Unit1 Discovering Useful Structuresppt课件 -2022新人教版（2019）《高中英语》必修第二册.pptx

1、Unit 1 Cultural HeritageDiscovering Useful StructuresDiscovering Useful StructuresCan you find:1.the woman who is applying sunscreen?2.the boy who is building a snow man?3.the man who is wearing three watches?4.the animal that is playing the guitar?5.the man who is taking a nap?Lead-inNotice that we

2、 use“who”when we are describing people and“that”when we are describing things.Look and underlineLook at the sentences below and underline the relative pronouns and adverbs.1After listening to the scientists who had studies the problem,and citizens who lived near the dam,the government turned to the

3、United Nations for help.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.Find more sentences containing relative clauses from the text on page 4,and discuss with a partner the major function of t

4、hem.There comes a time when the old must give way to the new.Perhaps the best example is shown by UNESCO,which runs a programme that prevents world cultural heritage sites around the world from disappearing.Formulate:The relative _(pronoun/adverb)“_”here refers to the“_”to lead the relative clauses

5、to _.Look and underlineWhere is the relative pronouns and adverbs?What are their functions?Paragraph 2:Water from the dam would likely damage a number of temples and destroy cultural relics that were an important part of Egypts cultural heritage.The relative pronoun“that”here refers to the“cultural

6、relics”to lead the relative clauses to describe the importance of the heritage.Look and underlineWhere is the relative pronouns and adverbs?What are their functions?Paragraph 6:Perhaps the best example is shown by UNESCO,which runs a programme that prevents world cultural heritage sites around the w

7、orld from disappearing.1.The relative pronoun“which”here refers to the“UNESCO”to lead the first relative clauses to tell the work it did in operating the project.2.The relative pronoun“that”here refers to the“programme”to lead the second relative clauses to stress the function of the programme.Look

8、and underlineSummaryMake a table.Are there any other relative pronouns and adverbs you can remember?Which are the relative pronouns?And the relative adverbs?Who Whom Which That whose When Where WhySummaryMake a mind mapAs for the information,it should include:the relative pronouns and adverbstheir f

9、unctionstheir usage examples.As for the design,it should be:logical and clearas creative as possibleattractive by adding pictures or matching colors SummaryRewriteRewrite the sentences using relative clauses.I have download that free app,but it doesnt work well.First,replace the pronoun,app with the

10、 relative pronoun which/that,because this is describing a thing.which I have downloadedThe free app doesnt work well.Now,we must put the relative clause after the noun it describe(the app).The free app(which/that)I have download doesnt work well.21.He showed me a photo in his room.It was a photo of

11、a famous cultural relic in Egypt.The photo _.2.The project team helped protect the national parks in the United Republic of Tanzania.It was formed by members from fifteen countries.The project team _.(which/that)he showed me in his room was of a famous culturalwhose members were from fifteen countri

12、es helped protect the national parks in the United Republic of Tanzania.relic in EgyptRewrite3.This temple was first built during the Qin Dynasty.The time _.4.We met a professional archaeologist at the entrance to the Great Pyramid.He explained to us the process of building such a difficult structur

13、e.The professional archaeologist _ _.when this temple was first built was during the Qin Dynasty Rewrite(who/whom)we met at the entrance to theGreat Pyramid explained to us the process of building such a difficult structure5.The documents about the cultural relics from overseas are under the desk.I

14、found them yesterday.The place _.6.Scientists worked together day and night to rescue the temple because they wanted to preserve it for the next generation.The reason_ _.where I found the documents about the cultural relics from overseas are underwhy scientists worked together day and night to rescu

15、e the temple is that theywanted to preserve it for the next generationthe deskRewriteWhich relative pronouns can be deleted in your sentences?When can you go without the relative pronouns like this?DiscussFor the sentence 1:“The photo that(which)he showed to me was a photo of a famous cultural relic

16、 in Egypt.”“The photo he showed to me was a photo of a famous cultural relic in Egypt.”DiscussIn some cases,we can make the clause shorter by dropping the relative pronoun like who,that and which when the relative pronoun is the object of the clause in restrictive relative clauses.We know“that”is th

17、e object of the clause because it is followed by the pronoun,“I”.DiscussWhat is the difference in the following two sentence?1.We knew the scientist who had studied the problem.2.We knew the physical scientist Hawkins,who had studied the problem.Discuss1.We knew the scientist who had studied the pro

18、blem.我们了解那个研究过该问题的科学家。2.We knew the physical scientist Hawkins,who had studied the problem.我们了解物理科学家霍金，他研究过该问题。Restrictive relative clauses VS Non-restrictive relative clauses（若把从句去掉，则不明白是哪位科学家）（若把从句去掉，仍然知道是哪位科学家）They are different in:meaning punctuationDiscussFor more information,you can watch the

19、video and understand the differences between the two types of relative clauses.DiscussWork in pairs and play a game of definitions.One asks the questions below and the other answers them with relative clauses.Work out two more questions of your own.Work in pairs3EXAMPLEA:What is an exit?B:An exit is

20、 the door where/through which you can leave a building.1.Whats a library?(from/in which;where)2.Whats a good friend?(to whom;who)3.Whats a vacation?(during which;when)4.Whats a football coach?(from whom;who)1.Whats a library?(from/in which;where)A library is a place from/in which you can borrow book

21、s.A library is a place where you can borrow books.2.Whats a good friend?(to whom;who)A good friend is someone to whom you can tell your problems.A good friend is someone who you can tell your problems to.Work in pairs3.Whats a vacation?(during which;when)A vacation is a time during which you dont wo

22、rk.A vacation is a time when you dont work.4.Whats a football coach?(from whom;who)A football coach is someone from whom football players receive training.A football coach is someone who trains football players.Work in pairsNow switch your role.Use the definition to guess the words themselves.Compet

23、e with your neighbored group and try as fast as you can.EXAMPLEA:An exit is the door where/through which you can leave a building.B:It is an exit!It is a thing which/that It is a person whoIt is a place whereIt is a _!Work in pairsMake your tables or mind maps about restrictive and non-restrictive clause according to what you have learned in the class.Switch your work with your classmates and find out what else you can learn from them.HomeworkThanks!