Unit 5 Working the Land Discover Useful Structures 主语从句（ppt课件）-2024新人教版（2019）《高中英语》选择性必修第一册.pptx

1、UNIT 5:SUBJECT CLAUSES-主语从句In this class we will:u Learn how to identify the uses of noun clauses.u Master the use of the subject clauses.u Practice using and translating the subject clauses.句子句子 类型类型简单句简单句并列句并列句复合句复合句主句主句形容词性从句形容词性从句 名词性从句名词性从句副词性从句副词性从句从句从句(定语从句)(状语从句)Definition:Your smile is impr

2、essive.Dont put off your assignment till tomorrow.Promise,sometimes,is a lie.We must keep the truth in mind.China,a beautiful country,is my hometown.Tips:Nouns can function as subject,object,predicative（表语）（表语）,appositive（同位语）（同位语）.Definition:What impresses me most is your smile.Dont put off till to

3、morrow what should be done today.Promise,sometimes,is what a cheater says to a fool.We must keep the truth in mind that all time is no time when it is past.Tips:Clauses that function as subject,object,predicative,appositive are called noun clauses.There are subject clauses,object clauses,predicative

4、 clauses,appositive clauses.引导词引导词名词名词主语、宾语、表语、同位语主语、宾语、表语、同位语主语从句、主语从句、宾语从句、宾语从句、表语从句、表语从句、同位语从句同位语从句1.However,what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.2.How this could be done was a challenging question at the time.3.

5、Yuan was convinced that the answer could be found in the creation of hybrid rice.4.I have no idea how soon they are coming.Find out the noun clauses in the reading passage.主语从句、表语从句主语从句、表语从句主语从句主语从句宾语从句宾语从句同位语从句同位语从句名词性从句主语从句宾语从句表语从句同位语从句定义定义：主语从句就是在复合句中作主语从句就是在复合句中作_的名词性的名词性从句，通常放在从句，通常放在主句谓语动词之前主句

6、谓语动词之前或由或由形式主语形式主语it代替代替，而本身放在句子末尾。而本身放在句子末尾。主语主语e.g.What he did in the earthquake moved everybody.主语主语谓语谓语宾语宾语从句从句1.That he will pass the exam is certain.2.Whether he will pass the exam is uncertain.3.Who will go makes no difference.4.What we need is more time.5.Which book I shall choose hasnt been

7、 decided.温馨提示：先找谓语动词找出下列句子中的主语从句找出下列句子中的主语从句思考：思考：主语从句的连接词有哪些？主语从句的连接词有哪些？分别有什么功能？分别有什么功能？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(无意义无意义),whether(是否是否)不能省略不能省略devote.to.move all people around the worldYuan devoted all his

8、life to developing hybrid rice moved all people around the world.ThatThat不做成分，没有意义，不能省略不做成分，没有意义，不能省略tackle the situationdepend on his ability He can tackle the situation depends on his ability.ThatWhether Whether we can go to picnic tomorrow is still a question.That the wounded soldier is still ali

9、ve is a wonder.That Mr.Zhou will come is certain.Whether the work can be completed on time is doubtful._用whether或that填空。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）that(无意义无意义),whether(是否是否)不能省略不能省略 the cat domadeWhat the cat did made the baby cry.cry连接代词从属连词从属连词(不作成分）不作成分）连接代词连接

10、代词（作（作主主,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+everthat(无意义无意义),whether(是否是否)(不能省略不能省略)attain successunknown he attained success is unknown.How连接副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(无意义无意义),whether

11、(是否是否)(不能省略不能省略)原则：原则：缺什么补什么缺什么补什么“缺什么补什么缺什么补什么”原则原则缺主语，指人用缺主语，指人用_，指物用，指物用_缺宾语，指人用缺宾语，指人用_，指物用，指物用_缺时间状语用缺时间状语用_；地点状语用地点状语用_；原因状语用原因状语用_；方式状语用方式状语用_；定语用定语用_；什么都不缺用什么都不缺用_。whowhatwho/whomwhatwhenwherewhyhowwhich/whosethat/whether（是否）（是否）探寻规律探寻规律1 1：主语从句主语从句 主谓一致主谓一致 问题问题1.Whether the patient will be

12、 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 _ unknown.4.What he wants most _ staying with his family.What they need _ masks(口罩口罩).主句的谓语动词，大多数使用主句的谓语动词，大多数使用_ (单数？复数？单数？复数？)由两个连接词引导同一个主从，谓动使用由两个连接词引导同一个主从，谓动使用_(单

13、数单数?复数复数?)主语为主语为andand连接的两个主从时，谓动使用连接的两个主从时，谓动使用_(_(单数？复数？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表语。单数单数单数单数复数复数isisareis are探寻规律探寻规律2 2：主语从句的语序主语从句的语序找出下列句子中的错误，并总结规律找出下列句子中的错误，并总结规律主语从句一律用主语从句一律用_，即主语在前，谓语在后。即主语在前，谓语在后。正正：When he will come is not known.1.When will he come is not known.How we go for a pic

14、nic should be discussed.How do we go for a picnic should be discussed.陈述语序探寻规律探寻规律3 3：主语从句太长怎么办？主语从句太长怎么办？That all countries work together is important.用一个用一个 It 来解决问题！来解决问题！It is important that all countries work together.主语从句为了避免头重脚轻现象主语从句为了避免头重脚轻现象,用用it做做_，而把从句放在后面充当，而把从句放在后面充当_。真正的主语真正的主语形式主语形式主

15、语Can you rewrite the following sentences.1.That the earth turns around the sun is known to all.2.That they are badly in need of help is quite clear.It is known to all that the earth turns around the sun.It is quite clear that they are badly in need of help.定 义引导词形式主语主谓一致总 结单个主语从句-单数多个主语从句-复数Itbe形容词/

16、名词短语/过去分词/不及物动词that从句语序陈述语序Pick outPick out one number and one number and finish the task in it.finish the task in it.GameTime Where he comes from are a mystery.单句改错单句改错is1 point从句作主语，谓语动词要用从句作主语，谓语动词要用单单数数 _ they are most interested in is how they can produce more and better cars.A.That B.Who C.Wha

17、t D.When单项选择单项选择2 pointswhat 在从句中作在从句中作宾语宾语，译为，译为“什么什么”他他是否是否是我的孩子是我的孩子仍然是个问题。仍然是个问题。_ remains a question.Whether he is my child3 points完成句子完成句子whether放在放在句首句首引导主语从句，意为引导主语从句，意为“是否是否”That is obvious that he didnt pass the exam.单句改错单句改错It1 pointit充当形式主语，充当形式主语，that从句为真正的主语从句为真正的主语众所周知，众所周知，雨天要穿雨鞋雨天要穿

18、雨鞋。_we wear rain shoes on rainy days.It is known that完成句子完成句子3 points_is rest.我需要的我需要的就是休息。就是休息。What I need3 points完成句子完成句子 If she will come or not is still a question.单句改错单句改错Whether1 pointwhether位于句首引导主语从句，但位于句首引导主语从句，但if不能。不能。What will be our monitor has not been decided.单句改错单句改错Who1 point缺主语，缺主语

19、，指人指人应该用应该用who。That he wants to visit is the Great Wall.单句改错单句改错What1 point缺宾语，缺宾语，指物指物，用，用what。_ is attracted by her.无论谁见到这个女孩无论谁见到这个女孩都被她吸引。都被她吸引。Whoever sees the girl3 points完成句子完成句子 _ the boy didnt take medicine made his mother angry.A.That B.What C.How D.Which单项选择单项选择2 points不缺成分，没有意义，不能省略，用不缺成

20、分，没有意义，不能省略，用that That we go swimming every day _ us a lot of good.A.do B.doing C.does D.done 单项选择单项选择2 points从句作主语，谓语动词要用从句作主语，谓语动词要用单数单数_Yao Ming got the highest points in the match.据报道，据报道，姚明在这场比赛中得了最高分。姚明在这场比赛中得了最高分。It is reported that 3 points完成句子完成句子 _ they can solve the question is still unkn

21、own.A.If B.Which C.Whether D.What单项选择单项选择2 points不缺成分，表示不缺成分，表示“是否是否”，用，用whether。_ is your hairstyle.我最喜欢的我最喜欢的是你的发型。是你的发型。What I like most3 points完成句子完成句子 _ is a fact that English is accepted as an international language.A.There B.This C.That D.It单项选择单项选择2 pointit充当形式主语，充当形式主语，that从句为真正的主语从句为真正的主语1

22、._ is so breathtaking about the experience is the out-of-this-world scenes.（2021新高考语法填空）新高考语法填空）2.It is not a problem _ we can win the battle;its just a matter of time.（2020江苏卷）江苏卷）3.It is often the case _anything is possible for those who hang on to hope.(2016江苏江苏)4.Exactly _ the potato was introdu

23、ced into Europe is uncertain,but it was probably around 1565.(2014 全国大纲卷，全国大纲卷，24)5._makes the book so extraordinary is the creative imagination of the writer.(2013 北京，北京，31)1.What is so breathtaking about the experience is the out-of-this-world scenes.（2021新高考语法填空）新高考语法填空）2.It is not a problem whet

24、her/if we can win the battle;its just a matter of time.（2020江苏卷）江苏卷）3.It is often the case that anything is possible for those who hang on to hope.(2016江苏江苏)4.Exactly when the potato was introduced into Europe is uncertain,but it was probably around 1565.(2014 全国大纲全国大纲,24)5.What makes the book so extraordinary is the creative imagination of the writer.(2013 北京，北京，31)Thank you!Bye Bye