Unit 5 Working the land 主语从句（ppt课件） (2)-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、Discovering useful structuresU N I T 51.recognize and summarize the function and the rules of the subject-clause.2.summarize the syntactic function of the subject clause connective and the usage of it as the formal subject.3.be able to use the subject clause correctly in written and oral expression.

2、Learning objectivesBy the end of this class,you will be able to:Discovering the rulesPA RT 1What Yuan Longping really cared about was not money or celebrity.Translate the sentence.袁隆平真正关心That Yuan Longping had realized his dream of seawater rice Translate the sentence.袁隆平实现了他“海水大米”的梦想震惊了全世界。What con

3、cerned him most Translate the sentence.最让他担心的是农民们常常收成不好，有时甚至严重缺乏食物。Whether it was possible to develop a hybrid of self-pollinating plants such as rice Translate the sentence.是否有可能培育出一种像水稻这样的自花授粉植物的杂交种是一个非常有争议的问题。How this could be done Translate the sentence.如何做到这一点在当时是一个具有挑战性的问题。It is estimated that

4、 about 60 percent of domestic rice consumption in China Translate the sentence.据估计，中国国内约60%的大米消费是由袁的杂交品种生产的。Summary主语从句连接词从属连词：不作成分连接副词：作状语It作形式主语含义在句子中充当主语的句子就是主语从句连接代词：作 主，宾，表，定语 从属连词从属连词(不作成分）不作成分）连接代词连接代词（作主（作主,宾宾,表表,定语）定语）连接副词连接副词（作状语）（作状语）what,who,whom,which,whose,wh+everhow,when,where,whythat

5、(无意义无意义),whether/if主语从句的连接词分类Studying the rulesPA RT 2 引导主语从句，只起引导作用，在主语从句中不充当任何成分。1.That price will go up is certain.2.Whether we go by train or by boat makes no difference.3.It doesnt matter whether/if he will come or not.从属连词：从属连词：that、whether、if【即时演练】1.It doesnt matter _ he will come or not.2._

6、well go camping tomorrow depends on the weather.3.It was doubtful _ Tom really saw Sharon.4._ Tom really saw Sharon was doubtful.5.补全句子：_ made us very happy.她能来帮助我们使我们很高兴。_doesnt matter too much.她来不来都没关系。whether/ifwhetherwhether/ifWhetherThat she could come to help usWhether she is coming or not在句中不

7、仅起连接词的作用，并充当句中的主语、宾语、表语或定语。连接代词连接代词:who、whom、whose、what、which、whenever、whatever、whoever、whichever例：1.What we dont have always attracts us.2.Who will be the president is still unknown.3.Whenever you come is welcomed.我最喜欢的是你的发型。我最喜欢的是你的发型。_ I like most is your hairstyle.What【即时演练】1、谁将赢得比赛还不知道。Who will

8、 win the match is not sure.2、我需要的就是休息。What I need is rest.3、_ you lack is self-confidence.What4、_ more and more students go to universities is true.Thatwhat和that如何选用？引导名词性从句时不仅起连接词的作用，也在句中作状语。例：1.When well start tomorrow will be told soon.2.Why he came here is not known.3.How this happened is not cl

9、ear to anyone.连接副词：连接副词：when、where、how、whyWhowhether/if When that【用适当的连接词填空。用适当的连接词填空。】(1)_ will be sent to carry out the task hasnt been settled.(2)It doesnt matter _ it turns out to be a good idea or a bad idea.(3)_ John will arrive is unknown.(4)Its possible _ he hasnt received the letter.02 为了避免

10、主语冗长，句子头重脚轻。经常用 it 作形式主语。例：That the earth is round is known to all.=It is known to all that the earth is round.clear,obvious,likely,probable,true句型一形容词1.It+be+形容词+主语从句 做.是.的1.It was surprising that she passed the difficult exam.2.It is not clear whether he told a lie.此句型中的形容词是important,necessary等时，从

11、句应该使用虚拟语气。例：It is important that we(should)learn English well.said,reported,believed,thought,announced句型二过去分词2.It+be+过去分词+主语从句 据.1.It is said that they are identical twins.2.It is reported that a big earthquake hit the area.如果过去分词是suggested,ordered,required,advised,requested等表示建议、要求、命令等词时，从句应该使用虚拟语气

12、。例：It is suggested that students(should)make their bed by themselves.a pity，an honor，a good idea，a fact,a/no surprise，no wonder.句型三名词3.It+be+名词+主语从句 做.是.的1.It is a pity that he missed such an interesting film,2.It is good news that he has recovered.seem,happen,appear,look,occur,turn out 句型四不及物动词4.It

13、+不及物动词+主语从句1.It happened that they were out that day.碰巧那天他们不在家。2.It seems that it is going to rain.看起来要下雨了。worry,shock 句型五及物动词5.It+及物动词+宾语+主语从句It shocks me that he failed in this exam.他没通过考试，震惊到我了。【即时演练】1._is a fact that English is being accepted as an international language.2.It is uncertain _ he c

14、an come to Jennys birthday party or not.3._ he made an important speech at the meeting was true.4._is known to us all that America is a developed country.5.Every year,_ makes the most beautiful kite will win a prize in the Kite Festival.ItwhetherThatItwhoever1._(可能)she will come back tomorrow.2._(很明

15、显)this measure is effective.3._(很遗憾)we lost the match.4._(这是事实)he cheated in the exam.5._(据报道)20 people were killed in the accident.6._(建议)we should eat more vegetable and do more exercise.7._(碰巧)I came into the office at that time.8._(我突然想起)I forget to send the letter.It is possible thatIt is obvio

16、us thatIt is a pity thatIt is a fact thatIt is reported thatIt is suggested thatIt happened thatIt occurred to me that【即时演练】03主语从句 主谓一致 问题1.Whether the patient will be taken _ unknown.2.When and where the patient will be taken _ unknown.3.When the task can be finished and whether he can have a rest

17、_ unknown.4.What he wants most _ staying with his family.What they need _ masks(口罩).单个从句做主语，大多数使用_ (单数？复数？)由两个连接词引导同一个主从，谓动使用_(单数？复数？)主语为and连接的两个主从时，谓动使用_(单数？复数？)what在主从中做宾语时，谓语的单复数取决它后面的_。单数单数复数isisareis are表语Summary主语从句that表是否：whether从句不完整从句完整默默守候的连词默默守候的连接副词表时间：when表地点：where表原因：why表方式：how乐于参与的连接代

18、词需要补充成分人：who,whom,whose 事物：what 哪一个：which需要补充成分+表无论时whateverwhoeverwhicheverPractice.Translate the sentences.1.我没想到的是，现在养老院是一床难求。(that)2.事实证明，保持快乐的心态会降低得心脏病的风险。（It）3.听书是否会打消孩子自己去读这本书的积极性还没有定论。(discourage)What I didnt expect is that it is very hard to find a bed in the nursing house for the aged.It i

19、s proved that keeping a happy mind reduces the risk of heart diseases.Whether listening to a book will discourage children from reading it on their own remains a question.高考链接1.(2022高二下和平期末)Its true _ inner beauty is very important,but external beauty shouldnt be completely overlooked.AhowBwhyCthatD

20、what2.(2022高一下静安期中)_ more countries can use natural energy in the future remains to be seen.AWhetherBThisCWhoDIf3.(2022高一下静安期中)One of the men gave his opinion _ the book said was right.Athat BwhatCwhich Dwhether高考链接4.(2022高一下西安期中)It is not a problem _we can win the battle;its just a matter of time.A

21、where Bwhy Cwhen Dwhether5.(2020和平模拟)_ football is such a simple game to play is perhaps the basis of its popularity.AWhat BWhetherCThat DWhich6.(2019高三上天津月考)_ is obviously right is to give all children equal opportunities to develop their special gift.AWhich BAs CThat DWhat高考链接7.We believe _ you ha

22、ve been devoted to _ naturally of great necessity.Athat;beingBall that;beCthat all;areDwhat;is8.(2019 南开模拟)It was never clear _ the man hadnt reported the accident sooner.AthatBhowCwhenDwhy高考链接9.(2020天津河西模拟)_ was most important to her,she told me,was to keep healthy.AIt BThisCWhatDAs10.(2019高一上汕头期中)_ makes me feel worried is _ singing stars are centered on by masses of teenagers today.AWhat;whatBThat;thatCWhat;thatDThat;what