Unit 1 Discovering Useful Structures ppt课件-（2022新）高中英语人教版（新教材）必修第二册(002).pptx

1、1.To review the basic usages of relative pronouns and adverbs of attributive clauses.2.To learn to use some special cases concerning restrictive relative clauses flexibly.3.To write complete restrictive relative clauses based on given sentences.定义定义用作定语的从句用作定语的从句类型类型限制性限制性定语从句定语从句描述主句所涉及的人或物的描述主句所涉及

2、的人或物的具体情况，是主句不可缺少具体情况，是主句不可缺少的一部分；如省去，主句意的一部分；如省去，主句意义不完整或失去意义。义不完整或失去意义。非限制性非限制性定语从句定语从句对主句所描述的人或物提供对主句所描述的人或物提供附加情况，补充说明作用；如附加情况，补充说明作用；如省去，主句意义仍完整。省去，主句意义仍完整。关系词关系词关系代词关系代词that,which,who,whom,whose,as等等关系副词关系副词 when,where,why等等定语从句定语从句关系关系代词代词that指物和人指物和人在从句中作主语或宾语在从句中作主语或宾语which指物指物在从句中作主语或宾语在从句

3、中作主语或宾语who指人指人在从句中作主语或宾语在从句中作主语或宾语whom在从句中作宾语在从句中作宾语whose指人和物指人和物在从句中作定语在从句中作定语as指物指物在从句中作主语在从句中作主语引导定语从句的关系词引导定语从句的关系词关系关系副词副词when指时间指时间在从句中作时间状语在从句中作时间状语where指地点指地点在从句中作地点状语在从句中作地点状语why指原因指原因在从句中作原因状语在从句中作原因状语After listening to the scientists who had studied the problem,and citizens who lived near

4、 the dam,the government turned to the 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.Warming up1.画出画出P6 task 1定从结构定从结构There comes a time when the old must give way to th

5、e new.Water from the dam would likely damage a number of temples and destroy cultural relics that were an important part of Egypts cultural heritage.2.找到找到P4中的定从中的定从Perhaps the best example is shown by UNESCO,which runs a programme that prevents world cultural heritage sites around the world from di

6、sappearing.Not only had the countries found a path to the future that did not run over the relics of the past,探究一 非限制性定语从句特殊用法1.“代词+of+which/whom”引导非限制性定语从句这个结构中，代词常常为all,each,one,many,much,most,some,none,both等。It is reported that two schools,both of which are being built in my hometown,will open ne

7、xt year.据报道，在我的家乡两所学校都正在建设中，将于明年投入使用。在上述句子中，在从句中作主语的是_。2.“数词+of+which/whom”引导定语从句During the rescue activities,3,000 people were badly injured,one third of whom are now settled in the ICU.在这次救援活动中，3000人受了重伤，其中三分之一的人现在在重症监护室。在上述句子中，在从句中作主语的是_。both of whichone third of whom3.“the+名词+of which/whom”引导非限制

8、性定语从句Look at the building,the roof of which(=whose roof)is white.看那个房子，它的房顶是白色的。在上述句子中，在从句中作主语的是_。4.“the+形容词比较级(最高级)+of+which/whom”引导非限制性定语从句There are two buildings,the larger of which stands nearly a hundred feet height。这儿有两座建筑物，较大的那一座几乎有100英尺高。在上述句子中，在从句中作主语的是_。the roof of which the larger of whic

9、h 综上所述，在定从中做成分的不一定只有_，而有可能是_。一个关系词一个词组 I have taken with me the two books(that/which)you asked me to return to the City Library。我把你要我送还给市图书馆的那两本书带走了。The way(that/in which)you look at the problem is wrong.你看待问题的方式是错误的。This is the place(where)we met yesterday.这就是我们昨天见面的地方。探究二 限制性定语从句中，关系词可以省略的几种情况1.定语

10、从句的先行词在定语从句中作宾语时，关系词通常省略。2.先行词是way,reason,time,place等且它们在定语从句中分别作方式、原因、时间和地点状语时，其后定语从句的相应关系词that/in which,why/that,when,where等可以省略。结论主题实践 如何将两个句子改写成一个定从1.He showed me a photo in his room.It was a photo of a famous cultural relic in Egypt.The photo(that/which)he showed me in his room was a photo of a

11、 famous cultural relic in Egypt.I have downloaded that free app,but it doesnt work well.The free app(which/that)I have downloaded doesnt work well.vt.&n.下载下载2.The project team helped protect the national parks in the United Republic of Tanzania.It was formed by members from fifteen countries.The pro

12、ject team whose members were from fifteen countries helped protect the national parks in the United Republic of Tanzania.n.共和国共和国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.A:What is an exit?B:An exi

13、t is the door where/through which you can leave a building.v.&n.出去出去;出口出口1.Whats a library?(from/in which;where)A:What is a library?B:A library is a place from/in which you can borrow books.B:A library is a place where you can borrow books.2.Whats a good friend?(to whom;who)A:What is a good friend?B

14、:A good friend is someone to whom you can tell your problems.B:A good friend is someone who you can tell your problems to.3.Whats a vacation?(during which;when)A:What is a vacation?B:A vacation is a time during which you dont work.B:A vacation is a time when you dont work.4.Whats a football coach?(f

15、rom whom;who)A:What is a football coach?B:A football coach is someone who trains football players.B:A football coach is someone from whom football players receive training.A:Whats a giraffe?B:A giraffe is an animal that has a long neck.A:Whats a dentist?B:A dentist is someone who looks after your te

16、eth.1.My friend showed me around the town,_ was very kind of him.2.She has a gift for creating an atmosphere for her students _ allows them to communicate freely with each other.3.When I arrived,Bryan took me to see the house _ I would be staying.whichwhich/thatwhere4.If a shop has chairs _ women ca

17、n park their men,women will spend more time in the shop.5.If you dont tell us the reason _ you didnt show at the party,Im afraid you cant pass off.6.We live in an age _ more information is available with greater ease than ever before.7.Students should involve themselves in community activities _ the

18、y can gain experience for growth.wherewhywhenwhere9.He was generous with his time,_ which people were very grateful.10.What do you think of the direction _ which we are driving?11.They held a grand graduation ceremony,_ which the students expressed their thanks to the teachers.12.I have many friends

19、,_ whom some are businessmen.forinatof3.The 80,000 objects collected by Sir Hans Sloane,for example,formed the core collection of the British Museum _ opened in 1759.(2020.全国新高考全国新高考I卷卷)which/that 4.Many lessons are now available online,from _ students can choose for free.(2020.江苏卷江苏卷)A.Whose B.whic

20、h C.when D.whom5.We have entered into an age _ dreams have the best chance of coming true.(2019江苏卷江苏卷单项填空单项填空)A.which B.what C.when D.that6.Their child is at the stage _ she can say individual words but not full sentences.(2019天津卷天津卷单项填空单项填空)A.why B.where C.which D.what7.One afternoon where I was in primary school,I was walking by the school playground.(2019新课标新课标卷卷短文改错短文改错)8.Now Irene Astbury works from 9am to 5pm daily at the pet shop in Macclesfield，_ she opened with her late husband Les.(2019新课标新课标卷卷语法填空语法填空)whenwhere