U1Period 4 Discovering Useful language （ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、Discovering Useful LanguageLearning AimsBy the end of the period,you will be able to1.get more familiar with the usages of relative pronouns and relative adverbs.2.apply relative clauses to describing people or things in greater detail in oral communication.3.polish their language using relative cla

2、uses to improve their writing ability.Step I Lead in:Play a Game1.Who is my best friend?2.Who borrowed a book from me yesterday?Your physics teacher is a person who wears a moustache.The head noun/先行词关系词/the relative words关系词的作用：关系词的作用：1 1、指代作用：指代先行词；、指代作用：指代先行词；2 2、连接作用：连接主从句；、连接作用：连接主从句；3 3、成分作用：在

3、从句中充当成分、成分作用：在从句中充当成分Step II Observe and analyze Task 1 Analyze and conclude the usage of the relative pronouns.1.There were deep cracks which/that appeared in the well walls.2.1)The team(that/which)Lang Ping had built was falling apart.2)Written Chinese has also become an important means by which C

4、hinas present is connected with its past.3.1)The player who/that was known as“Air Jordan”changed basketball with his graceful moves and jumps.2)We kept seats for those who might arrive late.3)This is the best film that Ive ever seen.4.1)She is my friend(whom/who/that)I always turn to for help.2)He i

5、s the only person with whom I want to share the story.5.1)Workers built shelters for survivors whose homes had been destroyed.2)The room whose window faces south is mine.Step II Observe and analyze 关系代词先行词在定语从句中充当的成分 人 物主语宾语定语that which who whom whose Step II Observe and analyze Task2 Analyze and co

6、nclude the usage of the relative adverbs.1.There comes a time when(in which)the old must give way to the new.2.Temples and other cultural sites were put back together again in a place where(in which)they were safe from the water.3.There are many reasons why(for which)the cultural relics should be pr

7、otected.关关系副词系副词先行词先行词在定语从句中充当的成分在定语从句中充当的成分 可以转化成可以转化成when where why 时间名词时间名词时时间间状语状语i in/on/atwhichn/on/atwhich地点地点名名词词地点状语地点状语i in/on/atwhichn/on/atwhich reasonreason原因状语原因状语f for whichor whichStep1 找出先行词（人，物，所属关系等）Step2 分析从句基本成分Step3 选择合适的关系词Step II Observe and analyze Task3 Complete the passage

8、 using proper relative pronouns and adverbs.There was a time 1._people near the Nile suffered a lot,so the government wanted to build a new dam to solve the problem.However,water from the dam would likely destroy some cultural relics.That was the reason 2._the proposal received protests.After listen

9、ing to those3._were worried about the problem,the government turned to the UN for help.The project also brought together governments and environmentalists 4._contributions(贡献)made a great difference.With their help,temples and other cultural relics 5._were taken down were moved.Then they were put to

10、gether again in a place 6._ they were safe from the water.The project was considered a great success 7._ people were proud of.When faced with difficulties,we can turn to others with 8._ miracles(奇迹）can be created.when why who whose which/that where which/that whomStep III PracticeTask 1 Rewrite the

11、sentences using relative clauses.1.The river was polluted seriously.It runs through the centre of the city._2.I have been to the city twice.You just visited the city._3.Double 12 Day is coming.That day my mother will spend a lot of money._4.I will visit Mount Tai.At the top of it I can enjoy the bea

12、utiful sunrise._The river which/that runs through the centre of the city was polluted seriously.I have been to the city twice which/that you just visited.Double 12 Day is coming when my mother will spend a lot of money.I will visit Mount Tai at the top of which/where I can enjoy the beautiful sunris

13、e.Step III PracticeTask 2 Divide each of the following compound sentences into simple ones.Example:There comes a time when the old must give way to the new.There comes a time.During the time the old must give way to the new.Water from the dam would likely damage a number of temples and destroy cultu

14、ral relics that were an important part of Egypts cultural heritage.Water from the dam would likely damage a number of temples and destroy cultural relics.The cultural relics were an important part of Egypts cultural heritage.Step III Practice After listening to the scientists who had studied the pro

15、blem,and citizens who lived near the dam,the government turned to the United Nations for help in 1959.Temples and other cultural sites were taken down piece by piece,and then moved and put back together again in a place where they were safe from the water.After listening to the scientists and citize

16、ns,the government turned to the United Nations for help in 1959.The scientists had studied the problem.The citizens lived near the dam.Temples and other cultural sites were taken down piece by piece,and then moved and put back together again in a place.In this place they were safe from the water.Ste

17、p III PracticePerhaps the best example is shown by UNESCO,which runs a programme that prevents world cultural heritage sites around the world from disappearing.Perhaps the best example is shown by UNESCO.UNESCO runs a programme.The programme prevents world cultural heritage sites around the world fr

18、om disappearing.Step III PracticeTask 3 Observe the following sentences,think about their functions,and then learn to give definitions.1.A library is a place from/in which/where you can borrow books.2.A good friend is someone to whom you can tell your problems.3.A vacation is a time during which/whe

19、n you dont work.4.A football coach is someone from whom football players receive training./A football coach is someone who trains football players.The above sentences are _by using the structure“A is B+a relative clause”.“B”is always a upper-sense word of“A”,that is,B always includes A or A is alway

20、s one member of B.giving definitions/answering a question“what is it”Step III PracticeImitate the above sentences and give your own definitions.A giraffe is _.A dentist is _.an animal that has a long necksomeone who looks after your teethStep IV Language useTask 1 Use the relative clauses to describ

21、e the pictures.The Great Wall is a long wall that was built to defend the country thousands of years ago,which winds its way into the distance under the sun at sunset.Mount Tai is a famous mountain that/which is high enough to reach the sky and attracts thousands of visitors.Step III PracticeStep IV

22、 Language useThe kite which has a shape of an eagle is a gift that my grandpa bought for me from Weifang.The girl who is looking up with her palms put together against her face is my little sister who is only 5 years old.Step IV Language useTask 2 Group work:Translate the Chinese poem into the Engli

23、sh one using the relative clauses.我的梦我的梦我想成为长城边的一棵树，回顾历史，珍惜现在；我想成为泰山上歌唱的小鸟，在那儿，欣赏日出，展翅高飞；有一天，我想化为风，带着漂亮的风筝远行；有一天,我想变成一把神奇的古琴，为我们居住的世界带来最动听的音乐！My DreamI want to be a tree_,looking back on the history and cherishing nowI want to be a bird singing in Mout Tai _I want to be wind one day _I want to be an

24、 an amazing Guqin,bringing touching music to the world _ which stands by the Great Wall where I can enjoy the sunrise and fly high which take a beautiful kite far away where we liveDream I want to be a tree ,looking back on the history and cherishing now;I want to be a bird singing in Mout Tai;I want to be wind one day I want to be an amzaing Zhucheng Guqin,bring touching music to the world(HomeworkFinish the Activity 2 on page 6 and Activity 1,2,3 and 4 on page62-63.