【课件】Unit+3Discovering+Useful+Structures高一英语人教版（2019）必修第三册.pptx

Unit3 Diverse CulturesDiscovering useful structuresThe Mission DistrictThe Mission District A local museum A local museum1.This district used to be a poor area of town,but is now a centre for art,music,and food.2.A real mix of cultures here.3.When these immigrants.,they carried a bit of home in their hearts,and built a new home here.4.What a city-a city that was able to rebuild!Unit 3 Diverse Cultures1.This district used to be a poor area of town,but(it)is now a centre for art,music,and food.2.(There is)a real mix of cultures here.3.When these immigrants.,they carried a bit of home in their hearts,and(they)built a new home here.4.what a city(it is)!Zhang:yeah,if it is possible,I want to taste all of the delicious food.I really like the Mexican corn chips,do you like the Mexican corn chips?Han:Yes,cant wait.lf needed,I can buy the tickets to S.F.as soon as possible.Li:Me too,I really can not wait to visit a recovering city once a terrible earthquake struck.Thinking:In your opinion,Who expresses himself/herselfin a better/authentic(地道的)way,why?Sorry to have kept you waiting.Seen the movie before?(Im)sorry to have kept you waiting.(Have you)seen the movie before?避免重复避免重复,减少累赘减少累赘Ellipsis2.Add words which have been left out and rewrite the sentences.1.What is ellipsis?Ellipsis means leaving out words rather than repeating them unnecessarily.Guiding Questions 2:2.In what kind of sentence will ellipsis be used?simple sentence (简单句)compound sentence (并列句)complex sentence (复合句)省略前提省略前提:主谓宾主谓宾,定状表定状表,如有重复可删掉。如有重复可删掉。省略原则省略原则:词语省略后词语省略后,不致令人费解。不致令人费解。一、简单句中的省略一、简单句中的省略1.省略主语省略主语 祈使句中主语通常省略祈使句中主语通常省略(You)shut up.Sounds like a good idea.(It)sounds like a good idea.Shut up.2.省略主谓或主谓语的一部分省略主谓或主谓语的一部分Got any ink?3.省略宾语省略宾语This way,please.（You come)this way,please.（Have you)got any ink?-Do you know Miss Gao?-I dont know(her).4、省略表语 Are you thirsty?-Yes,I am -Have you finished your work?-Not yet.(I have)Not(finished my work)yet.5、同时省略几个成分(thirsty)1.若主语或宾语相同，省略共同的主语或宾语。若主语或宾语相同，省略共同的主语或宾语。Tom picked up a book on the floor and(Tom)handed a note to his teacher.Jack must have been playing football and Mary(must have been)doing her homework.二二、并列句中的省略、并列句中的省略2.若主语不同，省略后面谓语部分相同的系动词、若主语不同，省略后面谓语部分相同的系动词、助动词或情态动词。助动词或情态动词。3.若主语与谓语动词相同，则省略后面的主谓成分。若主语与谓语动词相同，则省略后面的主谓成分。His advice made me happy,but(his advice made)Jim angry.He has a knowledge of first aid but his friend doesnt(have a knowledge of first aid).4.若主语不同，但主要动词及后续部分相同，则省若主语不同，但主要动词及后续部分相同，则省略主要动词及后续部分。略主要动词及后续部分。复合句复合句复合句复合句中的省略中的省略中的省略中的省略 When asked the question,John just kept silent.When he was asked the question,John just kept silent.If he is free,Jack will go with us.If free,Jack will go with us.（1 1）当主、从句的当主、从句的主语主语一致一致,从句的谓语动词为从句的谓语动词为be的某种的某种形式时形式时,可省去从句中可省去从句中主语主语+be部分部分1.状语从句中的省略状语从句状语从句状语从句状语从句中中中中的省略的省略的省略的省略 When convenient,I will visit you.When it is convenient,I will visit you.If it is possible,please give me a call.If possible,please give me a call.（2 2）当从句中的主语为当从句中的主语为it且谓语动词为且谓语动词为bebe的某种形式时的某种形式时,可可省去省去it+be部分部分They dont use more water than it is necessary.He runs as fast as Bob runs.在than,as等引导的比较状语从句中可以全部或部分省略。After half an hour,she became quieter than she had been.()()()找出以下句子当中可以省略的部分找出以下句子当中可以省略的部分。2.定语从句的省略。定语从句的省略。The exact year(which/that)Angela and her family spent together in China was 2008.He is the man(whom)they assume to be extremely rich.在限制性定语从句中，作宾语用的关系代词which,that,whom可以省略。(介词介词+关系代词引关系代词引导定从时，关系代词不可省略导定从时，关系代词不可省略)The firm in which Dick worked has gone bankrupt.修饰way的关系词that/in which可以省略。The way he speaks to us is really annoying.(in which)(that)(/)3.宾语从句的省略。宾语从句的省略。I truly believe that beauty comes from within.He said that the text was very important and that we should learn it by heart.及物动词后接宾语从句时，连接词that一般可以省略；但如果及物动词接两个或两个以上that引导的宾语从句时，那么只有第一个that可以省略。(从第二个并列的从第二个并列的宾从开始宾从开始that均不能省略。均不能省略。)()()I know that a movie star will come to our city but I dont know when he will come to our city.Please pass me one of these books,I dont care which you pass me.when,where,which,how和why引导的宾语从句有时可以仅保留引导词。()()找出以下句子当中可以省略的部分找出以下句子当中可以省略的部分。不定式不定式不定式不定式的省略的省略的省略的省略1.1.作作宾语宾语的不定式短语，省略时的不定式短语，省略时只保留只保留to，但如但如不定式不定式to后是后是be或完成式或完成式，则须，则须保留保留be/have:(1)Will you come to the party this evening?-Id like to.(2)He didnt give me the chance,though he had promised to.(3)Are you an engineer?-No,but I want(4)He hasnt finished the task yet.-Well,he oughtto be.(give me the chance).to have.(come to the party this evening).常见的动词有常见的动词有agree,afford,expect,forget,hope,know,manage,pretend,remember,refuse,want,wish,would like等。等。四四、其他省略情况、其他省略情况不定式不定式不定式不定式的省略的省略的省略的省略2 2、使役动词及感官动词后面作、使役动词及感官动词后面作宾语补足语宾语补足语的不定式一的不定式一定要省去定要省去to,to,但在但在被动语态被动语态中须将中须将toto复原。复原。I noticed a man enter the classroom when I passed by.A man was noticed to enter the classroom when I passed by.(被动语态)butbutbutbut、exceptexceptexceptexcept作介词，后接动词不定式作介词，后接动词不定式作介词，后接动词不定式作介词，后接动词不定式 3 3、前有前有do,do,后无后无toto；前无；前无dodo，后有，后有to to（有（有dodo无无toto）The boy did nothing but play.The mother could do nothing but wait for the doctor to come.He had no choice but to wait.All we can do now is(to)wait.The only thing you have to do is(to)press the button.2.使用so,not等时的省略注意：so常用于替代_形式的从句，而not常用来替代_形式的从句。常见的动词有：think/believe/suppose/expect/imagine/guess/hope/fear；say/speak/do；Im afraid 等。so 也可用于疑问表达的省略，如：(1)Is he coming back tonight?-I think so.(2)She must be busy now.-If so,she cant go with us.(3)Is she feeling better?-Im afraid not.肯定否定How so?Why so?Why not?Is that so?How so?Why so?Why not?Is that so?3.介词的省略。介词的省略。一些与动词、名词或形容词搭配的介词常常可以省略。一些与动词、名词或形容词搭配的介词常常可以省略。常见的结构有常见的结构有:have difficulty/trouble(in)doing sthbe busy(in)doing sthspend some time(in)doing sthstop/prevent sb(from)doing sthThere is no sense/point(in)doing sthIts(of)no use doing sth课堂小结2023/5/20261.You mean you are planning a trip across the Atlantic for a holiday?It sounds like a good idea.2.He tried to solve his financial problems,but he couldnt solve the problems.3.If it is necessary,Ill finish my report on American poetry as soon as it is possible.4.Are you going to dress like that?Wearing a dress might be better than wearing jeans and boots.5.Some wild mushrooms are poisonous and some are not poisonous.6.I really like that paper folding book,and my son likes that paper folding book,too.P30 2Rewrite the sentences by taking out the unnecessary parts.2023/5/2027Read the conversation.Find out which words have been left out.P30 3Justin:Linlin,Im going to Guizhou Province next month.Im super excited!Any recommendations for places to visit?Linlin:Wow,cool!Guizhou is a province with a lot of cultural diversity.Places to visit well,definitely the Huangguoshu Waterfall first.Justin:Whats special about the waterfall?Linlin:Well,have you ever heard of the Chinese novel Journey to the West?Justin:Yes,I have.Why?Linlin:In the back of the waterfall,you will find a cave,which is the home of the Monkey King.Justin:Really?Cool!Ill definitely check it out.Linlin:And I strongly recommend the ethnic minority villages.Youll find Chinese culture is much more diverse than you thought.Justin:Sounds great,thanks!Justin:Linlin,Im going to Guizhou Province next month.Im super excited!Do you have any recommendations for places to visit in Guizhou Province?Linlin:Wow,thats cool!Guizhou is a province with a lot of cultural diversity.What are some places to visit in Guizhou?Well,definitely the Huangguoshu Waterfall is the first place to visit in Guizhou Province.Justin:Whats special about the waterfall?Linlin:Well,have you ever heard of the Chinese novel Journey to the West?Justin:Yes,I have heard of the Chinese novel Journey to the West.Why do you ask if I have heard of the Chinese novel Journey to the West?Linlin:In the back of the Huangguoshu waterfall,you will find a cave,which is the home of the Monkey King from Journey to the West.Justin:Thats really true?Its cool!Ill definitely check it out.Linlin:And I strongly recommend the ethnic minority villages on your trip to Guizhou Province.Youll find Chinese culture is much more diverse than you thought it was.Justin:This all Sounds great.Thanks!PracticePracticePracticePractice找出下列句子中可以省略的部分找出下列句子中可以省略的部分1.The burn that she got from the iron was red and it was very painful.2.A boy was on the left side of the sick woman,and a girl was on the right side of the sick woman.3.She has a daughter who is in hospital.4.He went to the doctor because he had to go to the doctor.5.She could not decide whether to send him to hospital or not to send him to hospital.PracticePracticePracticePractice找出下列句子中可以省略的部分找出下列句子中可以省略的部分6.The temple which is surrounded by walls belongs to the local government.7.The first book that I read this term was more interesting than the second book that I read this term.8.To her teachers surprise,she did better in her first aid exam than she was expected to do.PracticePracticePracticePractice找出下列句子中可以省略的部分找出下列句子中可以省略的部分9.I dont think they have returned from the hospital,but they might have returned from the hospital.10.He wanted to help the accident victim but his friend didnt want to help the accident victim.11.You can borrow my first aid notes if you want to borrow my first aid notes.Thanks for watching!