The-use-of-it公开课优质课件.ppt

1、 The use of “it”Grammar学习目标学习目标1.1.总结并掌握总结并掌握itit作非人称代词，作非人称代词，形式主语和形式宾语形式主语和形式宾语,it,it在强在强调句型中的用法。调句型中的用法。2.2.正确运用所学知识解决问题正确运用所学知识解决问题3.3.培养对英语语言多样性的兴培养对英语语言多样性的兴趣。趣。1.It is never too old to learn.活到老活到老，学到老学到老Step One:Lead-in2.It rains cats and dogs.大雨滂沱大雨滂沱3.It never rains but it pours.不鸣则已，一鸣惊人不

2、鸣则已，一鸣惊人4.It is a poor mouse that has only one hole.狡兔三窟狡兔三窟1.It is never too old to learn.2.It rains cats and dogs.3.It never rains but it pours.4.It is a poor mouse that has only one hole.“It”is widely used in English.“It”can be used in many ways.Today we will study two ways.Look at these proverbs

3、 and see what they have in common “It”可以用来指可以用来指 _,_,_,_etc.1.It is a sunny day.2.It is nine oclock now.3.It is noisy here.4.It is 10 kilometers to the school.天气天气时间时间环境环境距离距离 Task 1.用法用法I IThe seconed way it is used1.Its important to learn English well.2.It is no good crying over spilt milk.3.I thi

4、nk it best that you should do more exercise.4.He found it difficult to accustom himself to getting up early.“It”可以用来代替可以用来代替_,_or _做做形式主语或形式宾语形式主语或形式宾语.从句从句to dodoing Task 2.用法21.Its difficult to give up smoking.2.It is certain that they will win.3.It is no use learning without practice.4.It is fun

5、to study.5.Its a pity that our teacher cant take part in our party.6.It is suggested that we(should)arrive there in 2 hours.Task 3.Summarize the rules形式主语形式主语1.It+be+adj./n./p.p.+to do/doing/从句从句真正的主语真正的主语clear,easy,true,difficult,certain,etc.fun,a pity,a shame,no use/good,etc.said,believed,decided,

6、hoped,etc.形式宾语形式宾语2.主语主语+verb+it+adj./n.+to do/doing/从句从句真正的宾语find,think,feel,believe,consider,make,etc.1.To give up smoking is difficult.It is _2.Most people believe smoking causes cancer.It is believed that_3.Dont try to give up on a stressful day.It is no use _trying to give up on a stressful day

7、.smoking causes cancer.difficult to give up smoking.Task 4.Rewrite these sentences using an“it”structure I would appreciate it if you I would appreciate it if you could take my advice.could take my advice.另外，一些表示另外，一些表示“喜喜”“”“怒怒”“”“哀哀”“”“乐乐”的动词如：的动词如：enjoy,like,dislike,love,hate,prefer,appreciate等动词

8、后接等动词后接 if 从句或从句或，通常先在动词后接，通常先在动词后接 it 作形式作形式宾语宾语，if 从句或从句或 when 从句从句作作真正的宾语。真正的宾语。when 从句从句试译：如果你能接受我的建议我将不胜感激。试译：如果你能接受我的建议我将不胜感激。用法3用法用法4、1、I hid the ball behind the door yesterday.主语主语谓语谓语宾语宾语状语状语地点地点状语状语时间时间1)It was I who hid the ball behind the door yesterday.2)It was the ball that I hid behin

9、d the door yesterday.3)It was behind the door that I hid the ball yesterday.4)It was yesterday that I hid the ball behind the door.2、He likes skating very much.1)It is he who likes skating very much.2)It is skating that he likes very much.It 用于强调句型强调句型用法用法5.it 固定短语和常用句型固定短语和常用句型1.Believe it or not.信

10、不信由你。信不信由你。2.Dont mention it.不用谢。不用谢。3.Make it.办得到，做成功。办得到，做成功。4.Take it easy.别着急，慢慢来；别过于紧张。别着急，慢慢来；别过于紧张。5.Its up to you.由你决定由你决定6.It/That(all)depends.那要看情况而定。那要看情况而定。7.Forget it.算了吧，别在意，没关系。算了吧，别在意，没关系。8.It doesnt matter.没关系没关系9.When it comes to 当谈到当谈到；当涉及当涉及 10.Thats it.对了，正是。对了，正是。备战高考备战高考1.We f

11、ound _ interesting to talk with foreigners.it2.It was in 1980 _ he was born.that3.This experiment will make _ possible to discover the secret in space.it4.-Listening!Someone is unlocking the door.-_ must be your father coming back from BJ.It 5.It is a pity _ you didnt see the film star.that6.It was

12、in this shop _ I bought the computer.that7.It is _,not you,who am going to do the job.I 8.Where was _ that he found the wallet?it9.Was it yesterday _ he lost his bike?that 今天是星期二，能在此演讲是我的一大荣幸。今天是星期二，能在此演讲是我的一大荣幸。我的主题是我的主题是“高二（高二（5）班，我爱你。班，我爱你。”我的教室在二楼，到操场很方便，大约三我的教室在二楼，到操场很方便，大约三分钟分钟的步行路程，所以在业余时间，我们

13、经常的步行路程，所以在业余时间，我们经常去那里锻炼身体。众所周知，一直不停地工作去那里锻炼身体。众所周知，一直不停地工作是没好处的。简言之，我爱我的教室。是没好处的。简言之，我爱我的教室。而且，我也爱我的同学。我们认为助人为而且，我也爱我的同学。我们认为助人为乐是很重要的。我们都很勤奋乐是很重要的。我们都很勤奋,每天早上每天早上6：20我们在教室读英语或语文，直到晚上我们在教室读英语或语文，直到晚上10点我们点我们才离开教室。因为我们相信：是努力而不是智才离开教室。因为我们相信：是努力而不是智力决定成功。力决定成功。总之，信不信由你，高二（总之，信不信由你，高二（5）班是我校）班是我校最好的班

14、级之一，让我引以为傲。最好的班级之一，让我引以为傲。今天是星期二，能在此演讲是我的一大荣今天是星期二，能在此演讲是我的一大荣幸。我的主题是幸。我的主题是“高二（高二（5）班，我爱你。）班，我爱你。”It is Wednesday today.Its my honor to make a speech here.My topic is“I Love You,Class5,Grade2.”指时间形式主语It is no good/no use doing sth.指距离It is convenient for sb to do 我的教室在一楼，到操场很方便，大约三分我的教室在一楼，到操场很方便，大

15、约三分钟的步行路程，所以在业余时间，我们经常去钟的步行路程，所以在业余时间，我们经常去那里锻炼身体。众所周知，一直不停地工作没那里锻炼身体。众所周知，一直不停地工作没好处的。简言之，我爱我的教室。好处的。简言之，我爱我的教室。My classroom is on the first floor.It is convenient for us to go to the playground.It is about a 3-minute walk,so we often go there to take exercise in our spare time.As we all know,it is

16、 no good working without a rest.In a word,I like my classroom.形式宾语 而且，我也爱我的同学。我们认为助人为乐是很重要而且，我也爱我的同学。我们认为助人为乐是很重要的。我们都很勤奋，是每天早上的。我们都很勤奋，是每天早上6：15我们在教室读英语我们在教室读英语或语文，直到晚上或语文，直到晚上10:20我们才离开教室。我们相信：是我们才离开教室。我们相信：是努力而不是聪明决定成功。努力而不是聪明决定成功。Besides,I also like my classmates.We think it important to help ot

17、hers.We are hard-working.It is at 6:15 every morning that we read English or Chinese.And it is not until 10:20 that we leave the classroom.We all believe that it is our efforts,not our intelligence,that determine our success!强调句中被强调部分强调句中被强调部分固定结构固定结构 总之，信不信由你，高二（总之，信不信由你，高二（5）班是我校）班是我校最好的班级之一最好的班级之

18、一，让我引以为傲。，让我引以为傲。In short,believe it or not,Class5,Grade2 is one of the best classes in our school，and Im proud of it.高三（高三（15）班）班 Dear teachers and students,It is Wednesday today.Its my honor to make a speech here.My topic is“I Love You,Class5,Grade2.”My classroom is on the first floor.It is conven

19、ient for us to go to the playground.It is about a 3-minute walk,so we often go there to take exercise in our spare time.As we all know,it is no good working without a rest.In a word,I like my classroom.Besides,I also like my classmates.We think it important to help others.We are hard-working.It is a

20、t 6:15 every morning that we read English or Chinese.And it is not until 10:20 that we leave the classroom.We all believethat it is our efforts,not our intelligence that determine our success!In short,believe it or not,Class5,Grade2 is one of the best classes in our school，and Im proud of it.That al

21、l.Thank you.Revision 1.It is never too old to learn.2.It is easy to finish the work in two days.3.It is no use crying over spilt milk.4.I found it very interesting to study English.5.He made it clear that he was not interested in that subject.6.It was Tom that I saw on the street last night.7.It was

22、 not until yesterday that I met my old friend.8.It is in a small factory that my brother is going to work.用法用法种类种类It用法用法 it1、代替前文提到过的事物。、代替前文提到过的事物。2、可代替指示代词、可代替指示代词this和和that.3、指代除人以外的一切生物和事物。指代除人以外的一切生物和事物。4、可表示时间、日期、天气、温度和距离等。可表示时间、日期、天气、温度和距离等。1、作形式主语：代替由不定式、动名词和从句表示的、作形式主语：代替由不定式、动名词和从句表示的真主语。真主语。2、作形式宾语：代替由不定式、动名词和从句表示的、作形式宾语：代替由不定式、动名词和从句表示的真宾语。真宾语。3、用在强调句型中：、用在强调句型中：It is/was+被强调部分被强调部分+who/that 总总 结结作代词作代词作引导词作引导词分层测评P143语法填空语法填空