《【课件】Unit+1Discover+useful+structures+表语从句课件高二英语人教版（2019）选择性必修第二册.pptx》由会员分享，可在线阅读，更多相关《【课件】Unit+1Discover+useful+structures+表语从句课件高二英语人教版（2019）选择性必修第二册.pptx（36页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、选择性必修二 Unit 1The Predicative ClausesDiscover useful structuresreviewreview表语从句定义表语从句定义01P a r t O n e1.One theory was that bad air caused the disease.2.Another theory was that cholera was caused by an infection from germs in food or water.3.The truth was that the water from the Broad Street had been
2、 infected by waste.画出下列句子中的表语从句总结：在复合句中作_的从句，叫作表语从句。表语从句接在_之后，对主语进行解释、说明，使主语的内容具体化。表语表语bebe动词或系动词动词或系动词系动词有哪些？系动词有哪些？1.状态类:be动词;keep,remain,stay,2.感官类:look,feel(摸起来),smell,sound,taste3.变化类:become,grow,turn,get,go,come,run,fall4.像类:seem,appear,5.终止类:turn out 结果是,prove 证明是表语从句引导词表语从句引导词注：表语从句用陈述语气，且连接
3、词均不可省略。02P a r t O n elIn general,doctors in those days had two contradictory theories to explain how cholera spread.One theory was _ bad air caused the disease.Another was _ cholera was caused by an infection from germs in food or water.(Para.2)lWhat is more,in another part of London,a woman and he
4、r daughter had died of cholera after moving away from Broad Street.It seemed _ the woman liked the water from the pump so much that she had it delivered to her house every day.(Para.3)一、一、that that 引导的表语从句引导的表语从句thatthatthatthatthatthatthat _ that _ 意义，在表语从句中意义，在表语从句中 _ _ 成分成分,起起_ _ 作用，作用，_ _ 省略。省略。
5、无无不充当不充当连接连接不能不能lThe question is _ we can rely on him.He often tells lies.lThe question is _ we can finish the task on time,for we have only three days left.二、二、whether whether 引导的表语从句引导的表语从句whetherwhetherwhetherwhether思考：可以用思考：可以用“if”“if”来引导吗来引导吗？连接词连接词whetherwhether起起 _ _ 作用，意为作用，意为“_”，在句中也不作任何成分（
6、注意：在句中也不作任何成分（注意：if _if _引导表语从句引导表语从句)。连接连接是否、究竟、到底是否、究竟、到底不能不能三、三、what,which,who,whom,whose what,which,who,whom,whose 等引导的表语从句等引导的表语从句lTom is no longer _ he used to be.lThe question is _ of us should come first.(我们两个中的哪一个)lThe problem is _ is really fit for the hard job.lThe important thing is _nam
7、e should be put on the top of the list.what whatwhichwhichwhowhowhosewhose连接代词连接代词 what,which,who,whom,whose what,which,who,whom,whose 除在句子中起除在句子中起 _ _ 作用外，还可在从句中作作用外，还可在从句中作 _、_ _ 或或 _，且，且各有词义。各有词义。连接连接主语主语表语表语定语定语四、四、where,when,why,how where,when,why,how 引导的表语从句引导的表语从句lThats _ I cant agree with yo
8、u.lThis is _ Sara was late for the meeting.(She missed the early bus.)lThis is _ they overcome the difficulties.lMy strongest memory is _ I attended an American wedding as a child.wherewherewhywhyhowhowwhenwhen连接副词连接副词where,when,why,howwhere,when,why,how除在句中起除在句中起_ _ 作用外，在作用外，在从句中还充当从句中还充当_、_、_或或_状语
9、，本身具状语，本身具有词义。有词义。连接连接时间时间地点地点方式方式原因原因lIt seems _ he doesnt know the answer.lIt looks _ it is going to rain.五、五、as if/as though as if/as though 引导的表语从句引导的表语从句 as as if if/as as thoughthoughas as if if/as as thoughthoughas if/as though as if/as though 引导的表语从句常置于引导的表语从句常置于_ look,_ look,seem,sound,be,b
10、ecome seem,sound,be,become 等等_。系动词系动词后面后面注意：as if/as though引导的表语从句如果是事实，就用陈述语气；如果与事实不符，就用虚拟语气。1.It sounds as if someone is knocking at the door.(与事实相符)2.Tom likes to talk big as if he werewere an important person.(对现在的虚拟，用一般过去时，对现在的虚拟，用一般过去时，bebe动词用动词用were)were)3.He opens his mouth as he wouldwould
11、say something.(对将来的虚拟，用对将来的虚拟，用would/could/might+would/could/might+动词原形动词原形)4.He talked about Rome as if he had beenhad been there.(对过去的虚拟，对过去的虚拟，用用had done)had done)1.1.The reason why he is late for school is The reason why he is late for school is _ _ he he missed the bus.missed the bus.2.Why we d
12、ecided to put off the football match is2.Why we decided to put off the football match is _ _ the weather was too bad.the weather was too bad.thatthatthathat t当主句的主语是当主句的主语是 _ _ 或或 why why 引导的引导的 _时时常用常用 _ _ 来引导表语从句，而不用来引导表语从句，而不用 becausebecause。the reasonthe reason主语从句主语从句thatthatAttentionAttention3
13、.I think thats _ he was so angry.4.I think it is _ you are doing too much.5.The reason _ he was so late is _ it was raining hard.whywhybecausebecauselthat/this/it+is/was+why+_(原因/结果)表示“_”lthat/this/it +is/was+because+_(原因/结果)表示“_”lthe reason why is that 中 why 是引导 _，that 引导的是 _，表示“_”。这这 /那就是那就是的原因的原因
14、结果结果这这 /那就是因为那就是因为原因原因whywhythatthat定语从句定语从句表语从句表语从句的原因是的原因是 AttentionAttention6.My suggestion is that we _(go)and help him.7.My advice is that we _(get)there by train.(should)(should)gogo(should)(should)getget当主句的主语是表示建议（当主句的主语是表示建议（suggestion,advicesuggestion,advice）、命令）、命令（orderorder）、要求（）、要求（req
15、uest,proposalrequest,proposal）、计划（）、计划（planplan）等的）等的名词时，表语从句要用虚拟语气，即（名词时，表语从句要用虚拟语气，即（shouldshould）+动词原形。动词原形。AttentionAttention 常见句式常见句式1.1.It seems/appears that+It seems/appears that+句子句子“似乎似乎.”.”2.2.It turns out/proves that+It turns out/proves that+句子句子“结果、原来结果、原来.”.”3.3.The chances are that+The
16、 chances are that+句子句子“可能可能.”.”1.It seems that we are going to be late.2.It turns out/proves that she was a friend of my sister.3.The chances are that he will recover from his injury in time for the next game.巩固练习巩固练习03P a r t O n e1.My worry is if he can get there on time.2.The reason why he failed
17、 was because he hadnt studied hard.3.My advice is that he sees the doctor right away.4.The trouble is what we are short of money.thatthatPractice and ApplyPractice and Applywhetherwhetherthatthatseesee即学即练改错改错Complete the following ideas by famous scientists with a word or Complete the following ide
18、as by famous scientists with a word or expression that introduces a predicative clause and translate expression that introduces a predicative clause and translate them in your own words.them in your own words.1.1.Research is Research is _ Im doing when I dont know Im doing when I dont know what Im w
19、hat Im doing.(Werner von Braun)doing.(Werner von Braun)whatwhat as though because that what whoever whyas though because that what whoever whyPractice and Apply Practice and Apply 研究就是当我不知道自己在做什么的时候我在研究就是当我不知道自己在做什么的时候我在做的事。做的事。布劳恩（徳裔美籍火箭科学家）布劳恩（徳裔美籍火箭科学家）2.The saddest aspect of life right now is _
20、science gathers knowledge faster than society gathers wisdom.(Isaac Asimov)thatthat as though because that what whoever whyas though because that what whoever whyPractice and ApplyPractice and Apply当下生活最可悲的一面就是科学积当下生活最可悲的一面就是科学积累知识的速度超过了社会积累智慧累知识的速度超过了社会积累智慧的速度。的速度。艾萨克艾萨克阿西莫夫阿西莫夫 （美国科幻小说作家、化学家）（美国科幻
21、小说作家、化学家）3.An expert can be _ has made all the mistakes that can be made in a very narrow field.(Niles Bohr)whoeverwhoever as though because that what whoever whyas though because that what whoever whyPractice and ApplyPractice and Apply专家可能是在一个非常狭窄的领域里犯了专家可能是在一个非常狭窄的领域里犯了所有可能犯的错误的人。所有可能犯的错误的人。尼耳斯尼耳
22、斯玻尔玻尔 （丹麦物理学家）（丹麦物理学家）5.This applied science,which saves work and makes life easier,brings us little happiness.That is _ we have not yet learnt to make sensible use of it!(Albert Einstein)becausebecause as though because that what whoever whyas though because that what whoever whyPractice and ApplyP
23、ractice and Apply这种节约工作量，使生活更容易的应用科学，这种节约工作量，使生活更容易的应用科学，给我们带来的快乐很少。那是因为我们还没有给我们带来的快乐很少。那是因为我们还没有学会合理地利用它学会合理地利用它!爱因斯坦爱因斯坦6.There are only two ways to live your life.One is _ nothing is a miracle.The other is _ everything is a miracle.(Albert Einstein)as thoughas thoughas thoughas though as though b
24、ecause that what whoever whyas though because that what whoever whyPractice and ApplyPractice and Apply你的生活只有两种方式。一种是好像什么都你的生活只有两种方式。一种是好像什么都不是奇迹。另一种是好像一切都是奇迹。不是奇迹。另一种是好像一切都是奇迹。爱因斯坦爱因斯坦1.The fact was .事实是他没有做真正的努力。2.The question is .问题是这部电影是否值得看。3.she had known Millie for years.看起来好像她认识米莉已有好多年了。4.My
25、 advice is as often as possible.我的建议是你尽可能经常地练习说英语。2.Complete the sentences.2.Complete the sentences.that he didnt really trythat he didnt really trywhether the film is worth seeingwhether the film is worth seeingIt seemed as though/ifIt seemed as though/ifthat you(should)practise speaking Englishtha
26、t you(should)practise speaking English5.Thats .那就是我第一次遇见她的地方。6.The problem is .问题是谁才真正适合做这份艰苦的工作。7.That is .那就是我想让你在这儿工作的原因。8.I was late for school this morning.last night.今天早上我上学迟到了。那是因为我昨晚睡得太晚了。where I first met herwhere I first met herwho is really fit for the hard who is really fit for the hard
27、jobjobwhy I want you to work herewhy I want you to work hereThats Thats because I stayed up tobecause I stayed up too lateo late Everyone knew 1.Wendy was a famous writer,but no one knew 2.she came from and 3.she was born in 1961 was still a mystery.4.they did know was 5.she was loved by poor people
28、 because she always helped 6.was in need of money.Wendy was generous and helpful，but some people thought she was chasing fame.Wendy said she didnt understand 7.they were so narrow-minded，but it didnt matter 8.others thought of her.She just wanted to do 9._ she thought was right.She thought that was 10.the meaning of life lied.3.Fill in the 3.Fill in the blanks.blanks.thatthatwherewherewhetherwhetherWhatWhatthatthatwhoeverwhoeverwhywhywhatwhatwhat(ever)what(ever)wherewhere单/击/此/处/添/加/副/标/题Thanks