Unit 5 Discover useful structures （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、Subject clause 主语从句主语从句Subject clause 主语从句主语从句Learning aims1.Learn to understand the use of subject clauses in context by introducing Yuan Longping.2.Get more information about the topic context and deepen the understanding of the meaning of the topic活动一：感知与注意活动一：感知与注意What she saw surprised her!the

2、cat domade What the cat did made the baby cry.WhatcryMake a sentence活动一：感知与注意活动一：感知与注意report,get the highest points,match It is reported that Yao Ming got the highest points in the match.Make a sentence活动一：感知与注意活动一：感知与注意It makes the teacher angry that the child doesnt know the answer.teacher angryDo

3、nt know the answerMake a sentence30whatever I told you must be kept a secret.Make a sentence活动一：感知与注意活动一：感知与注意1.What Yuan Longping really cared about was not money or celebrity.2.That Yuan Longping had realised his dream of seawater rice surprised the whole world.3.It surprised the whole world that

4、Yuan Longping had realised his dream of developing seawater rice.Find the subject clauses in the following sentences,and translate them.思考：主语从句有哪些引导词，这些引导词如何选用？活动活动二二：获取与梳理获取与梳理4.When they will start is not known yet.5.How he became a great scientist is known to us all.6.Who will take part in the me

5、eting has not been decided.7.Whoever breaks the law will be punished.8.Where she is from is unknown.引导主语从句的关联词:从属连词从属连词(不作成分）不作成分）连接代词连接代词（作成分）（作成分）连接副词连接副词（作状语）（作状语）what,who,whom,whose,which,wh+everthat,whether,when,where,how,why活动活动二二：获取与梳理获取与梳理主语从句考点归纳u 主语从句连接词的使用u 主谓一致u 形式主语结构u 主语从句的语序That he wi

6、ll pass the exam is certain.Whether he will pass the exam is uncertain.uthat _成分，_意义，_省略。uwhether _成分，_意义，译为_。合作探究结论：结论：不做是否无不能不做有主语从句的连接主语从句的连接词有哪些？有什词有哪些？有什么功能？么功能？Who will go makes no difference.What we need is more time.Which book I shall choose hasnt been decided.Whoever breaks the law will be

7、punished.合作探究uwho在主语从句中充当_,译为“_”。uwhat在主语从句中充当_,译为“_”。uwhich在主语从句中充当_,译为“_”。uwhoever在主语从句中充当_,译为“_”。结论：结论：主语谁宾语东西定语哪一主语无论谁When we will leave hasnt been decided.Where the meeting will be held is not known.Why he cries is not clear.How she keeps healthy is a secret.uwhen在主语从句中充当_,译为“_”。uwhere在主语从句中充当_

8、,译为“_”。uwhy在主语从句中充当_,译为“_”。uhow在主语从句中充当_,译为“_”。合作探究结论：结论：状语何时状语何地状语为什么状语怎样功能连接词不作成分that,whether作主、宾、表、what,who,whom,wh+ever作定语which,whose,作状语when,where,why,how Usage of the Conjunctions缺什么补什么缺什么补什么学法指导依据依据“缺什么补什么缺什么补什么”原则确定正确的连词。原则确定正确的连词。所谓所谓“缺什么补什么缺什么补什么”是指是指从句从句与与连词连词之间的关系。之间的关系。如果句子中缺如果句子中缺主语主语，

9、指人用，指人用whowho，指，指物物用用whatwhat。如缺如缺宾语宾语，指，指人人用用whomwhom，指，指物物用用whatwhat。如缺如缺时间状语时间状语用用whenwhen；地点状语地点状语用用wherewhere。原因状语原因状语用用whywhy；方式状语方式状语用用howhow。如缺如缺定语定语用用whatwhat或或whichwhich。如如什么都不缺什么都不缺用用thatthat，WhetherWhether表表“是否是否”。That he will pass the exam is certain.Which book I shall choose hasnt been

10、 decided.How she keeps healthy is a secret.当一个句子的主语是从句时，该句子的谓语 用_。合作探究结论：结论：单数 主谓一致注意What I want is the book.What I want are some books.结论：结论：what 引导的从句做主语时，谓语的单复数取决它的_。观察下列两个句子的谓语，观察下列两个句子的谓语，并尝试得出结论并尝试得出结论表语That we cant go to see the movie is a pity.It is a pity that we cant go to see the movie.形式

11、主语拓展主语从句作真正的主语uIt+be+名词 that从句 It is a pity that 很遗憾很遗憾 It is a fact that 事实是事实是 uIt+be+形容词 that从句 It is obvious that 显然显然.It is important that.重要的是重要的是 uIt+be+过去分词 that从句 It is said that.据说据说.It is known that 众所周知众所周知 形式主语常用句型活动活动三三：实践运用实践运用 MatchMatch the sentence parts.Pay attention to how the su

12、bjects are introduced differently.1.remains an unanswered question.2.is an important topic for us to research.3.is that these chemicals may even cause cancer.4.these vegetables can even be planted without any soil through this new technology.5.is the reason why some people prefer to live in the coun

13、try rather than in the city.A.What worries many people B.That the lifestyle is slower and healthierC.How we can find a suitable solution to produce sufficient food E.It amazed all of us thatD.When these wheat farmers will join this pilot experiment 1._ he made an important speech at the meeting was

14、true.A.That B.Why C.What D.How 2._well go camping tomorrow depends on the weather.A If B Whether C That D Where 3._ is known to us all that America is a developed country.A Which B As C What D It 活动活动三三：实践运用实践运用 Choice 4.Its known to us all _ a form of energy.A.water is B.that water is C.is water D.

15、that water to 5.It worried her a bit _ her hair was turning gray.A.whether B.that C.what D.when6.What I say and think _ none of your business.A.is B.are C.has D have活动活动三三：实践运用实践运用 Choice Read the passage and underline all the subject clauses.Then in pairs，discuss whether the sentences with subject

16、clauses can be paraphrased.活动活动四四：分析与判断分析与判断（SB P53 Part 3）Suggested answers:1.That they look beautiful on the outside is obvious.It is obvious that they look beautiful on the outside.2.What she is unhappy about is the lower nutritional value and reduced flavour.It is the lower nutritional value and

17、 reduced flavour what she is unhappy about.3.How they are going to spend their retirement is an important decision for them.It is an important decision for them how they are going to spend their retirement .4.Whether they can live a healthy life is the first thing they are considering.It is the firs

18、t thing they are considering whether they can live a healthy life.活动五：活动五：想象与创造（想象与创造（Creative Thinking）Talk about a great person like Yuan Longping.What qualities do you think make a person like Yuan Longping so successful?Work in groups.Have a discuss and prepare a presentation.The following point

19、s and expressions may help you.his/her determination to tackle the crisis ofhis/her intense effort to overcomehis/her dream to develop his/her love and care fore he/she succeeded inhe/she never gave upe he/she is devoted toWhat impresses me most is that.What makes him/her a great.is that.It is impor

20、tant that.Whether.depends on.That.is his/her most important quality活动六：活动六：想象与创造（想象与创造（Creative Thinking）Suggested answers:Hello everyone！Today Im glad to share you a great pioneer in agriculture-Yuan Longping.It is known to us all that Yuan Longing always considers himself a farmer.Actually,he is f

21、amous as the“father of hybrid rice”both in China and Abroad.What qualities make him so successful is what I will share next.What impresses me most is that he refuse his parents suggestion to study science or medicine in a college and went to receive an education at Southwest Agricultural College in

22、Chongqing.What makes him one of great scientists in China is his determination to tackle the crisis of the poor harvest and starvation of farmers.It is important that he had a dream to develop a high output rice-the hybrid rice.Whether his dream would be accomplished depended on his intense effort t

23、o overcome all the difficulties during the research.It excited the whole world that he succeeded in finding the solution to boosting yield in the field.His love and care for his people makes him beloved.He is devoted to circulating his knowledge in Asia and many less developed countries to increase

24、their harvest has been helping rid the world of the hunger.That he never gives up and cares little about the money and being famous are his most important qualities.What I taught today is Subject Clause.Have you mastered it?Homewok1.Revise the subject clause.2.Write a passage to introduce a great person like Yuan Longping,using the subject clause.