Unit 5 Discovering Useful Structures （ppt课件） (3)-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 5 Discovering useful structures限制性定语从句限制性定语从句Learning objectives1.identify attributive clauses introduced by relative adverbs.2.use relative adverbs in attributive clauses correctly.3.understand the function of the preposition plus which in the attributive clause4.use attributive clauses to des

2、cribe specific information about something.Review 关系关系代词引导的定语从句代词引导的定语从句关系代词所指充当成分thatwhichwhowhomwhoseas人人/物物主宾主宾物物人人人人人人/物物人人/物物主宾主宾主宾主宾宾宾定语定语主宾主宾1.The man came to our school is Mr.Wang.2.The girl I met is Lucy.3.Achild parents are dead is called Tom.4.I like the book you bought yesterday.5.I met

3、an old friend in the street went abroad three years ago.who/thatwho/thatwhom/who/that/whom/who/that/whosewhosethat/whichthat/which/who/thatwho/that小试牛刀1.Do you remember the day when you first came to our school.2.Could you tell me the reason why you like English?3.Chongqing is the place where I was

4、born.1.找出句中的连词2.翻译句子的意思3.说出从句的作用关系副词关系副词作定语作定语定语从句的进化之路定语从句的进化之路This is the stadium where the 2022 World Cup final will be held.1.This is the stadium.2.The 2022 World Cup final will be held at the stadium.定语从句的进化之路定语从句的进化之路1.This is the reason.2.Many girls like watching the World Cup for the reason.

5、This is the reason why many girls like watching the World Cup.关系副关系副词词指代指代在在从句从句中中作作例句例句when Do you remember the day when you first came to our school.why Could you tell me the reason why you like English?whereChongqing is the place where I was born.Fill in the blanks.placereasontime时间时间状语状语地点状语地点状语

6、原因状语原因状语小试身手小试身手1It was a time _ the Chinese people were divided geographically.2Emperor Qinshihuang united the seven major states into one unified country _ the Chinese writing system began to develop in one direction.3There are many reasons _this has been possible,but one of the main factors has b

7、een the Chinese writing system.4.I can never forget the day _ I first saw youwhywhenwhenwhere注：注：wherewhere可用在表示抽象意义的地点名词后，如：可用在表示抽象意义的地点名词后，如：situation,stage,point,case,position,situation,stage,point,case,position,conditioncondition等。等。The situation has reached the point _ both their parents are to

8、 be called in.事情发展到如此地步，不得不请双方家长来一趟了。whereYou have reached a point_ medicine cant help.We are in a position _ we may lose a lot of money.I have reached the stage _ I just dont care any more.wherewherewhereObserve the sentences and conclude the featureObserve the sentences and conclude the featurel D

9、o you remember the day when you joined our club.l Do you remember the day on which you joined our club.n This is the company where he worked.n This is the company in which he worked.u This is the reason why he likes English.u This is the reason for which he likes English.关系副词关系副词(when/where/why)(whe

10、n/where/why)可以用可以用_+_+_替换。替换。其中其中why=_+_why=_+_介词介词whichwhichwhichwhichforfor“介词关系代词介词关系代词(which/whom)which/whom)引导的定语从句引导的定语从句“介词关系代词(which/whom)”中介词选择的三个介词选择的三个原则原则“一先、二动、三意义”(1)“一先”，即根据先行词的习惯搭配或意义来确定介词。(2)“二动”，即根据定语从句中的谓语动词的习惯搭配来确定介词。(3)“三意义”，即根据定语从句所表达的意义来确定介词。1.The factory _ _Im working mainly

11、produces computers.2.This is the book _ _we talked yesterday.3.Mr Field graduated in 2009,_ _he entered a famous IT company.in whichafter whichabout whichpractice1.These were animal bones and shells _ _ symbols were carved by ancient Chinese people.2.It was in 1952 and Mandela was the black lawyer _

12、 _ I went for advice.3.This is the house in which I once lived.4.The reason _ _ you failed was that you had not followed your mothers advice.5.Yesterday we visited the West Lake _ _ Hangzhou is famous.6.This is the camera _ _ he often takes photos.7.The woman _ _ you spoke just now is our English te

13、acher.8.This is the athlete _ _we have learnt a lot.on whichwith whichfor whichfor whichto whomto whomfrom whom介词后不用that和who注The patient whom she is looking after is her father.并非所有介词都可以放到关系代词前并非所有介词都可以放到关系代词前含有介词的固定动词短语一般不拆开含有介词的固定动词短语一般不拆开,如：如：look for,look after,pay attention to,take care of,look

14、 forward to,go through等等The patient after whom she is looking is her father.关系代词和关系副词的判断关系代词和关系副词的判断依据：先行词在从句中作什么成分依据：先行词在从句中作什么成分先行词在从句中作状语，用关系副词作主，宾，表，用关系代词1.It happened in November _ the weather was wet and cold.2.I will never forget the November _ I spent abroad.3.The reason _ he explained at th

15、e meeting was not sound.4.The reason _ he was late was that he missed his train.5.Id like to live in the house _ there is plenty of sunshine.6.This is the house _ was built by my grandfather forty years ago.即时演练即时演练whenthat/whichwherewhythat/whichthat/whichThis is the factory.I worked in the factory

16、 ten years ago.用用关系副词关系副词引导的定语从句合并下列句子。引导的定语从句合并下列句子。This is the factory where I worked ten years ago.=This is the factory in which I worked ten years ago.1.The school is famous and beautiful.2.We want to study in this school.The school where we want to study is famous and beautiful.=The school in w

17、hich we want to study is famous and beautiful.用用关系副词关系副词引导的定语从句合并下列句子。引导的定语从句合并下列句子。用用关系副词关系副词引导的定语从句合并下列句子。引导的定语从句合并下列句子。定语从句中的注意事项定语从句中的注意事项 定语从句中的主谓一致定语从句中的主谓一致l 定语从句的谓语应该与先行词保持一致 I,who _(be)your teacher,will try my best to help you.I didnt meet the guests who _(be)here.I didnt meet the guest who

18、 _(be)here.amwerewasl 当当先行词是先行词是one of the+one of the+复数名词，从句的谓语动词用复数复数名词，从句的谓语动词用复数。当当先行先行词是词是the verythe very/the only one the only one of the+of the+复数复数名词，名词，从句谓语动词用从句谓语动词用单数单数a.The Great Wall is one of the world-famous buildings that _(attract)lots of visitors every year.b.Its said that the Gre

19、at Wall is the only one of the buildings on the earth that _(be)seen from the moon.定语从句中的主谓一致定语从句中的主谓一致attractis wayway后面的定语从句后面的定语从句先行词way后面的定语从句缺少宾语用that，which或省略若定语从句缺少状语，用in which，that或省略。1.The way _ he explained to us was quite simple.2.The way _ he explained the sentence to us was not difficul

20、t to understand.that/which/不填不填that/in which/不填不填 定语定语从句与非谓语的转化从句与非谓语的转化1.I love the stories that were written by Lu Xun.2.This is the house that was built by my grandfather forty years ago.3.My sister who lives in America doesnt like fast food.1.I love the stories written by Lu Xun.2.This is the house built by my grandfather forty years ago.3.My sister living in America doesnt like fast food.