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名词性从句课件一、名词性从句概述名词性从句是指在句中充当名词的从句，可以用来作主语、宾语、表语、同位语等。
名词性从句在句子中起到连接句子成分的作用，使句子更加丰富多样，表达更加准确清晰。
名词性从句可以分为以下几种类型：1.主语从句：在句中作主语的从句。
2.宾语从句：在句中作宾语的从句。
3.表语从句：在句中作表语的从句。
4.同位语从句：在句中作同位语的从句。
二、主语从句主语从句在句中作主语，常常以it作形式主语，将实际的主语从句放在句子后面。
1. 主语从句的引导词常用的主语从句引导词有：•Who：谁•What：什么•Where：哪里•When：什么时候•Whether：是否2. 主语从句的例句下面是一些主语从句的例句：•What you said is true.（你说的是真的。
）•Where he went is still a mystery.（他去哪里仍然是一个谜。
）•Whether he will come or not is uncertain.（他是否会来还不确定。
）三、宾语从句宾语从句在句中作宾语，常常出现在某些动词、形容词或介词后面。
1. 宾语从句的引导词常用的宾语从句引导词有：•That：引导陈述句类宾语从句•Whether/If：引导陈述句类宾语从句或疑问句类宾语从句•Wh-：引导疑问句类宾语从句2. 宾语从句的例句下面是一些宾语从句的例句：•He said that he would come tomorrow.（他说他明天会来。
）•I wonder if/whether the train has arrived.（我想知道火车是否已经到站。
）•She asked me what my favorite color is.（她问我最喜欢的颜色是什么。
）四、表语从句表语从句在句中作表语，常常出现在系动词后面，用来说明主语的身份、性质、特征等。
1. 表语从句的引导词常用的表语从句引导词有：•That：引导陈述句类表语从句•Whether/If：引导陈述句类表语从句或疑问句类表语从句•Wh-：引导疑问句类表语从句2. 表语从句的例句下面是一些表语从句的例句：•The fact is that he is the winner.（事实是他是赢家。
•名词性从句？• 1. 定义？• 2. 分类？• 3. 本质？•• 1.定义：在句子中起名词作用的句子叫名词从句(Noun Clauses）。
•名词在句子中作什么成分？• 1. 主语• 2. 宾语• 3. 表语• 4. 同位语•• 2.分类：•句子• 1. 主语--- 主语从句• 2. 宾语--- 宾语从句• 3. 表语--- 表语从句• 4. 同位语--- 同位语从句•• 3.本质•三种句子充当四种成分••三种句子如何充当四种成分的？••罗伯特矮是真的•Robert is short is true.•一个简单句只有一个谓语。
•That Robert is short is true.•主语从句•That Robert is short is true.头重脚轻•It is true that Robert is short .••主语从句常见结构A. It is +形容词+that 从句（clear, possible, likely, natural, certain, fortunate, necessary, strange…B. It is +名词（短语）+that 从句（a pity, a shame, an honor, a good idea, a miracle…）C. It is +过去分词+that 从句（found, believed, reported, thought…•Exam link•Furthermore, it is obvious that strength of a country’s econ omy is directly bound up with the efficiency of its agriculture and industry, and that this in turn rests upon the efforts of scientists and technologists of all kinds.•2000年考研翻译•翻译练习•It is true that the American intellectual is rejected and considered of no account in his society?•20006年考研阅读text 5•• 1.陈述句充当四种成分(句首加that)• 1.1.主语：That Robert is short is true.• 1.2.宾语:I know that Robert is short.• 1.3.表语:The fact is that Robert is short.• 1.4.同位语:•I know the fact that Robert is short .••2一般疑问句充当四种成分•我想知道罗伯特矮不矮。
人教版新课标英语必修模块3系统语法梳理— 名词性从句（学生版）主语从句作主语，如：That he will come and help us is certain.宾语从句 作宾语，如：I will go to that shop and see whether they have a telephone. 名词性从句 表语从句 作表语，如：The difficulty was how he could prove his ideas to other scientists. 同位语从句 作同位语，如：I have no idea when he will be back. 1.名词性从句的语序：名词性从句一律使用_________________语序； 2.名词性从句的结构：连 接 词：that, if, whether3.名词性从句的引导词 连接代词：what, who, whom, which, whose; whatever, whoever, whomever, whichever 连接副词：when, where, why, how; whenever, wherever, however4.名词性从句引导词的功能 （1）连接作用连接词： （2）句法功能 连接代词： 连接副词： 例：That she was chosen made us very happy. What he wants to tell us is not clear. Who will win the match is still unknown. I want to know what he has told you. She always thinks of how she can work well. She will give whoever needs help a warm support.5.名词性从句在句中的位置 （1）宾语从句 （2）主语从句 （3）表语从句 （4）同位语从句一、宾语从句1.宾语从句的定义：在复合句中起宾语作用的从句称为宾语从句，如： Everything depends on whether we have enough money.2.宾语从句在句中的位置连 接 词： 3.宾语从句的引导词以及句法功能 连接代词： 连接副词：● 分类解析（1）由连接词that, if, whether 引导的宾语从句他认为战争是一件可怕的事情。
名词性从句思维导图1)连接词that 引导名词性从句时，只起连接作用，没有任何意思，也不充当句子成分，在宾语从句中可省略，但引导其他名词性从句时通常不省略。
如：I hope (that) you enjoy your holiday. 希望你假期过得好。
That he likes you is very obvious. 很显然他喜欢你。
2)连接词whether 引导名词性从句也不充当句子成分，但有自己的意思，表示“是否”；引导宾语从句时，可换成if，但引导其他名词性从句时不能换成if。
He asked whether / if I would show him the way. 他问我是否可以给他带路。
Whether it will do us harm remains to be seen. 是否对我们有害还要看一看。
(引导主语从句，不能用if 代替whether)3)连接代词what, whatever; which, whichever; who, whoever; who, whoever等引导名词性从句时，均有各自的意义，在从句中作主语、宾语、定语等。
What we need is a lot of money.我们现在需要的是大量的资金。
Help yourself to whatever you want.尽请随意。
Tell me which one you like best. 告诉我你最喜欢哪一个。
You can take whichever you like best.你可以拿你最喜欢的。
Who will be elected is still unknown.谁将当选仍然不得而知。
Send it to whoever is in charge of sales.把这寄给负责销售的人。
I don’t mind with whom you’d like to share the room.我不介意你很谁同住一屋。
名词性从句名词性从句在句中的作用相当于名词,顾名思义，就是用句子充当名词才能充当的功能（一）主语从句China is a great country.Whether we get enough money is a question.主语从句在句中作主语，它可以放在主句谓语动词之前，但是当主语从句太长时，同是把它放在句子后部，前面用it作形式主语，如：That Taiwan belongs to China is well known.It is well known that Taiwan belongs to China.（二）表语从句He is a teacher.This is what I want to see.表语从句在句中作表语，位于主句系动词之后。
（三）宾语从句I don’t know the news.I don’t know where he has gong.I will give the book to whoever comes first.宾语从句在句子中作及物动词或介词宾语。
（四）同位语从句He himself went to the village.We love you,motherland.He made a promise that he would buy him a car.同位语从句一般跟在某些表示抽象概念的名词后面，用以说明名词所表示的具体内容。
常跟同位语从句的名词主要有：idea，news，fact，promise，answer，belief，doubt，fear，hope，problem，proof，question，reply，report，suggestion，thought，truth等。
名词性从句的引导词：单词词义在词中所充当的成分连词that / /if / whether 是否/连接代词what (ever) (无论)什么主、宾、表which (ever) （无论）哪个主、宾、定who (ever) （无论）谁主、、宾、表whom (ever) （无论）谁宾whose (ever) （无论）谁的定连接副词when 什么时候状where 在哪里状why 为什么状how 怎样状3. 找出下列句子中的从句并辨别种类：1）Whether a new airport will be built hasn’t been decided.2）Our difficulty is where we can find a ladder.3）That the player got the first place made us excited.4）He pretended that he was innocent.5）What I think about is whether I should help him.6）I was amazed at the news that he failed in the exam.7) It worries all the parents most that their children oftne chat on the Internet.8) It was a matter of who should get the amount of money.9) We don't’ doubt that he can do a good job of it.10) We have no doubt that he can do a good job of it.名词性从句的语序: 陈述语序1. Can you tell me _________________ then?A. what were you thinking ofB. what you were thinking of2. Can you tell me _______________________?A. what is the matter with youB. what the matter is with you区别what与that探究: what与that在从句中的句法功能有何不同？What在从句中作句子成分，有含义，而that没有含义，不作句子成分。
1）________ she would come at once surprised all of us.2）Please tell me____ has happened to her.3）He did ___ he could to save the drowning girl.4）The exhausted soldiers slept on ___ we called “kang”.5）The fact is ____ we can’t be free that day.6）After _ seemed an hour ,he came to life.7）She doesn’t know ____ ___ she will do with his summer vacation.8) Air is to us what water is to fish.（固定句型）译：__________________________【高考链接】：（2007 全国）_________ matters most in learning English is enough practice.A. WhatB. WhichC. ThatD. Where（三）区别if 与whether1) _____ we will go picnicking depends on _whether_ it will be rainy.2) I have no idea _ __ he will come to the party.3) The question is __ __ he will come to the party.4) I don’t care _ _ he will attend the meeting or not.5) He can’t decide ___ _ to stay here another day.6) He can’t decide __ __ he’ll stay here another day.【高考链接】：（2006 江苏）We haven’t settled the question of _________ it is necessary for him to study abroad.A. ifB. whetherC. whereD. that须使用whether的情况①主、表、同位从句用whether ②介词宾语用whether③whether与or not 连用④不定式前用whether(四) it作形式主语和形式宾语Translate the following:1)很显然你误会我了。
_It is obvious that you’ve made a mistake of me.2)很遗憾你错过了音乐会。
__It is a pity that you missed the concert.3)我觉得很遗憾，你错过了音乐会。
__I feel it a pity that you missed the concert___4)你觉得我们一周内完成论文可能吗？__Do you think it possible that we finish this paper within a week____5)有打电话时我碰巧不在家。
_It happened that I was out when you called me___【高考链接】：（2000 上海）Don’t ________ that all these who get good grades in the entrance examination will prove to be most successful.A. take as grantedB. take this for grantedC. take that for grantedD. take it for granted【焦点关注】：I would appreciate _______ if you come to my grandma’s birthday party and say hello to her.A. thatB. itC. youD. her牢记：在appreciate, like, dislike, love, hate等后接由if或when引导的宾语从句中；在see to, depend on, rely on, count on等后that引导的从句中，从句前常加it作形式宾语。
1)I hate it when they talk with their mouth full of food.2)译：走的时候务必做到锁好门。
__See to it that the door is locked when you leave__3)译：你可相信，他会帮你的。
_You can rely on it that he will give you a hand___虚拟语气在名词性从句中的应用1)It is necessary that _we (should) master a foreign language(我们掌握一门外语。
)2)It was suggested that_the sports meeting be called off at once（立即取消运动会。
）3)The teacher requested that_we turn in our homework immediately_(我们立即上交作业)。
4)My suggestion is that we_______(go) to the cinema together.5)His advice that we__________(come) here on the dot is very reasonable.6)The order came _____ the soldiers ______ the small village the next morning.A. that, had to leaveB. that, should leaveC. /, must leaveD. when, should leave结论：①当主句的表语是strange, natural, important, necessary, possible等形容词时，由that 引导的主语从句，其谓语动词使用虚拟语气，即________________________。
