It用法课件12班(最新).ppt

1、The use of The use of “itit”课程结构课程结构一、一、itit作代词作代词1.1. 作人称代词作人称代词前指前指 2. 2. 用以代替用以代替this /thatthis /that3. 3. 作非人称代词作非人称代词二、二、itit作引导词作引导词1. 1. 用作形式主语用作形式主语2. 2. 用作形式宾语用作形式宾语3. 3. 用于强调句型用于强调句型三、巩固与拓展练习三、巩固与拓展练习It is a building.The opening ceremony of the 29th Olympic Game was held in it.What is the

2、name of the building?What is the name of the building?ItIt is the Birds nest.is the Birds nest.It is a movie.It is showed in 2014.It is ZhouDongyu who acted as ZhouXiaozhi.What is the name of the movie?What is the name of the movie?ItIt is My Old Classmate . is My Old Classmate .What is What is this

3、this? ?ItItss a spacecraft. a spacecraft.It It is Shenzhou-is Shenzhou-10 spacecraft.10 spacecraft. It is on June11, 2013 that we sent the Shenzhou-10 spacecraft into space. Toms diary It is Friday today.It is very fine today. It is about 20C today.It is about 2km from my home to this place.It lies

4、at the Guifeng Road of Xinhui where I can meet my dear fellow students. What is the name of the place?What is the name of the place?It It is is XinhuiXinhui Overseas Chinese Overseas Chinese Middle School.Middle School.It is a disaster.It happened on May12, 2008.It happened in Wenchuan.It was very n

5、ice of the army to help the survivors out. What is the name the disaster?What is the name the disaster?ItIts s WenchuanWenchuan Earthquake. Earthquake.Its clear that the army helped the survivors out.It is an old saying.It is no use crying over the spilt milk. What is the Chinese meaning of What is

6、the Chinese meaning of the sentence?the sentence?覆水难收。覆水难收。It is a sports event.It was held in Guangzhou in 2010.It is amazing that the sports meeting has the most events in the history.What is the name of the event?What is the name of the event?ItIt is the 16th Asian Games. is the 16th Asian Games.

7、 It is the sports meeting that has the most events in the history.lHe gives performance almost every year at the Spring Festival Party. lPeople find it exciting to enjoy his performance.lI think it no use watching him carefully because his action is so quick.lHe makes it clear that he is the best ma

8、gician.What is the name of the man?What is the name of the man?He is Liu He is Liu QianQian. .1.It is a building. The opening ceremony of the 29th Olympic Game was held in it.2.It is a movie. It is showed in 2011.3.What is this? Its a spacecraft.Conclusion:Conclusion: it it 作作_,_,代替代替_;_;还可以代替指示代词还可

9、以代替指示代词_ _ 或或_. _. 一一. it作代词作代词人称代词人称代词 前文提到的人或事物前文提到的人或事物.thisthatRead and analyze the sentencesRead and analyze the sentences： 1. It is Thursday today.2. It is very fine today. 3. It is about 17C today.4. It is 2km from my home to this place.5. It lies in Guifeng Road of Xinhuiwhere I can meet my

10、fellow students.6. It is about 10 oclock now.dateweathertimedistanceplacetemperature Conclusion:Conclusion: it it可以用作非人称代词可以用作非人称代词, , 表示表示_, _, _, _, _, _, _, _, _, _, _等。等。日期日期天气天气时间时间距离距离地点地点温度温度Read and analyze the sentencesRead and analyze the sentences： 1. It was very nice of the army to help

11、the survivors out.2. It is no use crying over the spilt milk.3. It is amazing that the sports meeting has the most events in the history. Conclusion:Conclusion: it it 是是_，句子真，句子真正的主语是正的主语是_、_、_。形式主语形式主语动词不定式动词不定式动名词动名词thatthat引导的主语从句引导的主语从句二二. it 作引导词作引导词 it 作形式主语，代替作形式主语，代替不定式不定式表示的真表示的真正主语正主语1) It

12、 + is + adj. (for sb.) to do sth.2) It + is + adj. + of sb to do sth. easy, difficult, hard, necessary, possible unnecessarykind, unkind, nice, rude, cruel, careful, silly, clever, wise学好英语对我来说很难。学好英语对我来说很难。你真聪明能学好英语。你真聪明能学好英语。Its very difficult for me to learn English well.Its clever of you to lear

13、n English well.Translation: Its no good/use doing Its (well) worth doing Its (well) worthwhile doing/ to do it 作形式主语，代替作形式主语，代替动名词动名词表示的真正表示的真正主语主语Its no use crying over spilt milk.Its no good smoking.1) It is clear (obvious, true, possible)+ that-clause Its clear that the army helped the survivors

14、out.it 作形式主语，代替作形式主语，代替主语从句主语从句表示的真表示的真正主语正主语Its obvious that he was wrong.2) It is said (reported/ told/ believed/ thought/ known/ hoped.) + that-clausel_(据说）据说）he has come to Beijing.l_（据报道）（据报道）another earth satellite has been put into space.It is said thatIt is reported that区分：区分：It is time for

15、sth. It is time for sb to do sth. 3) 3) It is (high) time that + sb. did sth.sb. should do sth.Its time that we went/should go to bed.= Its time for us to go to bed.1.People find it exciting to enjoy his performance.2.I think it no use watching him carefully, because his action is so quick.3.He make

16、s it clear that he is the best magician.Read and analyze the following sentences： Conclusion: it 是是_,句子真正的宾语是句子真正的宾语是_、_、_。形式宾语形式宾语动词不定式动词不定式动名词动名词that引导的宾语从句引导的宾语从句常用句型：常用句型：主语主语 + find/believe/consider + it + 宾补宾补 +to do sth. doing sth. that-clause我发现学英语非常有趣。我发现学英语非常有趣。 I found _very interesting _

17、 English.他非常清楚地表示他对那门学科不感兴趣。他非常清楚地表示他对那门学科不感兴趣。 He made_clear _ he was not interested in this subject.itto learnitthatExercises for consolidation： It is on June11,2013 that we sent the Shenzhou-10 spacecraft into the space. It is the sports meeting that has the most events in the history.(强调句型强调句型)

18、Analyze the two sentences:(强调句型强调句型) it用于用于强调句型强调句型，强调句子的主语、宾，强调句子的主语、宾语、状语等：语、状语等： It is/was + 被强调部分被强调部分 + that /who +句子其它成分句子其它成分Conclusion: 注意：注意： 强调句中强调句中 “人人”时，时，who或或that 均可均可以，强调其他成分一律用以，强调其他成分一律用that I met Tom in the park yesterday.1) It was I who/that met Tom in the park yesterday.2) It wa

19、s Tom who /that I met in the park yesterday.3) It was in the park that I met Tom yesterday.4) It was yesterday that I met Tom in the park.It is not until + 被强调部分被强调部分 + that . 用于强调用于强调时间状语时间状语, “直到直到才才”温馨提示：温馨提示：He didnt come back until I went to bed. Its not until I went to bed that he came back. (

20、强调句型强调句型)Translation：直到我上床睡觉他才回来。Exercises: Exercises: 1.(2005,全国全国,) It wasnt until nearly a month later _ I received the managers reply.A. since B. when C. as D. that2.(2004,湖北湖北) It was _ back home after the experiment.A. not until midnightB. until midnight that he didnt goC. not until midnight t

21、hat he wentD. until midnight when he didnt goD DC Cit 常用的固定搭配常用的固定搭配 1. make it 在口语当中相当于在口语当中相当于succeed, 表示表示: 成功、做到、说定、赶上、及时到达成功、做到、说定、赶上、及时到达2. It happens/appears/seems that 碰巧碰巧/好象好象/似乎似乎3. It takes /took sb. some time to do sth. 做某事花某人多长时间。做某事花某人多长时间。4. Its ones turn to do sth. 轮到某人做某事了轮到某人做某事了5

22、.take it for granted 想当然想当然6.Take it easy 轻松，不紧张轻松，不紧张一、一、itit作代词作代词1.1.作作人称代词人称代词，可代替前文提到的，可代替前文提到的_和和_。2. 2. 用以代替指示代词用以代替指示代词 _ _ 和和 _。3.3.作作非人称代词非人称代词, ,可指代可指代_,_, _,_, _, _, _, _, _,_, _ _等。等。Summary: Summary: 时间时间日期日期地点地点天气天气温度温度距离距离人人事事thisthisthatthat二、二、itit作引导词作引导词1. 1. 用作形式主语，代替用作形式主语，代替_、

23、_、 _表示的真正主语。表示的真正主语。2. 2. 用作形式宾语，代替用作形式宾语，代替 _、_、_表示的真正宾语。表示的真正宾语。3. 3. 用于强调句型，注意用于强调句型，注意 “ItIt is/was is/was not not untiluntil + + 被强调部分被强调部分 + + thatthat . .”是强是强调句的特殊结构。调句的特殊结构。Summary: Summary: 动词不定式动词不定式动名词动名词从句从句从句从句动名词动名词 动词不定式动词不定式 。我的主题是。我的主题是 “高二？班，我爱你。高二？班，我爱你。” 我们的教室在我们的教室在二楼，二楼， 楼，楼，

24、，所以在业余，所以在业余时间里，我们经常去那里锻炼身体。我们时间里，我们经常去那里锻炼身体。我们都很好学，都很好学， 总之，总之， ，高二？，高二？班是我校最好的班级之一。班是我校最好的班级之一。让让itit用法融入写作用法融入写作: : 今天是星期二，今天是星期二，大约大约2 2分钟的步行路程分钟的步行路程每天早上每天早上7 7点我们就在教室里点我们就在教室里信不信由你信不信由你到操场很方便到操场很方便能在此演讲是我的一能在此演讲是我的一大荣幸大荣幸直到晚上直到晚上9 9点半才离开教室。点半才离开教室。 读英语和语文，读英语和语文，Dear teachers and students,Dea

25、r teachers and students, ItIts Friday. s Friday. ItIts my honor to make s my honor to make a speech here. My topic is “I love a speech here. My topic is “I love you, Class 8, Senior Two.”you, Class 8, Senior Two.” My classroom is on the first floor. My classroom is on the first floor. ItIt is conven

26、ient for us to go to the is convenient for us to go to the playgroundplayground. . ItItss about a 2-miniute about a 2-miniute walk, so we often go there to take walk, so we often go there to take exercise in our spare time.exercise in our spare time. ItIt is at is at 7 every morning 7 every morning

27、thatthat we we read Chinese or English. And read Chinese or English. And its its not untilnot until 9:30 9:30 thatthat we leave our we leave our classroom.classroom. In short, believe In short, believe it it or not, or not, Class 8, Senior Two is one of Class 8, Senior Two is one of the best classes in our school. the best classes in our school. Thats all. Thank you.Thats all. Thank you.HomeworkHomeworkFinish the exercises Finish the exercises on the studentson the students paper. paper.