人教版 高中选修六第三单元语法——it的用法(1).ppt

1、The usage of “It”,武汉市新洲区新洲二中 英语组 张元利,Its 10:08,Its lovely,It weighs only 3 kilos,Its a large sum of money,_ was a sunny day. Jack wanted to make an appointment with Rose. They decided to go for a walk to the park, though _ was two miles away. _ was comfortable to walk on the street.,it,It,It,Suddenl

2、y _began to rain. They found _ hard to walk there. Then they took a bus home. Unfortunately _ went wrong. When they got home, they were wet through. Thus _ was a day that they would never forget.,it,it,it,it,The Usage of “it”,基本用法,常见用法 特殊用法,三个句型,三个句型,形式宾语,形式主语,学习纲要,固定用法,1.基本用法:,1.it作人称代词 1.1.it的最基本用

3、法是作人称代词，主要指刚提到的事物，以避免重复: 1.2.也可以指动物或婴儿(未知性别的婴儿或孩子): 1.3.也可指抽象事物:,1.基本用法:,2.非人称代词it 2.1.指天气： 2.2.指时间: 2.3.指环境:,BACK,3.作指示代词:可用来代替this ,that., possible It is / was + adj. necessary + ( for sb. ) to do sth. / clause important （of sb.） , ones duty It +is /was + n. a pity + ( for sb. ) to do sth. / that

4、an honour , said/reported/noticed It is / was p.p + that-clause suggested/ordered ,2. it 用作形式主语,学习大纲,逻辑主语的特性,that 从句虚拟语气,that 从句虚拟语气,that 从句虚拟语气,2. it 用作形式主语,1). It takes sb. . to do sth. 做要花费某人 2). It is kind to do sth. 3). It is necessary to do sth 4).It +is /was + a pity to do sth.,2.1 作形式主语替代不定式

5、,( of sb. ),( for sb. ),( for sb. ),It is no good (use ) doing sth. 该句型中的真正主语是动名词短语，主句中的表语可以是no good,( not any good ),no use,( not any use ),no fun, useless,a waste of time d+doing sth.,2.2.作形式主语替代ing形式,2. it 用作形式主语,It is no good learning English without speaking English.,1）It is + adj. +that从句 It i

6、s clear ( obvious,true,possible,certain.) that . “清楚（显然，真的，肯定）” . It is important ( necessary,right,strange,natural.) that .,2. it 用作形式主语,2.3 代替主语从句,2）It is +v-ed +that 从句 It is said (reported， learned.) that . 据说（据报道，据悉）“。,. It is suggested ( ordered/demanded/insisted/ commanded. ) that .,3) It hap

7、pens (seems， looks， appears ) that.,4）It is a pity ( a shame . ) that .,5) It is time ( about time ，high time ) that ., It is the first ( second . ) time that . It was the first ( second . ) time that .,2. it 用作形式主语,BACK,6指主句中常用的动词：think,believe,make,find,consider,feel； 1指的是形式宾语it； 2指的是宾补的两种形式：形容词或名

8、词； 3指的是真正宾语的三种形式：不定式短语，动名词短语或that引导的宾语从句。,3. it作形式宾语,We think it important to learn a foreign language.,it 作形式宾语，称该句型为6123结构。,1. He feels it his duty to help others. 2. He made it clear that he didnt want to talk about it. 3. He felt it no use learning English without speaking it.,他觉得帮助别人是他的职责。,他明确他

9、不想谈论它。,他觉得学习英语不说它是没有用的。, find possible S+ think + it + necessary +( for sb. ) to do sth. /clause feel important ,学习小结, a rule 2. S+ V + it + ones duty + ( for sb. ) to do sth. /clause an honour ,3. S + V + it + no good + doing sth. no use,BACK,4. 固定用法,常见的固定用法有: How is it with your study? 学习好吗？ Thats

10、 it . 这就对了。 It went hard with him. 他身遇不幸。 It is all over with me. 我完蛋了。 We must fight it out.我们必须坚持到底。 I cant help it. 我没有办法。,make it 成功，安排在或定在某时间 forget it 别提了，忘了它吧 Dont mention it 别提了，表示不用谢 It doesnt matter 没关系 It(That) depends 视情况而定 You guessed it 你猜着了 Its hard to say 很难说 Its up to you to do sth.