it用法公开课p学习教案

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1、会计学1it用法用法(yn f)公开课公开课p第一页，共30页。第1页/共30页第二页，共30页。代词代词(dic) it引导引导(yndo)词词 itIt句型句型(j xn)归纳归纳 Sentences With “it”第2页/共30页第三页，共30页。 1. 做人称代词，代替前文提到做人称代词，代替前文提到(t do)过的事物。过的事物。代词代词(dic) itYou body becomes accustomed to having nicotine in it. 2. 用以代替指示(zhsh)代词this, that。- Whose text-book is that? - Its

2、hers.- Whats this?- Its a flag. As you know, if you do the same thing over and over again, you begin to do it automatically. 3. 用以代替未知的人或婴儿。用以代替未知的人或婴儿。 Someone is knocking at the door. Go and see who it is. your body the thing第3页/共30页第四页，共30页。 4. 做非人称代词，指代做非人称代词，指代(zh di)时间、天时间、天气、距离、环境、季节、日期、价值等。气

3、、距离、环境、季节、日期、价值等。Its time for class. It is summer now and it gets hotter and hotter.Its about two kilometers from here to my home.It is very quiet in our classroom every night. 代词代词(dic) it -Whats the date today? -Its May 15, 2013.-Whats the cost of the T-shirt?-It is 150 yuan.时间时间(shjin)天气天气距离距离环境环

4、境季节季节日期日期价值价值第4页/共30页第五页，共30页。 It was a sunny day. Peter decided to go for a walk to the park even though it was 2 miles away. He was just about to leave the house when someone knocked at the door. “Who is it?”,he thought. When he opened the door, he found nobody but a note on the ground. He picked

5、it up and read. It is surprising that the note should have been given to his neighbour. the use of it天气天气(tinq)距离距离(jl)未知的人未知的人形式形式(xngsh)主语主语note第5页/共30页第六页，共30页。2、It is no good smoking.3、It is am amazing that at my age I am still fit.真正真正(zhnzhng)主语主语真正真正(zhnzhng)主语主语形式形式(xngsh)主语主语形式主语形式主语真正主语真正主

6、语形式主语形式主语= To walk on the street was so comfortable.= Smoking is no good.= That at my age I am still fit is amazing.1、It was so comfortable to walk on the street.引导词引导词 it Summary： it作作形式主语形式主语，代替由不定式（或不定式复，代替由不定式（或不定式复合结构）、动名词或从句表示的真正主语。合结构）、动名词或从句表示的真正主语。第6页/共30页第七页，共30页。 此处此处adj. 通常通常(tngchng)为描述

7、人的形容词：为描述人的形容词：kind; rude; silly， careful; careless; foolish; stupid; clever; wise. Its kind of you to help me with the problem.（1）It is+ adj.+（for sb.）to do sth. 此处此处adj. 通常通常(tngchng)为描述事件的形容词为描述事件的形容词：easy; hard; difficult; necessary; likely; impossible; important; useful; dangerous It is importa

8、nt for a teenager to learn English well.（2）It is + adj. + （of sb.） to do sth.= to learn English well is important to for a teenager= You are kind to help me with the problem.第7页/共30页第八页，共30页。（3）It is + 名词名词(mng c) + to do sth.常用常用(chn yn)的名词有：的名词有：fun; pity, shame, pleasure.不可数名词不可数名词It is a shame t

9、o be late for classIt is a pleasure to have the chance to help you.(5) Its no good/use doinge.g. Its no use crying over spilt milk.(4) It takes Sb. some time to do. e.g. It took me 3 days to prepare this lesson.第8页/共30页第九页，共30页。 常见常见(chn jin)的的adj.有有:possible;clear;obvious;true,etc It is very clear

10、that he grows like a tree. (1) It is + adj. + that 从句从句(cn j)(3) It is + v-ed + that 从句从句(cn j) It is said (reported/believed/ thought/known/ told/ suggested.) that . 译为译为“据说（据报道，据悉据说（据报道，据悉）”。 It is said that he has gone to Beijing. It is reported that Chairman Xi will visit Hangzhou. (4) It happen

11、s/ seems/appears+ that 从句从句It seems that there is no way out of our difficulty.(2) It is + n. + that 从句从句 常见的常见的n.有有:a shame; a pity, a fact,etc It is a pity that you missed the football match. 第9页/共30页第十页，共30页。 作形式宾语，代替由不定式、动名词或从作形式宾语，代替由不定式、动名词或从句句(cn j)表示的真正宾语。表示的真正宾语。He feels it his duty to help

12、 others.We thought it no use doing that.引导引导(yndo)词词 - it He made it clear that he was not interested in this subject. 他非常清楚地表示他非常清楚地表示(biosh)他对那门学科不感他对那门学科不感兴趣。兴趣。注意注意：常用的动词有：常用的动词有think, believe, make, find, consider, feel等。等。 第10页/共30页第十一页，共30页。 在动词在动词appreciate, dislike,hate，like, love等等后面后面(hu

13、mian)代替代替if或或when等引导的从句。等引导的从句。I would appreciate it if you can come.it 代替代替if引导引导(yndo)的宾语从句。的宾语从句。第11页/共30页第十二页，共30页。1. Giving up smoking is difficult. It is 2. Some young people think they look attractive when they smoke. It seems 3. Most people believe smoking causes cancer. It is believed4.Dont

14、 try to quit on a stressful day. It is no use that smoking causes cancer that some young people think they look attractive when they smoke.difficult to give up smoking.trying to quit on a stressful day. 1、用、用it句型句型(j xn)改写句子，意思不变。改写句子，意思不变。第12页/共30页第十三页，共30页。5. China produces one third of the worlds

15、 cigarettes. It is astonishing 6. You are not allowed to advertise cigarettes in this country. It is illegal 7. My father has quit smoking at last. It is wonderful8. The night was dark and stormy when the old man started his journey. It was a 9.You could suffer from bad health if you keep smoking. I

16、t is likely 10.You have to take pills to control your blood pressure. It is necessary that China produces one third of the worlds cigarettes.to advertise cigarettes in this country.that my father has quit smoking at last.dark and stormy night when the old man .that you could suffer from bad health i

17、f .for you to take pills to control your .第13页/共30页第十四页，共30页。 2、用、用it句型句型(j xn)把把A句转换为句转换为B句，意思句，意思不变。不变。1. A.To keep order in an important football match is a hard job for the police. B_ _ _ _ _ for the police to keep order in an important football match.2A.To recite the passages in New Concept Eng

18、lish is an effective way in English study. B. _ _ _ _ _ in English study to recite the passages in New Concept English.It is a hard jobIt is an effective way 3. A.I meant that you might go without me, but I didnt make that clear. B.I didnt _ _ _ that you might go without me. 4A. Memorizing 20 Englis

19、h words a day is easy for me. B.I find _ _ _ _20 English words a day.make it clearit easy to memorize第14页/共30页第十五页，共30页。5A.Who will take us to visit the nature park hasnt been decided yet. B._ _ _ _ _ who will take us to visit the nature park.6A.He gets up early and runs around the playground for ha

20、lf an hour every day.He has made that a rule. B.He has made _ _ _ _ _ _ _ and run around the playground for half an hour every day.It hasnt been decided yet it a rule to get up early 7A.A fire is reported to have taken place in the experimental building this morning. B._ _ _ _ a fire took place in t

21、he experimental building this morning.8A.I spent two hours writing the essay. B._ _ _ _ _ to write the essay. It is reported that It took me two hours第15页/共30页第十六页，共30页。 Everyone consider it important to have enough sleep. The amount of sleep needed varies from person to person and it depends on the

22、 age of the person and the conditions in which sleep takes place. The young may need more sleep than the old, but it is said that eight hours are enough for the health of grownups. Some can do with less than this amount, but others may need more. Every person knows his own need. It is then a matter

23、of good judgment to satisfy his need. Sleep is essential for our health. It is enough sleep that can make one bring back his strength and get ready for a days work.is said thatto have enough sleepisthat强调(qing dio)结构 to satisfy his need 3、辨别、辨别(binbi)it的用法。的用法。第16页/共30页第十七页，共30页。Happy New Year! the

24、greeting will be said and heard as a new year arrives. It is at this time of the year that families and friends get together to say goodbye to the old and welcome the new. It was the oldest of all holidays. Traditionally, it was thought that one could affect the luck they would have throughout the c

25、oming year by what they did or ate on the first day of the year. For that reason, it has become common for people to celebrate the first few minutes of a new year in the company of family and friends. It is a popular belief that anything in the shape of a ring is good luck, because it symbolizes com

26、ing full circle, completing a years cycle.It is at the time of the year thatit was thought thatnew year强调强调(qing dio)结构结构第17页/共30页第十八页，共30页。第18页/共30页第十九页，共30页。 It is never too old to learn. 活到老，学到老。活到老，学到老。 It is easier to fall than to rise. 摔倒容易爬起来难。摔倒容易爬起来难。 It is no use crying over spilt（溢出（溢出(y

27、ch)的）的）milk. 覆水难收。覆水难收。Proverbs with “It” It never rains but it pours(泼水泼水). 不鸣则已，一鸣惊人不鸣则已，一鸣惊人(y mng jng rn)。 It takes three generations（代）（代）to make a gentleman. 十年树木，百年树人。十年树木，百年树人。第19页/共30页第二十页，共30页。I. 单项选择单项选择(xunz)1. He didnt make _ clear when and where the meeting would be held. (天津天津2007) A.

28、 this B. that C. it D. these 2. _ is our belief that improvements in health care will lead to a stronger, more prosperous economy. (浙江浙江2006)A. As B. ThatC. This D. It第20页/共30页第二十一页，共30页。3. The doctor advised Vera strongly that she should take a holiday, but _ didnt help. (2005全国全国(qun u)卷卷III)A. it

29、 B. she C. which D. he4. Id appreciate _ if you would like to teach me how to use the computer. (山东山东2006)A. thatB. it C. this D. you第21页/共30页第二十二页，共30页。II. 单句改错单句改错下面的句子下面的句子(j zi)选自高考试题的改错部选自高考试题的改错部分，用你的火眼金睛把错误找出来吧！分，用你的火眼金睛把错误找出来吧！1. You wont find difficult to get to the city center. (2004全国卷全国卷

30、IV)2. I know there is not easy to be a teacher. (湖北湖北2004)3. This is not surprising that the Silver Ghost was regarded as “the best car in the world”.find后加后加itthere itThis It第22页/共30页第二十三页，共30页。See you next time!第23页/共30页第二十四页，共30页。1. it 指刚提到指刚提到(t do)的事物，以避免重复的事物，以避免重复:Xian is a beautiful city, is

31、nt it?2. 也可以指动物、未知的人或婴儿也可以指动物、未知的人或婴儿:Is this your dog？No, it isnt.一、一、it 作人称作人称(rnchng)代词代词二、二、it 作非人称作非人称(rnchng)代词代词 it 指天气、时间、日期、距离、价值、度量、温指天气、时间、日期、距离、价值、度量、温度、环境等，称为非人称的度、环境等，称为非人称的it： 1. 指天气：指天气： It is a lovely day, isnt it? It is a bit windy.第24页/共30页第二十五页，共30页。第25页/共30页第二十六页，共30页。1. quittou

32、gh2. accustomed to3. ashamed of4. breathless5. desperate6. The alcoholic effect7. strengthen8. pregnant9. disappointed10. decide onEx 1. 第26页/共30页第二十七页，共30页。Despite the weather is bad, I still go to school. In spite of the bad weather，I still go to school. In spite of danger, she remained calm.尽管危险尽

33、管危险(wixin)，她依然镇定自若。，她依然镇定自若。The party must stay together in spite of different opinions.尽管党内存有不同意见，但必须团结一致。尽管党内存有不同意见，但必须团结一致。In spite of + 名词(mng c)/代词 despite + 从句(cn j)第27页/共30页第二十八页，共30页。1. cigarettes2. alcohol3. effects4. adolescents5. tough6. stress7. due to8. addicted to9. mental10. quit11. unfit12. withdrawalEx 2. 第28页/共30页第二十九页，共30页。 1. 作形式主语作形式主语(zhy)，代替由不定式（或不定，代替由不定式（或不定式复合结构）、动名词或从句表示的真正主语式复合结构）、动名词或从句表示的真正主语(zhy)。1)He had to stay up now, for it was impossible for him to sleep.Its no use telling him that.Its not yet known where she has gone.引导引导(yndo)词词 - it第29页/共30页第三十页，共30页。