公開課bookunit it的用法課件

1、公開課bookunit it的用法,1,Learning Objectives(學(xué)習(xí)目標): By the end of this period, you will have been able to : 1.learn the basic use of it; 2. use it correctly and properly.,Book6 unit3 Grammar,The use of “it”,公開課bookunit it的用法,2,Self-study,請觀察下列句子，看看各句中的it各指代什么，有何共同特征？,it用作人稱代詞：指代上文提到的_ (例如句_)或_(例如句_)。,小結(jié)1

2、,事物,人,1. Whos it? It is me. 2.Look at the picture. It is a picture of our school.,2,1,公開課bookunit it的用法,3,3. Whose umbrella is that? Its Marys. 4. Whats this? Its a rose.,it用作指示代詞：指代上文提到的_ (例如句_)或_(例如句_)。,that,3,this,4,小結(jié)2,公開課bookunit it的用法,4,5.It is half past eight now. 6.Its only half an hours wal

3、k from here to our school. 7. It is Friday today. 8. It was a raining day . 9. Its spring now. 10. Its quiet inthecaf. 11.It lies in the south of Shaoguan city. 12. It is 40C ! You got a high fever!,Time,Distance,Weather,date,Season,Circumstance,it用作非人稱代詞：指代上文提到的_、_、_、_、_、_ _等。,place,temperature,小結(jié)3

4、,時間 距離,日期 季節(jié) 環(huán)境 地點 溫度,公開課bookunit it的用法,5,Self-test1 Match the function of “it”,Whats this? It is a box of apples. It rained for three days. A tall man stood up and shook hands. It was Mr. Li. I hear you bought a new bike. Can you show it to me? Its three miles from here to the nearest garage. It wa

5、s five oclock when we got back home yesterday.,A.指天氣 B.指時間 C.替代前面提到的事物 D.替代前面提到的人 E.指距離 F.指代this/that,A,F,D,C,E,B,公開課bookunit it的用法,6,1.it指代同名同物,特指 “這個”。 The story is interesting and I like it. 2. that指代同名異物 ，為特指, 相當于the 名詞 。 The umbrella you bought is cheaper than that I bought. 3. one指代同名異物 ，為泛指。相

6、當于aan名詞 This dictionary is useful, so I want one. 1. I cant find my watch. You havent found _?If you want to buy a new_. 2. The population of China is larger than_ of any other country. 3. Im looking for a house. Id really like _ with a garden.,區(qū)別 it, that, one,one,it,that,one,公開課bookunit it的用法,7,13

7、.It is hard for him to finish the job tonight. 14.It is kind of you to help me with the problem. 15.It is no good cheating in the exam. 16.It was reported that a car accident happened. 17.It was obvious that he told a lie. 18.It is a pity that he is ill.,it用作形式主語，替代作主語的從句(例如句_)、動詞不定式(例如句_) 、動詞-ing短語

8、(例如句_) ，而把真正的主語置于句尾。,16-18,13-14,15,小結(jié)4,形式主語,真正的主語,公開課bookunit it的用法,8,1) It be adj. (for sb.) to do sth. 此處adj. 通常為描述事件的形容詞: easy, difficult, necessary, important, possible, dangerous, useful, useless,2) It be adj. of sb. to do sth. 此處adj. 通常為描述人的形容詞: kind , nice, rude, polite,careful, careless,foo

9、lish, clever, wise, crazy,3) It is + noun + 從句,It is a pity (a shame /an honor /a good thing/ a fact /a surprise/. ) that .,公開課bookunit it的用法,9,4)Its no good/ use/pleasure doing It is no use cheating in the exam.,It is clear ( obvious, true, possible, certain ) that .,5)It is adj. + 從句,It is said (r

10、eported/believed.) that .,6)It is v-ed that,公開課bookunit it的用法,10,it用作形式賓語，替代不定時，動詞-ing短語或從句表示的真正賓語。常用的動詞有think, believe, make, find, consider, feel等。 sb think/ believe/make it + adj /n + to do/ doing/ clause,19.I think it no use arguing with him. 20.I found it very interesting to study English. 21.H

11、e made it clear that he would not go there.,小結(jié)5,公開課bookunit it的用法,11,Self-test2 Rewrite the sentences use “it”. 用it改寫下列句子,1.To give up smoking is difficult. 2. Learning without thinking is no use. 3. that you didnt see such a film was a pity.,4. We think that it is our duty to clean classroom every

12、day. We think _ _ _ to clean classroom every day. 5. He felt that learning English well was important . He felt _ _ _ English well. 6. They found that that they would finish their work in two days was difficult. They found _ _ that they would finish their work in two days.,It is difficult to give up

13、 smoking.,It is no use learning without thinking.,It was a pity that you didnt see such a film.,it our duty,it important learning,it difficult,公開課bookunit it的用法,12,Practice,必做： 1.填空 2.劃出P18-19文章中含 “it”的句子,并指出it 的用法。 選做： 翻譯,公開課bookunit it的用法,13,Fill in the blanks with proper words. (必做) 1. They have

14、made _ a rule _(not smoke) in the room. 2. _ worried her _ her hair was turning grey. 3. It _(know) to all that the UK consists of four countries. 4.Today is a beautiful day. _ today. 5. I hope to have a computer, but I cant afford to buy_. 6. It is no use _(try) to persuade him because he wont take

15、 your advice. It is useless _(try) to persuade him because he wont take your advice.,trying,it,not to smoke,It,that,known,It is a beautiful day,one,to try,公開課bookunit it的用法,14,1)It is a beautiful day here and I am sitting under the big tree at the end of the garden. ( Line 1) 2)It seems amazing that

16、 at my age I am fit enough to cycle 20 kilometers in an afternoon. (Line2) 3)Its my birthday in two weeks time. (Line 3) 4)Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up.(Line 7),形式主語,非人稱代詞(time),人稱代詞(代替前面提到的smoking),非人稱代詞(weather),形式賓語

17、,劃出P18-19文章中含 “it”的句子,并指出it 的用法(必做),公開課bookunit it的用法,15,5)Believe me,I know how easy it is to begin smoking and how tough it is to stop. (Line 8) 6)It was time to quit smoking. (Line 27) 7)It might help you to stop and strengthen your resolve. (Line 29) 8)It is not easy to stop smoking. (Line 1,Page 19),非人稱代詞 (time),形式主語,人稱代詞(指代前面提到的advice),形式主語,公開課bookunit it的用法,16,Translate the sentences with it.（選做） 1.我的書不見了，到處都找