2023年决战高考英语专题讲义名词性从句.pdf

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1、学习必备 欢迎下载 决战 2011 高考英语专题讲义 名词性从句 主语从句、表语从句、宾语从句和同位语从句，它们在复合句中的功用相当于名词，因此称为名词性从句，在句中分别作主语、表语、宾语和同位语。1When he will come is still unknown.2I dont know who has watered the fields.3The problem is that we need more money.4Have you heard the news that our team won the game?1 主语从句：在复合句中作句子主语的从句。引导词：连词 that、

2、whether;疑问代词 who,what,which;疑问副词 when,where,how,why (1)连词 that（无词意）,whether(是否),在从句中不担任句子成分，只起连接作用;whether 能引导主语从句，而 if 不能。That you dont like him has nothing to do with me.Whether John will do this experiment remains a question.（2）疑问代词 who,what,which,在从句中既作连接词又充当主语、宾语、表语、定语等。Who will be sent abroad

3、to further his studies is not announced.What surprised me most was that such a little girl could play the violin so well.Which school will win the prize is not known.Whose dictionary has not been found is still unknown.Whichever you take will be yours.Whoever wants this book may take it.Whatever was

4、 said here must be kept secret.(3)疑问副词 when,where,how,why在从句中充当时间状语、地点状语、方式状语、原因状语 When they will start hasn t been decided yet.Where the heroine went is not mentioned at the end of the story.How he managed to finish the composition in such a short time is still a mystery.Why he often comes here is

5、known to us all.学习必备 欢迎下载(4)用 it 作形式主语的主语从句常用的句型有：Its said that It is certain that It seems/happens that Its possible/important/necessary/clear that,该句型从句的谓语动词使用虚拟语气形式：should+动词原形。It is necessary that we should learn some English grammar.2.表语从句：在复合句中作句子表语的从句 引导词有 that,whether,what,which,who,whom,who

6、se,when,where,why,how,because等（1）引导表语从句的 that 不省略，that 仅起连接作用，在从句中不充当任何成分，无任何意义 The impression he makes on me is that he is a reliable person.(2)the reason 后面的表语从句只能用 that 引导，我们学生易犯“the reason is because”的错误 The reason why the little actress has been such a success is that she is both clever and har

7、d-working.(3)在表示命令 order 等，建议 suggestion,advice 等的名词后的表语从句中，谓语动词要用虚拟语气：should+动词原形，should 可省略 His suggestion is that we(should)hold another meeting to discuss the problem.(4)whether 可引导表语从句，表“是否”，它在从句中不充当成分，if 不能引导表语从句。The question is whether we can rely on him.(5)连接代词 what,which,who,whom,whose除起连接作

8、用外，还在从句中做主语、宾语、表语和定语。Thats what he is worried about.（在从句作中宾语）The problem is who can do the work.（在从句中作主语）（6）连接副词 when,where,why,how起连接作用外，还在从句中作状语。Thats why I was late.导词连词疑问代词疑问副词连词无词意是否在从句中不担任句子成分只备欢迎下载用作形式主语的主语从句常用的句型有该句型从句的谓语动的表语从句只能用引导我们学生易犯的错误在表示命令等建议等的名词学习必备 欢迎下载 That is where he was born.Tha

9、t is how he did it.(6)连词 because 引导表语从句，只用在 That/This/It is because结构中 That is because she often works hard.3宾语从句：从句在句中充当宾语的成分。宾语从句可作谓语动词的宾语，也可作介词的宾语，也可作动词不定式等非谓语动词形式的宾语，还可作某些形容词的宾语从句。Jenny thought(that)her teacher was unfair.Id like to know which one is your husband.I am sure(that)he wont mind.It a

10、ll depends on whether they will support us.4.同位语从句：一般跟在某些名词后面，用以解释或说明前面的名词的内容。经常带同位语从句的名词有 fact,news,message,doubt,possibility,idea,reason,belief,hope,thought,promise,suggestion,question 等。引导词有连词that,whether；连接代词who,which,what 和连接副词where,when,why,how等（1）that,whether 只起连接作用，不在从句中作任何成分。The idea that E

11、ngland stands for fish&chipsis past.There is no doubt that the price of cars will go down.The problem whether we should continue to do the experiment has been solved.(不能用 if)(2)连接代词 who,which,what 和连接副词 where,when,why,how在从句中作相应成分。He cant answer the question how he got the money.The question who sho

12、uld go abroad requires consideration.I have no idea which one I should choose.Ive got a pretty good idea why they left early.The question where we should go has not been discussed.I have no idea when Jack will be back.导词连词疑问代词疑问副词连词无词意是否在从句中不担任句子成分只备欢迎下载用作形式主语的主语从句常用的句型有该句型从句的谓语动的表语从句只能用引导我们学生易犯的错误在

13、表示命令等建议等的名词学习必备 欢迎下载 同位语从句与定语从句的区别：We expressed the hope(that)they had expressed.我们表达了他们曾经表达过的那种希望。（定语从句）We expressed the hope that they would come to visit China again.我们表示希望他们再来中国访问。（同位语从句）1）从语法角度上看，引导同位语从句的 that 是连词，只起连接作用，在从句中不作任何句子成分；而引导定语从句的 that 是关系代词，除起连接作用外，还在从句中作主语或宾语等句子成分。2）从语义角度上看，同位语从句与

14、前面的名词 hope 是同位关系，表示 hope的内容是 they would come to visit China again。因而同位语从句是名词性的，其功能是对名词作补充说明；而定语从句与它前面的名词是所属关系，表示“的”（他们曾经表示过的），起修饰作用，因此定语从句是形容词性的，其功能是修饰先行词。3）同位语从句的连词 that 不能省略，而定语从句的关系代词 that，当其在从句中作宾语中，可省略，作主语也不可省略。Ive heard the news that he visited our factory.Ive heard the news that he told you t

15、he other day.The news that the plane would take off on time made everybody happy.The news that is spreading around the airport is that a heavy storm is coming.The suggestion that students should learn something practical is worth considering.The suggestion that they are considering is that students should learn something practical.导词连词疑问代词疑问副词连词无词意是否在从句中不担任句子成分只备欢迎下载用作形式主语的主语从句常用的句型有该句型从句的谓语动的表语从句只能用引导我们学生易犯的错误在表示命令等建议等的名词