Unit 1 Discover useful structures-高中英语人教版（2019）选择性必修第三册.pptx

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1、Unit 1 ArtDiscovering useful structuresDiscovering useful structuresThe infinitive of the verb as the predicative动词不定式做表语1.Enable the Ss to master the usage of the infinitive of the verb as the predicative.2.Enable the Ss to use the relevant grammar flexibly and correctly in the real situation.学习目标1

2、Read these sentences and fill in the blanks using the correct words from the text on pages 2 and 3.What is the function of the italicized infinitives?1 Perhaps the best _ to understand Western art is to look at the development of Western painting over the centuries.2 During the Middle Ages,the _ of

3、Western art was to teach people about Christianity.3 In this work,Monets _ was to convey the light and movement in the scene.waypurposeaim动词动词不定式作表语不定式作表语问题导学6The young singers intention of performing the song was to share his love for rock music with his fans.The best way to do business is to build

4、 trust between you and your client.What the survivors attempted to do was to build a memorial to the heroes whosaved their lives.The main purpose of art education in schools is to inspire students to be creative.The aim of the two leaders at the conference was to achieve permanent peace between thei

5、r two countries.When you are faced with a serious decision,my suggestion is to listen to yourown inner voice.The mother believes her duty is to raise her son to become a man with a noblemind and a generous heart.观察例句，察例句，总结to do sth.的用法的用法归纳：归纳：常常跟“不定式不定式”作表语的名词：ability;attempt;chance;desire;intenti

6、on;opportunity;ability;attempt;chance;desire;intention;opportunity;the way to do;wish;aim;purpose;hope;idea;plan;decision;choice;the way to do;wish;aim;purpose;hope;idea;plan;decision;choice;duty;suggestion;ambition;mission;task.duty;suggestion;ambition;mission;task.常常动词不定式动词不定式作表语说明作表语说明主语的主语的内容或表示

7、目的。内容或表示目的。点拨精讲 23 1.My aim is _(go)to TsingHua University.2.You know，my goal is _(lose)150 pounds in the coming year.3.They are _(marry)next week.4.I dont know what is _(happen)to us if we go on like this.to goto marryto happen练习：练习：5.She is _(return)home from America next month.6.The activity is _

8、(hold)next week.7.From my standpoint,it all seems _(work)very well.8.The boy was _(blame)for what he had done.9.To keep silent is _(admit)your mistake.to work to be heldto loseto blame to admit动词不定式作表语时，可用动词不定式作表语时，可用主动主动形式表示被动意义。形式表示被动意义。sb be to blame sb be to blame 某人应受责备某人应受责备安排、计划安排、计划将来、即将将来、即

9、将to return结果结果Seeing is believing.To see is to believe.动词不定式作表语省略动词不定式作表语省略to的情况的情况 动词不定式作表语时，一般情况下动词不定式作表语时，一般情况下不定式符号不定式符号to不能省略不能省略,但在以下几种情但在以下几种情况下可况下可省略不定式符号省略不定式符号to:1.all作主句主语作主句主语,其后的定语从句中含有实义动词其后的定语从句中含有实义动词do的某种形式时。的某种形式时。All we need to do is(to)live each day with hope.我们需要做的就是带着希望过好每一天。我们

10、需要做的就是带着希望过好每一天。2.what引导的从句作主语引导的从句作主语,从句中含有实义动词从句中含有实义动词do的某种形式时。的某种形式时。What I want to do is(to)take a holiday right away.我想马上就去度假。我想马上就去度假。3.(主句主句)主语被主语被the only,序数词或形容词最高级修饰序数词或形容词最高级修饰,且其后定语从句中含且其后定语从句中含有实义动词有实义动词do的某种形式时。的某种形式时。In the evening the only thing he did was(to)read the newspaper.晚上他唯

11、一做的就是看报纸。晚上他唯一做的就是看报纸。当主语部分含有动词当主语部分含有动词 do 的某种形式时，作表语的不定式可省略的某种形式时，作表语的不定式可省略to。Complete the sentences:1.当我当我13岁的时候岁的时候,我唯一的目标是成为我们足球队的明星。我唯一的目标是成为我们足球队的明星。When I was 13 my only purpose was _(become)the star on our football team.2.很多演讲的目的是使观众受益。很多演讲的目的是使观众受益。The objective of most speeches is _(bene

12、fit)the audience.3.据说他们下星期要去参加一个重要的学术会议。据说他们下星期要去参加一个重要的学术会议。Its said that they are_(attend)an important academic conference next week.4.别担心别担心,你需要做的就是好好睡上一觉。你需要做的就是好好睡上一觉。Dont worry.What you need to do is_(have)a good sleep.to become to benefit to attend(to)have1.我们的责任是改善我们的环境。我们的责任是改善我们的环境。Our dut

13、y is _.2.我想做的是在城里给我的父母买一所大房子。我想做的是在城里给我的父母买一所大房子。_ is purchase a big house for my parents in the city.3.你所做的是填写表格。你所做的是填写表格。What you have to do is _.4.看上去他的勇气已经完全消失。看上去他的勇气已经完全消失。His courage appeared _.to improve our environment.What I want to do(to)fill in the formto disappear totally.Complete the

14、sentences:SummarySummary一、动词不定式（短语）作表语的用法一、动词不定式（短语）作表语的用法1.主语是以主语是以aim，suggestion，duty，hope，idea，intention，plan，purpose，the way to do sth等等为为中中心心的的名名词词词词组组时时，或或者者以以what引引导导的的名名词词性性分分句句表表示示，一般用动词不定式作表语说明主语的内容或目的。一般用动词不定式作表语说明主语的内容或目的。2.表示将来或计划。表示将来或计划。3.表示结果。表示结果。4.动词不定式（短语）作表语时，可用主动形式表示被动意义。动词不定式（短

15、语）作表语时，可用主动形式表示被动意义。二、动词不定式（短语）作表语省略二、动词不定式（短语）作表语省略to的情况的情况当主语部分含有动词当主语部分含有动词 do 的某种形式时，作表语的不定式可省略的某种形式时，作表语的不定式可省略to课堂小结 11.In my opinion,we should try our best _(realize)our goals even though there is little hope.2.Trembled with cold,the little dog looked so pityful.(改错)3.It takes a lot of love a

16、nd courage _(risk)ones own life to save someone elses.4.Firstly,Id like to express our heartfelt thanks for the help offering by our teachers.(改错)to realize_Tremblingto risk_offered当堂检测 126.To help slow the spread of the new coronavirus,COVID-19,the Chinese government is working with two of the coun

17、trys largest technology companies,Alibaba Group and Tencent Holdings,_(keep)track of the disease.7.He has found that among the 90 wind instruments _(identify)by the Chinese Music Dictionary,47 are made of bamboo.8.While _(realize)his expectation,Wang works hard and decides to live up to his expectat

18、ion.9.He passed away today at 91(due to illness)but his mission _(end)hunger will live on and his legacy will be remembered for generations,”it said.to keepidentifiedrealizingto end10.Neverthless,it was not an easy task for Tian Qinxin,the art director of the show,_(transform)a classic into a one-ho

19、ur stage show that connects with the people of today.11._(entertain)more people,Zack posted a video on the Internet.12.It is an honor for me study in this school.(改错)to transformTo enetrtain/toAdam Braun established the organization Pencils of Promise in 2008.Its goal is 1._(make)sure all children h

20、ave a chance for education.It all started when he was a college student.Adam Braun was visiting India when 2._ girl stopped him on the street and asked for money.He asked her what she desired 3._(much)in the world.Astonishingly，her answer was“a pencil”.The girl had never been to school before，and th

21、at was the 4._(real)for 57 million children around the world.After graduation，Adam Braun never forgot the girl and the problem of 5._(her).“We live in a world in which every single child can have access 6._ quality education.So I was determined to create schools in other places 7._ children are hung

22、ry for education.”Adam Braun began to raise money for his project through social media.“We are working hard to make sure that the program is not just beautiful photos and videos of children，but that were 8._(actual)seeing amazing results in the classroom.Thats why our 9._(kid)in Pencils of Promise s

23、chools progress fast from one grade to the next,”Braun said.Since then，it 10._(help)more than 22，000 children in Africa，Asia and Latin America.当堂检测 12（语法填空）Adam Braun established the organization Pencils of Promise in 2008.Its goal is 1._(make)sure all children have a chance for education.It all sta

24、rted when he was a college student.Adam Braun was visiting India when 2._ girl stopped him on the street and asked for money.He asked her what she desired 3._(much)in the world.Astonishingly，her answer was“a pencil”.The girl had never been to school before，and that was the 4._(real)for 57 million ch

25、ildren around the world.After graduation，Adam Braun never forgot the girl and the problem of 5._(her).to makehersarealitymost当堂检测 12（语法填空）“We live in a world in which every single child can have access 6._ quality education.So I was determined to create schools in other places 7._ children are hungr

26、y for education.”Adam Braun began to raise money for his project through social media.“We are working hard to make sure that the program is not just beautiful photos and videos of children，but that were 8._(actual)seeing amazing results in the classroom.Thats why our 9._(kid)in Pencils of Promise schools progress fast from one grade to the next,”Braun said.Since then，it 10._(help)more than 22，000 children in Africa，Asia and Latin America.tohas helpedwherekidsactually