主语从句讲解课件-2024届高三英语一轮复习.pptx

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1、主语句从主语从句主语从句主语从句主语从句语法规则语法规则定义定义巩固提升巩固提升STEP1探探寻寻定定义义主主谓谓宾宾The girl hits the boy.主语主语宾语宾语动作是谓语动作是谓语主主系系表表The girl looks cruel.主语主语 系动词系动词 表语表语What do you want to do？_ I want to do is to marry you.What_ you want to marry me is impossible.ThatIt is impossible that you want to marry me.It was a pity yo

2、u didnt go to see the film“Ne Zha”.you didnt go to see the film“Ne Zha”was a pity.你没去看你没去看哪吒哪吒，可惜了。，可惜了。thatThat一一.主语从句主语从句放在(be)动词前面的句子It is a question.Whether I can attend university is a question.Sth.主语从句主语从句一一.主语从句主语从句放在(be)动词前面的句子主语很长时，需要变化形式：It is/was that/其他Eg.在大学不逃课是不可能的。That we didnt be abs

3、ent from any classes is impossible.It is impossible that we didnt be absent from any classes.Question:我们该如何辨别简单句还是主从复合句?sentenceWhere a tree Where a tree stands stands is is my hometown.my hometown.A tree A tree standsstands in in front of the front of the teaching building.teaching building.There a

4、re two verbs.There is one verb.attributive clause定语从句定语从句noun clause名词性从句名词性从句adverbial clause状语从句状语从句simple sentence简单句简单句 主语从句主语从句 subject clause宾语从句宾语从句 object clause表语从句表语从句 predicative clause同位语从句同位语从句 appositive clauseNoun Clause(名词性从句名词性从句).The Subject ClauseWhen a sentence serves as subject,

5、we call it Subject Clause.在句子中担当主语的从句就叫做主语从句。主语从句通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。如：STEP2探探寻寻规规律律DiscussionWhere?Where?When When When When?What?What?How How How How?Who?Who?1.1.Where we will have a picnicWhere we will have a picnic should be discussed.should be discussed.2.2.When we will set off Whe

6、n we will set off has to be decided by our teacher.has to be decided by our teacher.3.3.What we will takeWhat we will take is not clear.is not clear.4.4.How we will go for a picnicHow we will go for a picnic should be discussed.should be discussed.5.5.Who will bring a kite Who will bring a kite is u

7、nknown.is unknown.6.6.Whether we can goWhether we can go depends on the weather.depends on the weather.7.7.That the foreign teacher will go with usThat the foreign teacher will go with us is exciting.is exciting.8.8.Whoever go with us Whoever go with us i is s welcome.welcome.结论：结论：1.主语从句多位于主语从句多位于_

8、。在。在 谓语动词的谓语动词的_。2.主语从句的引导词主语从句的引导词_。句首句首前面前面R R u u l le es s1.A1.Whether we can go depends on the weather.A2.If we can go depends on the weather.B1.If she will come is not important.B2.Whether she will come is not important.表示表示“是否是否”时时不能用不能用_,_,要用要用_。whetherifRule 1Rule 1判断下列句子的正误。判断下列句子的正误。主语从句应

9、使用_语序。在主语从句中，谓语动词一般用_数。RulesRules2.C1.Where we will have a picnic should be discussed.C2.Where will we have a picnic should be discussed.D1.How we go for a picnic should be discussed.D2.How do we go for a picnic should be discussed.3.E1.When we will set off has to be decided by our teacher.E2.When w

10、e will set off have to be decided by our teacher.F1.Whether we can go depends on the weather.F2.Whether we can go depend on the weather.Rule 3Rule 2陈述句陈述句单单RulesRules 5.That the foreign teacher will go with us is exciting.It is exciting that the foreign teacher will go with us.That we should wash ou

11、r hands is important.It is important that we should wash our hands.4.G1.That the foreign teacher will go with us is exciting.G2.The teacher will go with us is exciting.Rule 4Rule 4：主语从句中引导词主语从句中引导词主语从句中引导词主语从句中引导词“_“_“_“_”_”_”_”,无意义，不做成无意义，不做成无意义，不做成无意义，不做成分分分分,不能省略。不能省略。不能省略。不能省略。Rule 5Rule 5：常用常用_

12、作形式主语，将真正的主语放于作形式主语，将真正的主语放于_。it句末句末that1.When the meeting will begin _(have)not been decided yet.has2.When they will start and where they will go _(be)still unknown.3.When and where the meeting will begin _(have)not been decided yet.arehas 1.What he needs _ that book.2.What he needs _ some books.注意

13、：what引导的主语从句，可根据表语决定主句动词的单复数形式。isare注意：多个主语从句并列时谓语用复数。1.1.1.1.表示表示表示表示“是否是否是否是否”时不能用时不能用时不能用时不能用_,_,_,_,要用要用要用要用_。2.2.2.2.主语从句应使用主语从句应使用_语序。语序。3.3.在主语从句中，谓语动词一般用在主语从句中，谓语动词一般用_数。数。4.4.主语从句中引导词主语从句中引导词“_“_”_”,无意义，不做成分，不能省略。无意义，不做成分，不能省略。5.常用常用_作形式主语，将真正的主语放于作形式主语，将真正的主语放于_。2.R R u u l le es sifwhethe

14、r陈述句陈述句单单thatit句末句末STEP3巩巩固固提提升升 will go makes no difference.breaks the competition rule should be punished.seems easy to some people seems difficult to others.WhoWhoeverWhat请你归纳：请你归纳：如果如果主语从句主语从句中缺中缺主语主语,指人用指人用 指物用指物用_who/whoever what I will travel with is unknown.he needs is more exercise.we cant

15、get seems better than what we have.Whom请你归纳：请你归纳：如果如果主语从句主语从句中缺中缺宾语宾语,指人用指人用 指物用指物用_whom whatWhatWhat the sports meeting will be held hasnt been decided.he has gone is a mystery.dinosaurs suddenly disappeared still remains a mystery.you got me blind is still a mystery.WhereWhenWhyHow 请你归纳：请你归纳：如果如果主

16、语从句主语从句中缺中缺时间状语时间状语用用 ；如果如果主语从句主语从句中缺中缺地点状语地点状语用用 ；如果如果主语从句主语从句中缺中缺原因状语原因状语用用 ；如果如果主语从句主语从句中缺中缺方式状语方式状语用用 ；why where when how bus we should take is still a question .team will win the match is still unknown.After all,it just lasts for fifteen minutes.Which请你归纳：请你归纳：如果如果主语从句主语从句中缺中缺定语定语,用用 which Whic

17、h we will win the competition is uncertain.ThatWhether请你归纳：请你归纳：如果如果主语从句主语从句中什么都不缺中什么都不缺,用用 表示表示“是否是否”用用 thatwhether the earth is round is known to us all.“缺缺什什么么补补什什么么”原原则则缺主语，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 ；缺地点状语用缺地点状语用 ；缺原因状语用缺原因状语用 ；缺方式状语用缺方式状语用 ；缺定语用缺定语用 或或什么都不缺用什么都不缺用 或或

18、（是否）。（是否）。whowhatwhom/whowhatwhenwherehowwhywhatwhichthatwhether27Summary1.表示表示“是否是否”时，不能用时，不能用_,只能用只能用_。2.主语从句应使用主语从句应使用_语序。语序。3.在主语从句中，谓语动词一般用在主语从句中，谓语动词一般用_数。数。4.主语从句中引导词主语从句中引导词“_”一般不能省。一般不能省。5.主语从句中，常用主语从句中，常用_作形式主语，将真正的主语放于作形式主语，将真正的主语放于_。ifwhether陈述句陈述句单单thatit句末句末 注意：注意：what what 引导的主语从句，可根据引导的主语从句，可根据表语表语决定主句动词的决定主句动词的 单复数形式。单复数形式。注意：注意：多个主语从句并列时谓语用多个主语从句并列时谓语用复数复数。ThanksThanks