高三复习 名词性从句
名词性从句知识清单-高三英语二轮专题
名词性从句的用法〔Noun Clauses〕Step1: 名词性从句的种类为4种：〔1〕主语从句.〔2〕宾语从句.〔3〕表语从句.〔4〕同位语从句.一. 主语从句的用法特点：相当于名词的功能，在复合句中作主句的主语.（一）由“that〞引导的主语从句.特点：〔1〕“that〞没有实在意义.〔2〕不行省略.〔3〕后接完整的句子，共同作主语，谓语动词用单数. 〔4〕也可用“it〞作形式主语，而把主语从句放在句末.E g:That the earth goes round the sun is known to all of us.主语系动词表语译文：地球围着太阳转是众所周知的.E g:It’s great that you got a scholarship真正主语译文：你拿了奖学金真是太好了.（二）由“whether〞引导的主语从句.特点：〔1〕“whether〞有意义, 表示“是否〞.〔2〕不行省略.〔3〕后接完整的句子，共同作主语，谓语动词用单数. 〔4〕往往和“or not〞连接. 〔5〕也可用“it〞作形式主语，而把主语从句放在句末.E g:Whether he will e or not is unknown主语译文：他来不来还不知道.E g:Whether he can help me or not doesn’t matter too much.主语=It doesn’t matter too much w hether he can help me or not译文：他是否要关心我关系不大/无关紧要.（三）由“特别疑问词代词和疑问副词〞引导的主语从句.1，疑问代词“what〞引导的主语从句特点：〔1〕“what〞有意义, 表示“什么〞.〔2〕不行省略.〔3〕后接完整的句子，共同作主语，谓语动词用单数. 〔4〕“what〞在从句中作及物动词的宾语，或者在从句中作主语.E g:What I told you is between you and me.主语译文：我告知你的是个隐秘.E g:What’s important is that one strives to achieve a goal.主语译文：重要的是为到达目标而不懈努力.E g:What bothers me is that I have no time.主语译文：让我困扰的是我没有时间.2，疑问代词“whatever〞引导的主语从句特点：〔1〕“whatever〞有意义, 表示“无论什么〞.〔2〕不行省略.〔3〕后接完整的句子，共同作主语，谓语动词用单数. 〔4〕“whatever〞在从句中作及物动词的宾语，或者在从句中作主语.E g:Whatever is worth doing at all is worth doing well.主语译文：任何值得做的事情都值得把它做好.E g:Whatever he said is true.主语译文：他说的任何话都是真的.3，疑问代词“whoever〞引导的主语从句特点：〔1〕“whoever〞有意义, 表示“无论谁/任何人〞.〔2〕不行省略.〔3〕后接完整的句子，共同作主语，谓语动词用单数. 〔4〕“whoever〞在从句中作作主语.E g:Whoever makes such a mistake should be punished.主语译文：凡犯此错的人都应受到惩处.E g:Whoever wants to reach a distant goal must take many small steps.主语译文：不管是谁，要到达远期目标，都必需一步一步往前走.4，疑问代词“where/wherever〞引导的主语从句特点：〔1〕“wherever〞有意义, 表示“无论哪里〞.〔2〕不行省略.〔3〕后接完整的句子，共同作主语，谓语动词用单数. 〔4〕“wherever〞在从句中作作状语.E g: Where we are going to spend the weekend hasn’t been decided yet.主语译文：我们准备去那里过周末还没有打算呢.二.表语从句的用法特点：相当于名词的功能，在复合句中作主句的表语，位于主句的系动词之后.（一）由“that〞引导的表语从句.特点：〔1〕“that〞没有实在意义.〔2〕不行省略.〔3〕后接完整的句子，共同作表语.E g:My biggest problem is that I can’t municate with others freely.主语系动词表语从句译文：我最大的问题就是无法与别人自由沟通.（二）由“whether〞引导的表语从句.特点：〔1〕“whether〞有意义，表示“是否〞.〔2〕不行省略.〔3〕后接完整的句子，共同作表语.E g: What our parents are worried about is whether we will be able to build a better future主语系动词表语从句译文：我们父母所担忧的是我们是否能够创立一个美妙的将来.（三）由“特别疑问词代词和疑问副词〞引导的表语从句.1，疑问代词“what〞引导的主语从句特点：〔1〕“what〞有意义, 表示“什么〞.〔2〕不行省略.〔3〕后接完整的句子，共同作表语，谓语动词用单数. 〔4〕“what〞在从句中作及物动词的宾语，或者在从句中作主语.E g:Luck is what happens when preparation meets opportunity.表语从句译文：幸运就是当一个做好预备的人遇到了时机.E g:Dreams are what you hope for ; reality is what you plan for.表语从句表语从句译文：幻想是的追求，现实是你的方案.2，疑问代词“whatever〞引导的主表从句特点：〔1〕“whatever〞有意义, 表示“无论什么〞.〔2〕不行省略.〔3〕后接完整的句子，共同作表语. 〔4〕“whatever〞在从句中作及物动词的宾语，或者在从句中作主语.E g: The main problem is whatever he has done主语表语从句译文：主要问题是他究竟做了什么事情.3，疑问代词“who/whoever〞引导的表语从句特点：〔1〕“whoever〞有意义, 表示“无论谁/任何人〞.〔2〕不行省略.〔3〕后接完整的句子，共同作表语，谓语动词用单数. 〔4〕“whoever〞在从句中作作主语.E g: The main problem is who can take his place. He really is one of a kind主语表语从句译文：主要问题是谁能取代他的位置. 他真的是独一无二的.4，疑问副词“where/wherever〞引导的表语从句特点：〔1〕“wherever〞有意义, 表示“无论那里〞.〔2〕不行省略.〔3〕后接完整的句子，共同作表语.〔4〕“wherever〞在从句中作状语.E g: The main problem is where we can find a hotel now.主语表语从句译文：主要问题是现在我们到那里去找旅馆.5，疑问副词“how〞引导的表语从句特点：〔1〕“how〞有意义, 表示“无论如何〞.〔2〕不行省略.〔3〕后接完整的句子，共同作表语. 〔4〕“how〞在从句中作方式状语.E g: The main problem is how we can solve such a tough problem.主语表语从句译文：主要问题是我们如何才能解决这个麻烦的问题.三.宾语从句的用法特点：相当于名词的功能，在复合句中作主句的宾语，位于主句的及物动词之后.（一）由“that〞引导的宾语从句.特点：〔1〕“that〞没有实在意义.〔2〕可省略.〔3〕后接完整的句子，共同作宾语.E g: I think(that) this food is out of this world主语及物动词宾语从句译文：我认为这道菜真是一绝.〔二〕“if〞引导宾语从句的特点：〔1〕“if〞有含义，表示“是否〞.〔2〕不行省略.E g: I just wonder / if / she can /e to my birthday party/ tonight.主语状语谓语引导词宾语从句译文：我只是想知道今晚她是否来参与我的生日宴会.留意：“If〞引导的宾语从句的用法与“whether〞引导的宾语从句的用法的两点区分. 〔1〕假设句末没有消失“or not〞, 两者可以互换.〔2〕假设句末消失“or not〞, 只能用“whether〞.E g: I don’t know / if/ whether / my parents can/ e to the class meeting.〔两者皆可〕主句引导词宾语从句比拟：I don’t know whether my parents can e to the class meeting or not.〔只能用“whether〞〕.〔三〕由疑问词引导的宾语从句.1, 由“what〞引导的宾语从句特点：〔1〕“what〞有实在意义，表示“什么〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作主语和宾语.E g: Y ou never know what you can do till you try主语及物动词宾语从句译文：假如不去尝试，你永久也不知道自己能做什么.E g: We never know what will happen to us in the distant future主语及物动词宾语从句译文：我们永久也不知道在遥远的将来究竟发生什么状况.2 ，由“when〞引导的宾语从句特点：〔1〕“when〞有实在意义，表示“何时〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作时间状语.E g: The stranger doesn’t know when the ship arrives主语及物动词宾语从句译文：谋生人不知道轮船何时到达.3 ，由“where〞引导的宾语从句特点：〔1〕“where〞有实在意义，表示“何处〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作地点状语.E g: Could you please tell me where the nearest post office is?宾语从句译文：请你告知告知我最近的邮局在哪里吗?4，由“why〞引导的宾语从句特点：〔1〕“why〞有实在意义，表示“为什么〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作缘由状语.E g: I didn’t understand why my boss was angry with me yesterday宾语从句译文：我不明白老板为什么昨天生我的气.5，由“how〞引导的宾语从句特点：〔1〕“how〞有实在意义，表示“如何〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作方式状语.E g: I don’t know how I can e up with such a good idea宾语从句译文：我不知道如何才能想出一个好的办法.6，由“who〞引导的宾语从句特点：〔1〕“who〞有实在意义，表示“谁〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作主语.E g: Could you tell me who is in charge of sales department?宾语从句译文：我不知道如何才能想出一个好的办法.7，由“whom〞引导的宾语从句特点：〔1〕“whom〞有实在意义，表示“谁〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作宾语.E g: He asked me whom I was waiting for宾语从句译文：他问我在等待谁.8，由“whose〞引导的宾语从句特点：〔1〕“whose〞有实在意义，表示“谁的〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作定语.E g: I can’t decide whose advice I should take宾语从句译文：我打算不了我应当实行谁的意见.9，由“which〞引导的宾语从句特点：〔1〕“which〞有实在意义，表示“哪一个、哪一些〞.〔2〕不行省略.〔3〕后接完整的句子，可以在宾语从句中作定语.E g: Please tell me which class you are in宾语从句译文：请告知我你在哪个班级.〔四〕.宾语从句语序的用法.特点：假设主句为一般疑问句，宾语从句的肯定要用正常语序，也就是宾语从句的情态动词、系动词、助动词不能放在从句的主语前.E g: Can tell me if/whether I have the flu?宾语从句译文：你能不能告知我我是不是得了流感？E g: Do you know where my mother went?宾语从句译文：你知道我妈妈去了哪里了吗？E g: Do you by any chance know why I was fired?宾语从句译文：你是否刚好知道我为什么被炒鱿鱼？〔五〕.宾语从句否认转移的用法.特点：在感知动词，即：“think/believe/suppose/expect〞等动词引导的宾语从句中，从句谓语动词尽管是否认意思，而把否认词转移到主句的谓语动词前.E g: I don’t believe you can finish the project alone宾语从句译文：我信任你一个人无法完成这个工程.E g: I don’t think you are right宾语从句译文：我想你不对.四.同位语从句的用法定义：用作同位语的从句叫做同位语从句。
高三英语语法复习之名词性从句
1.)由连接词that引导的宾语从句
由连接词that引导宾语从句时， that在句中不担任任何成分，在 口语或非正式的文体中常被省 去，但如从句是并列句时,第二 个分句前的that不可省。
He has told me that he will go to Shanghai tomorrow.
注意:在demand, order, suggest, advise, decide, insist, desire, request, command等表示要求、 命令、建议、决定等意义的动 词后，宾语从句常用 “should+ 动词原形”。
I know that he studies English every day.
I know that he studied English last term.
I know (that) he will study English next year.
We all know that he has studied English since 1998.
I insist that she (should) do her work alone.
The commander ordered that troops (should) set off at once.
但是, 如果suggest作“表明、暗 示”讲, insist作“坚持说、坚持 认为”讲，则其后的宾语从句中 应该用陈述语气。
1）It + be + 名词 + that从句 2）It + be + 形容词 + that从句
3）It + be + 动词的过去分词 + that从句
高三英语(课标全国卷)名词性从句和定语从句
高三英语（课标全国卷）名词性从句和定语从句1. 掌握名词性从句连接词的基本用法。
2. 掌握名词性从句时态照应的基本用法。
3. 掌握定语从句关系代词的基本用法。
4. 掌握定语从句关系副词的基本用法。
一、名词性从句名词性从句是一种具有名词功能的非独立分句。
名词性从句包括主语从句、宾语从句、表语从句、同位语从句。
引导名词性从句的引导词有：1)连接代词:what(ever),who(ever)，whom(ever),which(ever)，whose。
作主语、宾语表语、定语。
2)连接副词:when，where, how, why。
作状语、表语。
3)从属连词:that，whether，if不作成分。
（一）that引导的名词性从句1. 引导主语从句1) It is/was+形容词/名词/过去分词+that从句。
It is certain that our team will win the game.我们队一定会赢得比赛。
It is no wonder that our team won the game.我们队赢了那场比赛并不足为奇2)It+不及物动词+that从句。
It never occurred to me that you could succeed in persuading him to change his mind.我没想到你能成功说服他改变主意。
2. 引导宾语从句1)放在及物动词、形容词或介词之后引导宾语从句。
I truly believe that beauty comes from within.我真的相信美来自内心。
I am afraid that you're mistaken.恐怕你弄错了。
He is a good student except that he is a little bit careless. 他是个好学生，就是有点儿粗心。
2)及物动词+it+宾补+that从句。
名词性从句讲义-高三英语一轮复习
一．概念：名词性从句就相当于一个名词（因为名词可以充当主语，宾语和表语，所以名词性从句包含主语从句，宾语从句和表语从句和同位语从句）二．名词性从句主语从句That she is beautiful is a fact.主语从句系定表宾语从句We know that she is beautiful.主谓宾语从句表语从句 Our opinion is that she is beautiful.主系表语从句同位语从句The opinion that she is beautiful is a fact.主同位语从句系定表三．名词性从句的格式 1. that+陈述句=名词宾1.结构：主语 + 谓语2.语序：陈述句语序3.连接词 :①由that 引导②由if /whether 引导know if / whether Hua likes fish.③由特殊疑问词引导，表示特殊疑问意义 I want to know what time it is now.4.时态①当主句是一般现在时，从句根据情况使用任何时态。
（即：主现从不限）I don’t know (that) she is singing now.②当主句是一般过去时，从句应使用过去某时态(一般过去时,过去进行时，过去将来时，过去完成时)。
He said (that) he was at home. 他说他在家里。
③主句使用一般过去时，但从句表示的是客观真理、自然现象时、从句仍用一般现在时。
The teacher told us light travels faster than sound.一、一般结构：主语+连系动词+表语从句，二、可以接表语从句的词有：①be(being, been, am ,is, are, was, were)（be动词）② feel,look,sound, taste, smell (感官动词）③ stand, lie,remain, keep, stay(保持动词）④bee, get, grow, turn ,go ,prove(变化动词）⑤ seem, appear(表象动词)三、公式：a.由连接词that（无意义）, whether（是否）引导的表语从句这时主句的主语常常是抽象名词，如problem, result, chance, suggestion, question, reason 等，表语从句对主句主语进行说明，解释等。
高三英语名词性从句知识点
高三英语名词性从句知识点名词性从句是英语中的一种从句类型，它在句子中充当名词的角色。
在高三英语学习中，掌握名词性从句的用法和结构对于提高语言表达能力至关重要。
本文将介绍名词性从句的几种类型及其用法。
一、宾语从句宾语从句作为主句的宾语，通常由连接词that, whether/if, why, when, where, how等引导。
宾语从句常出现在及物动词、介词、及一些名词后面。
例句1:I don't know where he went yesterday.我不知道他昨天去哪里了。
例句2:She asked me if I had finished the report.她问我是否已经完成了报告。
二、主语从句主语从句作为句子的主语，通常由连接词that, whether/if, what, who, which, how等引导。
主语从句常出现在句首，也可出现在句尾。
例句3:What he said made me angry.他说的话让我生气。
例句4:Whether we succeed or not depends on our efforts.我们是否成功取决于我们的努力。
三、表语从句表语从句作为主句的表语，通常由连接词that, whether/if, what, who, which等引导。
表语从句一般出现在系动词后面。
例句5:The question is whether we can finish the task on time.问题是我们是否能按时完成任务。
例句6:What matters most is whether you have put in enough effort.最重要的是你是否付出了足够的努力。
四、宾补从句宾补从句作为及物动词的宾语补足语，通常由连接词that, whether/if, what, who, which等引导。
宾补从句紧跟在及物动词后面。
高三英语语法复习专题名词性从句(共52张PPT)
Subject 主语
Predicate 谓语
Object 宾语
宾语从句
The question is when we can return to school.
Subject 主语
Link verb 系动词
表语从句
Predicative 表语
Our best wishes are that we can defeat the COVID-19 as soon as possible.
相关概念 名词在从句中可以做什么成分？
名词在从句中主要做 主语 宾语 表语 同位语
名词性从句 : 主语从句, 表语从句, 宾语从句, 同位语从句
起名词性作用的从句，叫名词性从句。 换言之，在英语的句子结构中，本来该由名词充当的主语、宾语、 表语和同位语部分，换由一个句子来充当，这样的句子就是名词性 从句。
基本结构：简单句+并列连词+简单句。
并列连词通常为：and, but, or, so，not only…but also, neither…nor; as well as 等。
并列句：简单句+并列连词+简单句
e.g.
I___a_m____r__e_a__l_l_y___f_o__n__d___o__f__r__e_a__d__i_n__g___b__o__o__k__s_, and t_h__a__t__i_s__w___h__y___m___y___f_a__v__o__r_i_t_e___ s__u__b__j_e__c_t__i_s___l_i_t_e__r_a__t_u__r_e__. He wanted to take the English class, but he couldn’t afford the time.
高三英语语法讲义——名词性从句
高三语法讲义名词性从句名词性从句根据从句在复合句中的语法作用，分为主语从句、宾语从句、表语从句和同位语从句。
1) 主语从句、宾语从句和表语从句①that分句充当主语从句、宾语从句和表语从句。
例如：That she won a gold medal in the contest greatly comforted her parents. (主语从句)We all agree that honesty is the most important policy. (宾语从句)One advantage of living in the suburbs is that you can enjoy fresh air. (表语从句)②whether分句充当主语从句、宾语从句和表语从句。
例如：Whether the meeting will take place on schedule is not certain. (主语从句)I don’t care whether they will agree to my proposal. (宾语从句)My concern is whether we can benefit from the new regulations. (表语从句)③wh-分句充当主语从句、宾语从句和表语从句。
例如：What caused the accident is still unknown. (what解释为“什么”) (主语从句)What is one man’s meat may be another’s poison. (what解释为“所……的”) (主语从句)Please explain why this is impossible. (宾语从句)You have to answer for what you have done. (宾语从句)My question is when we can apply this theory to practice. (表语从句)④感叹句充当宾语从句或表语从句。
高三英语高考语法知识点归纳总结名词性从句
whether
as if
The problem is(that) they can’t get here early enough.
问题是他们不能很早到达这里。
It looks as if it’s going to rain.看起来天要下雨。
在非正式的文体中that可以省去
表语从句位于主句系动词之后
月球上有没有生命是个有趣的问题。
主语从句中只能用whether不可用if。
连接代词
who
what
which
whatever
What he wants to tell us is not clear.
他要跟我们说什么，还不清楚。
Who will win the match is still unknown.
把它移到句子后面，前面用引导词“it”来作形式主语。
宾
语
从
句
陈述意义
that
I believe(that) he is honest.我相信他是忠诚的。
We must never think(that) we are good in everything while others are good in nothing.
连接代词
who
what
which
That’s just what I want.这正是我想要的。
The question is who(which of you) will be the next speaker.
问题是谁（你们哪一位）接着发言。
连接副词
when
where
why
how
This is where our problem lies.
高三英语名词性从句表格
同位语从句说明其刖面的名词的具体内容，常用的名词如：fact,news,idea,hope,thought,order,,word,proof，belief,truth,suggestion,story,
Hedoesn'tcareifitisn't
a
whether常与ornot连用，不能用if代替。
作介词宾语要用
whether不能用if。从
句是否定句时般
特殊疑问意义
who,whom,which,whose,what,when,where,why,
Pleasetellmewhatyouwant.Shealwaysthinksofhowshecanworkwell.
WheretheEnglisheveningwillbeheldhasnotyetbeenannounced.
把它移到句子后面，前面用引导词it来作形式主语。
2、宾语从句:
关联词
例句
说明
陈述意义
that
Ibelieve(that)heishonest.
Wemustneverthink(that)wearegoodineverythingwhileothersaregoodinnothing.
等引导，以示疑
Theproblemis(that)theycan
eeaget
he在非正式的文体中that可以省去。
连接代词
whowhatwhich
enThOp.sjustwhatIwant.
Thequestioniswho(whichofyou)willbethenextspeaker.
名词性从句 知识梳理-高三英语一轮复习
名词性从句句子分类主语+谓语主语+谓语+宾语简单句主语+系动词+表语主语+谓语+宾语+宾补主语+谓语+直接宾语+间接宾语定语从句复合句名词性从句复杂句状语从句并列句：由并列连词把两个或两个以上的简单句连在一起的句子叫并列句从句的特点1.从句也要符合句子的基本结构2.从句只是做为句子某一成分出现的3.从句的关联词很关键, 通常来讲,它们是从句开始的标志名词性从句1. 定义：名词性从句在功能上相当于名词, 在复合句中能担任主语、宾语、表语、同位语等。
主语His job is important.What he does is important.表语This is his job.This is what he does every day.宾语I don’t like his job.I don’t like what he does every day.同位语I don’t know about the man, Mr. White.I don’t know about the fact that he is a teacher.2. 判断谓语动词宾语从句主语从句系动词表语从句When we shall hold the meeting depends on whether John can return tomorrow. The problem is when John will come back.名词同位语从句We expressed our hope that we could visit the country again.思考：定语从句与名词性从句的区别？练习：判断名词性从句1. I don’t know who broke the window.2. She is no longer what she used to be.3. What they need is a good textbook.4. She will give whoever needs help a warm welcome.5. This is where our problem is.6. It is certain that she will do well in her exam.7. The foreigner expressed his hope that he was going to visit the Great Wall again.8. We consider it necessary that he should improve his pronunciation.3. 引导词从属连词：that (无意义）Whether/if （是否）不做成分连接代词：what, whatever, who, whoever, whom, whose, which作主语、宾语、表语连接副词：when, where, why, how作状语4. 分类讲解主语从句（1）that引导的主语从句起连接作用，无词义，在从句中不作成分，不能省略。
高三英语语法复习(名词性从句)
表语从句
表语从句在复合句中作表语，位于系动词之 后。 The question was who could go there. 表语
表语从句考点
1.句子的主语是suggestion, advice, order等名词时, 后面引导的表语从句用should+动词原形,should可 省略。【虚拟语气】 His suggestion is that we (should) finish the work at once. 2.定语从句+表语从句 The reason why he is absent today is that he is ill. 3.主语从句+表语从句 What is known to all is that the earth is round. 4. if 不能用在表语从句中，而是用whether。 The question was whether he could go there.
2.句子的谓语是suggest, advise, order等动词 时,后面引导的宾语从句用should+动词原 形,should可省略。【虚拟语气】
坚持 命令 建议 要求 insist order command suggest advise recommend desire, demand, request, require
同位语从句考点
1.如果名词suggestion, advice, order等词后 的同位语从句的谓语动词要用should+动词 原形,should可省略。 The suggestion that the plan (should) be delayed will be discussed tomorrow. 2. if 不能用在同位语从句中，而是用whether。 The question whether he could go there was important.
高三语法复习 名词性从句
what (什么) / which ( 表选择, 哪一 个、哪一些)
1. ---Do you know ________ what Mr Black’s address is ?
---He may live at No. 18 or No. 19 of Bridge which Street. I’m not sure of _________. 2. I read about it in some book or other. Does it matter _______ which it was?
小结:it 作 形式主语的四个主要句型
1.it +be+形(possible/certain/surprising_) +that从句 2.it+be+名(no surprise/no wonder/a pity_) +that 从句 3.it+be+过去分词(said/reported/thought/ believed/decided_)+ that从句 4.it+不及物动词（happen_）+that 从句
1： That What
二、宾语从句典型错误
1.Idon’t believe that the teacher will not believe not consider our suggestions. 2. She was praised for what she had had she done. if / whether 3. He wants to know I still study English. 4. I am interested in if he can do whether it in such a short time. 5.It is generally considered unwise to give a child nowhatever matter what he or she wants.
高三语法复习专题八 名词性从句
名词性从句考点精析在句子中起名词作用的从句叫名词性从句(Noun Clauses)。
名词性从句的功能相当于名词词组，它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
(一)引导名词性从句的连接词1．引导名词性从句的引导词可分为三类连接词：(不充当从句的任何成分)that, whether, if连接代词：what, whatever, who, whoever, whom, whose, which连接副词：when, where, how, why2．不可省略的引导词(1)介词后的引导词不可省略。
(2)引导主语从句和同位语从句的引导词不可省略。
如：That he was chosen president made us very happy.We heard the news that our team had won first prize.3．whether与if均为“是否”的意思。
但在下列情况下，whether不能被if所取代(1)引导主语从句(包括从句在句首的位置)应当用whether，不用if，如：Whether our team will win remains a problem.Whether he will come, I am not sure.(2)引导表语从句用whether，不用if，如：The question is whether you have enough money now.(3)whether可以引导从句作介词的宾语，而if则不能，如：I’m not interested in whether they’ll come or n ot.It depends on whether we have got enough time.(4)whether可以直接和动词不定式连用，而if则不能，如：I didn’t know whether to wait or to leave.Mike hasn’t decided whether to make a telephone call or not.(5)引导同位语从句用whether，不用if，如：The news whether they will attend the party is not known yet.大部分引导词引导的主语从句都可置于句末，前面用it充当形式主语。
2023届高三英语一轮复习名词性从句讲义
名词性从句名词性从句：在句子中起名词作用的句子叫名词性从句(Noun Clauses)。
名词性从句在复合句中能担任:主语、宾语、表语、同位语等。
名词性从句分为：主语从句、宾语从句、表语从句和同位语从句。
一、引导名词性从句的连接词名词性从句的引导词可分为三类：1、从属连词(5个)(1)that无词义，在从句中不做成分(表明从句的确定性)，在宾语从句或表语从句中that有时可以省略(2)whether, if有词义,在从句中不做成分(whether, if均表示“是否”之意,表明从句内容的不确定性) 不可以省略(3)as if, as though (均表示“好像”，“似乎”之意)在从句中不做成分2、连接代词(9 个)：what, whatever, who, whoever, whom, whomever, whose, which, whichever,有词义，在从句中做成分，不可以省略(who what which在从句中做主语、宾语、其中what指代没有范围的事物， which指代有范围的事物，表“选择哪一个"whom做宾语whose做定语)3、连接副词(7 个)：when, where, how, why, whenever, wherever, however 有词义，在从句中做状语，不用以省略二、主语从句主语从句：作主语的从句叫主语从句。
考点一、主语从句引导词that：无词义，在主语从句中不做成分，不可省略That he dislikes the movie is none of my business.1.whether:翻译为“是否”，在从句中不做成分，不可省略1)Whether he will come is unknown.2)Whether spending money to enhance employees,working skills is the most crucial investment that has been debatedheavily among managers.3)由连接代词what, who, whom, which, whoever, whatever, whichever, whose 等引导的主语从句，连接代词需要在从句中做主语或者宾语，不可省略。
高三复习名词性从句和非谓语转换
名词性从句与非谓语一、名词性从句与动名词名词类的从句可以被化简成动名词和不定式。
1.2.1.that引导的主语从句与动名词例: 1(1) It surprised us that John won the marathon.John`s winning the marathon surprised us.例: 2(1)That he lost the game came as a surprised to everybody.That he knows English helps him start a conversation with foreigners例：3(1)That he was out of work was unexpected(2)That she was ill made her mother worried.(3)That he was chosen as our chairman made us excited.2.that引导的同位语从句与动名词由原来的同位语从句结构“名词+that同位语从句”变成了一个动名词结构“名词+of+动名词的复合结构”。
例: 1(1)There was no chance that Davy would come from the battle alive.(2)There was no chance of Davy coming from the battle alive.例:2(1)We were greatly encouraged by the news that china had launched another man-made satellite.(2)It is said that the book has been translated into many other languages.The book is said to have been translated into many other languages(3)It was reported that the bank in the local has been robbed in broad daylight yesterday(4)it is thought that he is the greatest person in the world.(5)It is arranged that the class meeting will be held next week.3.that引导的宾语从句与动名词由that引导的宾语从句的简化较为复杂，因为它可以转换成动名词，也可以转换成不定式，这主要与主句谓语动词的用法密切相关。
高三一轮复习名词性从句
宾语从句
1.They know _th_a_t__ the habit will kill
them.
2.I don’t know _w_h_a_t ___ they are
talking about.
3.It all depends on __w_h_e_th_e_r they
1. I don’t think __(_th_a_t_)_ she is coming. 2. It is a pity __t_h_a_t__ he has made such a mistake. 3. The reason is ___th_a_t__ he is careless. 4. The news __t_h_a_t__ our team won the match inspired us. 5. I don’t think it necessary _t_h_a_t_ you should read English aloud. 6. He told me _(_th_a_t_)_ his father had died and _t_h_a_t_ he had to make a living alone.
1. I have no idea _w__h_e_re__ he comes from. 2. He can’t answer the question _h_o_w__ he got the money. 3. He gave us many suggestions __th_a_t___ we should get up earlier and take more exercise. 4. I have no doubt __th_a_t__ he will win. 5. I have some doubt _w_h__et_h_e_r_ he will win.
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A. where Alice had put B. where had Alice put
C. where Alice has put D. where has Alice put
(3) Someone is ringing Mary. Go and see __D___.
A. who is he
B. who he is
The news(that they won the game)spread the
whole school. 同位语从句 宾语从句
I don’t think((that) he is an honest boy. )
The
fact
is(that
he
stole
the
car.)
表语从句
同位语从句
Do you know the fact(that he stole the car)?
连接词引：导t名ha词t, 性w从h句eth的er连, if接词
不作成分
无意义
连接代词：what,
w“是ha否te”ver,
who,
whoever,
whom, whomever, whose,
which, whichev作er主/宾/表/定
连接副词：when, where, why, how,
whenever, wherever, however 作状语
名词性从句几个注意的问题
语序问题
(1) They want to know __B___ do to help us.
A. what can they B. what they can C. how they can D. how can they
(2) Can you make sure __C___ the gold ring?
C. who is it
D. who it is
名词性从句的语序是__陈__述__语序，即： 连接词+__主__语___+__谓__语___+__宾__语___+__其__他___
只用whether，不用if的情况
即学即练
1.(_W__h_a_t_ he wants)is a book. 2.(What the doctors really doubt)is (_w_h_e_t_h_er
my mother will recover from the serious disease soon．) 3.(_W__h_o_e_v_e_r helped to save the drowning girl)is worth praising. 4. It was(__w_h_a_t_ he said)______th_a_t____ disappointed me.
saw a piece of dirty rope. I thought nobody
wanted it so I picked it up and took it home.”
“But it is not against the law that a man picks
up a piece of rope and take home!” “ I told
she is co-operative and eager to learn
from others.) 8. I have no idea(_w__h_a_t he did that afternoon.)
9. The question is (_w__h_e_th_e_r_the film is worth seeing.)
5. Have you seen Mary lately? My boss
wants to know(_h_o_w__ she is going along. ) 6. We should pay attention to(_w__h_a_t_ the
teacher is saying.) 7. Doris' success lies in the fact (___th_a_t___
10. The road is covered with snow. I can’t understand (_w__h_y_ they insist on going 入一所重点大学。 My dream is that I can enter a key university. 我能进入一所重点大学是我的梦想。 That I can enter a key university is my dream. 我有一个梦想我能进入一所重点大学。 I have a dream that I can enter a key university. 我总是梦想着我能进入一所重点大学。 I always dream that I can enter a key university.
轻松一刻
Rope or ox?
The man in the prison asked a new
comer why he was sent there. The new comer
answered, “I am out of luck, I think. A few
days ago I was walking in the street when I
Do you know the man(who is standing over
there?) 定语从句
It is said(that they won the game.) 主语从句
形式主语
名词性从句有__主__语__从__句____、__宾__语_从__句_____、 __表__语__从__句____和__同_位__语_从__句____。
you I had bad luck, didn’t I?” the man sighed,
“The trouble is that I didn’t notice there was
an ox at the other end of that rope.”
(What I want to do)is taking a bath. 主语从句