.ppt
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1、The use of “It”, 1.it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,以避免重复: Ningbo is a beautiful city, isnt it? 1.2.也可以指动物或婴儿(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: It was a great surprise to me when he did a thing like that 2.非人称代词it it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it: 2.1.指天气: It is a lovely
2、day, isnt it? It is a bit windy.,2.2.指时间: It was nearly midnight when she came back. 2.3.指环境: It was very quiet in the caf. 2.4.指距离: It is half an hours walk to the city centre. 3.it的其他用法 3.1.表示谁在做某事的句子: 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: So you are going to
3、 be married this time?When is it? It doesnt matter. It is a shame, isnt it?,.it的重要句型 1. It is + 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,其它部分置于that之后,被强调部分可以是主语,宾语,表语或状语,强调的主语如果是人,that可以由who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它从句的方法。 It was about 600 years ago that the first clock with a face and an
4、hour hand was made. It was they that (who ) cleaned the classroom yesterday. It was in the street that I met her father.,2. It is not until + 被强调部分 + that . 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,可以说是 not . until . 的强调形式。 It was not until she took off her dark glasses that I realized she was a famous film sta
5、r. = Not until she took off her dark glasses did I realize she was 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it 是形式主语,真正的主语是that 引导的主语从句,常译为清楚(显然,真的,肯定) 是主语从句最常见的一种结构。 It is very
6、 clear that hes round and 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,that 后的从句中要用虚拟语气(should + 动词原形),should 可以省去,建议记住该句型中的形容词。 It is important that we (should) learn English well. I
7、t is necessary that he (should) remember these words. 5. It is said (reported, learned) that . 该句型中的it 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 orbit.,6. It is suggested ( ordered /demanded/insist
8、ed/commanded. ) that . 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,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.,7. It is a pity ( a shame . ) that . 该句型中,that后的从句一般用虚拟语气(should + 动词
9、原形),should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。 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! It is a pity that he is ill. 他生病了,真遗憾! 8. It is time ( about time ,high time ) that . 该句型中that 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 有时也用should + 动词原形,should 不能省,常译为是(正是)的时侯 It is ti
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