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名词性从句与连接词的关系及例句整理名词性从句是指在句子中充当名词的从句。
它可以在句子中担任主语、宾语、表语、同位语等成分。
而连接词是将名词性从句与主句连接起来的词语，起到引导和连接的作用。
名词性从句与连接词之间的关系密切，正确使用连接词可以更好地构建句子。
一、名词性从句的引导词及作用1. 从属连词"that"和"whether/if"从属连词"that"引导的从句多用作宾语，可以代替较正式的"whether/if"。
比如：- I don't know that he will come to the party.- I don't know whether/if he will come to the party.2. 连接代词"what", "where", "when", "which"和"who"连接代词本身在名词性从句中充当主语、宾语、表语或同位语。
比如：- What she said surprised me. (作宾语)- Where he lives is a mystery. (作主语)- This is the place where we met. (作表语)- The question is which is better. (作同位语)- I'm not sure who will win the game. (作宾语)3. 连接副词"how", "why"和"whether/if"连接副词一般引导名词性从句作表语或宾语。
比如：- The question is how we can solve the problem. (作表语)- He asked me why I was late. (作宾语)- I'm not sure whether/if it will rain tomorrow. (作表语)二、名词性从句的例句整理1. 主语从句主语从句在句子中充当主语，常由连接代词"what", "where", "when", "which", "whether/if"等引导。
英语语法名词性从句用法小结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. 名词性从句的连接词引导名词性从句的连接词可分为四类：1. that（无含义，不充当成分）2. whether, if（有“是否”的含义，但不充当成分）3. 连接代词：what, whatever, who, whoever, whom, whomever,whose, which,whichever.（在从句中做主语、宾语、表语和定语）连接副词：when, whenever,where,wherever, how, however,why（在从句中做状语）4. as if,as though,because（不充当成分，在名词性从句中只引导表语从句）二. 四类名词性从句语法要点1.主语从句在整个句子中用作主语的从句叫主语从句。
What he wants to tell us is not clear.他要跟我们说什么，还不清楚。
It is known to us how he became a writer.我们都知道他是如何成为一名作家的。
Where the English evening will be held has not yet been announced.英语晚会将在哪里举行，还没有宣布。
it 作形式主语：有时为避免句子头重脚轻，常用形式主语it 代替主语从句作形式主语放于句首，而把主语从句置于句末。
It is clear that he is innocent in the accident.很明显，他在这场事故中是无辜的。
2. 宾语从句在整个句子中用作宾语的从句叫宾语从句。
He has told me that he will go to Shanghai tomorrow.他已经告诉我他明天要去上海。
专题名词性从句一、概论在英语复合句中，具有名词功能的从句，叫名词性从句。
名词性从句包括主语从句、宾语从句、表语从句和同位语从句。
例：You can’t imagine what difficulty we had finding out where Zhou kehua hid himself.二、考点(宾语从句) (宾语从句)引导名词性从句的连接词的选择。
例：There is a feeling in me we’ll never know what a UFO is ——not ever.A.thatB. whichC. ofD. What简析：从句we’ll never know.... 是说明feeling(感觉)的具体内容，是一个同位语从句，从句句意完整，不缺成分，因此答案A符合该题语境。
三、突破1）熟记引导名词性从句的连接词：that; if; whether; who; whoever; whom; whomever; whose; what; whatever; which; whichever; when; whenever; where; wherever; why; how; because等。
2）了解掌握各个连接词的具体用法：that: 从句句意完整，不缺句子成分。
例：He is a good student except that he is careless.If/whether: 从句含有“是否”之意。
例：The problem is whether he has finished his homework.wh-: 根据从句所缺成分和句意来判断连接词的选用。
例：I don’t care he doesn’t come.A. thatB. howC. whetherD. If分析：从句含有“是否”之意，因此，排除A,B两项。
从句为否定句时，选用if, 不用whether.3)学会断句，分析句子成分：I wasn”t sure was going to speak.分析：此句在sure后断句，I wasn’t sure是主句，“was going to speak.”是从句，作sure的宾语，因此，是一个宾语从句。
名词性从句2一、引导词选用原则：“缺什么补什么”原则缺主语，指人用who, 指物用what缺宾语，指人用whom/who, 指物用what缺时间状语用when；缺地点状语用where；缺原因状语用why；缺方式状语用how；定语用whose或which；什么都不缺用that或whether（是否）。
二、主语从句：在句子中作主语的从句，就是主语从句。
引导词：1. 从属连词that, whether；2. 连接代词who, what, which，whoever, whatever, whichever;3. 连接副词when, where, how，why填空练习1：1. (_________ is needed for success) is your hard work.2 .(_________ they will arrive ) has been told to the teacher.3. (_________ we will go tomorrow ) hasn’t been decided yet.4. (_________ can join in the sport meet) is decided by the teacher.5. (_________ it will rain or not) is not clear.6. (_________ the earth is becoming warm) is a good topic for research.7. (_________ the earth is a solid ball) is known to us all.8. (_________ team will win the match) is still unknown.9. (_________we will go there) is a question.10 (_________he will go abroad) is being discussed填空练习2：1.________we know,smoking is harmful to our health.2._______is known to us all is that the 2008 Olympic Games took place in Beijing.3._______is known to us all that the 2008 Olympic Games took place in Beijing.4._______is known to us all,the 2008 Olympic Games took place in Beijing.三、wh-ever 引导的让步状语从句及名词性从句比较下列句子，判断属于哪一种从句：1. He believes whatever his wife says. (whatever= anything that ) _________从句2. He believes his wife whatever she says. (whatever= no matter what) _________从句3. Whoever breaks the school rules should be punished. ( whoever= anyone who) _________从句4. Whoever breaks the school rules，he will be punished. ( whoever= no matter who) _________从句四、同位语从句同位语从句一般跟在名词fact, news, promise, truth, belief, thought, idea, doubt, hope, opinion, plan, suggestion等后面, 用以说明或解释前面的名词。
名词性从句由一个主句和一个或一个以上的从句构成的句子叫复合句。
主语从句、表语从句、宾语从句、同位语从句，在整个句子中所起的作用，相当于一个名词。
因此，这四种从句通称为名词性从句。
引导名词性从句的连接词可分为三类：连接词：that, whether, if （不充当从句的任何成分）连接代词：what, whatever, who, whoever, whom, whose, which.连接副词：when, where, how, why1. 主语从句作句子主语的从句叫主语从句。
主语从句通常由从属连词that，whether，if和连接代词what，who，which，whatever，whoever以及连接副词how，when，where，why等词引导。
that 在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。
例如：What he wants to tell us is not clear. 他要跟我们说什么，还不清楚。
It is known to us how he became a writer. 我们都知道他是如何成为一名作家的。
Where the English evening will be held has not yet been announced.英语晚会将在哪里举行，还没有宣布。
有时为避免句子头重脚轻，常用形式主语it代替主语从句作形式主语放于句首，而把主语从句置于句末。
主语从句后的谓语动词一般用单数形式。
常用句型如下：（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（4）It + 不及物动词+ that 从句另注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时，谓语动词要用虚拟语气“(should) +do”，常用的句型有：It is necessary (important, natural, strange, etc.) that …It is a pity (a shame, no wonder, etc.) that…It is suggested (requested, proposed, desired, etc.) that…2. 宾语从句名词句用作宾语的从句叫宾语从句。
引导名词性从句的连接词可分为三类：连词：that（无任何词意）whether, if（均表示“是否”表明从句内容的不确定性）as if ,as though（均表示“好像”，“似乎”）以上在从句中均不充当任何成分连接代词：What, whatever, who, whoever, whom, whose, whichever, whomever 连接副词：When, where, how, why, how many, how much, how often一、名词性that-从句主语：That she is still alive is her luck. 他还活着全靠运气。
宾语：John said that he was leaving for London on Wednesday. 约翰说他星期三要到伦敦去。
表语：The fact is that he has not been seen recently. 事实是近来谁也没有见过他。
同位语：The fact that he has not been seen recently disturbs everyone in his office. 近来谁也没有见过他，这一事实令办公室所有的人不安。
形容词宾语：I am glad that you are satisfied with your job.你对工作满意我感到很高兴。
一、无词义that引导名词性从句时无词义，仅仅起连接或引导从句的作用。
例如：I wish that she would understand me.我希望她能理解我。
It is said that there have been great changes in our hometown.据说，我们的家乡已经发生了巨大的变化。
The reason he didn't come was that he was ill. 他没有来的原因是他病了。
引导名词性从句的连接词可分为三类：连接词：that ,whether ,if 不充当从句的任何成分）连接代词：what, whatever, who, whoever, whom,whose, which.连接副词：when, where, how, why不可省略的连词：1. 介词后的连词2. 引导主语从句和同位语从句的连词不可省略。
That she was chosen made us very happy.We heard the news that our team had won.比较：whether与if 均为"是否"的意思。
但在下列情况下，whether 不能被if 取代：1. whether引导主语从句并在句首2. 引导表语从句3. whether从句作介词宾语4. 从句后有"or not"Whether he will come is not clear.大部分连接词引导的主语从句都可以置于句末，用it充当形式主语。
It is not important who will go.It is still unknown which team will win the match.[编辑本段]二. 主语从句作句子主语的从句叫主语从句。
主语从句通常由从属连词that，whether，if和连接代词what，who，which，whatever，whoever以及连接副词how，when，where，why等词引导。
that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。
例如：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. 谁能赢得这场比赛还不得而知。
名词性从句（一）引导名词性从句的连接词1、连接代词：who, whose, whom, what, which ,whatever ,whoever,whichever。
有词义，在从句中担任成分，如主语、表语、宾语、或定语等。
(注：whatever / whoever的功用：whatever, whoever在主语从句中不含疑问意义。
它引导主语从句，并在从句中作主语、宾语、表语等。
whatever = anything that; whoever = anyonewho；whichever= any that要注意和whatever, whoever，whichever引导的让步状语从句的区别。
）2、连接副词：when, where, why, how。
有词义，在从句中担任成分，作状语。
3、连接词：that, whether, if, as if。
that 无词义，在从句中不担任成分，有时可省略；if (whether),as if虽有词义，但在从句中不担任成分。
注意：1.连接代词与连接副词在句中不再是疑问句，因而从句中谓语不用疑问式。
连接代词与连接副词在从句充当句子成分，连接词whether 和if（是否），as if（好象）在从句中不充当句子成分，只起连接作用。
根据句义，如果连接代词与连接副词，whether、if 和as if都用不上时，才用that作连接词（that本身无任何含义）。
2.在表示建议（advise，suggest，propose），要求（demand，desire，request），决定（decide），命令（oeder，command，require），坚决主张（insist）等动词后面跟宾语从句，用虚拟语气（should）+v如：I suggested that you （should）study hard.He ordered that we should go out at once.(二)主语从句1．定义：用作主语的从句叫做主语从句。
名词性从句连接词的选用
Company number：【0089WT-8898YT-W8CCB-BUUT-202108】 名词性从句的重点、难点、考点： Who whose whom 连接代词 What which when where,
连接词 连接副词 Why how ★ that 无词义，不担任成分，有时可省略
连接词 whether＼ if 是否 （不担任成分） as if ★ 注意：连词的选用： 依据“缺什么补什么”原则确定正确的连词。 如果句子中缺主语，指人用 ，指物用； 如缺宾语，指人用 ，指物用； 如缺时间状语用；地点用 ；原因用 ；方式用 ； 定语用what或which； 什么都不缺用 。whether 和if （一）that 和 what的选用：
What 起连接作用外，还在名词性从句中充当成分。
That 只起连接作用，不充当任何成分。 he wants is a book. 2. ______ he wants to go there is obvious. result is ______ we won the game. is _____ we want to know.
_____ he told us true ？ should pay attention to ______ the teacher is saying. 7. I have no doubt _____ he will come. 8. I have no idea _____ he did that afternoon.
(二） if 和whether 的选用
不能使用if 的情况： a. 主语从句b. 表语从句c. 同位语从句 d. 介词后的宾语从句 e. whether to do 做动词宾语不能用if to do. f .whether or not 连在一起引导宾语从句时不用if. 1. I asked her __________ she had a bike. we will hold a party in the open air tomorrow depends on the weather. 3. We’re worried about ________ he is safe. 4. I don’t know ___________ he is well or not. 5. I don’t know ________ or not he is well. 6. The question is _________ he should do it. doctor can hardly answer the question ______ the old man will recover soon. 8. I don’t know _______ to go.
（三）其它连接代词和副词的连用
何时举行运动会还没有决定。 ________ we shall hold our sports meeting is not decided. 我不知道昨天谁打破了玻璃。 I don’t know _________ broke the glass yesterday. 我不知道他长的什么样子。 I have no idea _________ he looks like. 这就是我忘记眼镜的地方。 This is _________ I left my glasses. （四）引导词that 的省略 that 可省略的情况： 单个宾语从句中的that可省略 that不可省略的情况： a. 主语从句 b.表语从句 c.同位语从句 d.用it做形式宾语的宾语从句 e. 并列的宾语从句中的后几个从句的,引导词that 不能省略 don’t think ________ she is coming. is a pity ________ he has made such a mistake. reason is _________ he is careless . news ________ our team won the match inspired us. don’t think it necessary _________ you should read English aloud. told me __________ his father had died and __________ he had to make a living alone.
五、同位语从句的引导和辨别
1.同位语从句的格式：n.+ 连接词 + 从句 2.能接同位语从句的名词有：fact、idea, news, information, order, belief, suggestion, advice等. 3.连接词通常是that,也可根据含义选用 whether, what, when, where 等来引导同位语从句. 1. I have no idea _________ he comes from. 2. He can’t answer the question ________ he got the money. gave us many suggestions ________ we should get up earlier and take more exercise. have no doubt ________ he will win. 5. I have some doubt ________ he will win.
（六） 同位语从句和定语从句的区别
1.定语从句是先行词的修饰语，它不涉及先行词的具体内容。定语从句中that起连接作用，在定语从句中充当一个句子成分，充当从句的宾语成分时可省略。 2.同位语从句对中 心词的内容作进一步的解释和说明，表明中心词的具体内容。引导同位语从句的that 在同位语从句中不做任何成分,只起连接作用,无具体含义,且不可省略. expressed the hope that they had expressed. 2. We expressed the hope that they would come to China again. information has been announced that more middle school graduates will be admitted into university. information that he revealed at the meeting is of great value. （七） 在表示“命令、建议、坚持、要求”的名词性从句中，要用“should+动词原形”形式，should可以省略。. I made a suggestion that he (should) go there at once. I suggested that he (should) go there at once. The suggestion was that he (should) go there at once. I insist that she (should) do her work alone. 我坚持要她自己工作。 The commander ordered that troops (should) set off at once. 司令员命令部队马上出发\ He insisted that he _____ the money and ____ he ____ set free. A. didn’t steal , / was B. steal , that , shoud be C. didn’t steal , that , should be D. steal , / was
(八） 宾语从句的时态呼应
1. 如果主句时态是现在时或将来时,从句谓语可根据句意需要而选用任一种时态. a .他相信他的梦想总有一天会实现的. He believes _________________________ . b .请告诉我你昨天这个时候在干什么. Please tell me _________________________. (九）名词性从句中一律使用陈序语气。 . He asked how much I paid for the violin. I want to know what he has told you. 我想知道他告诉了你什么。 She always thinks of how she can work well. 她总是在想怎样能把工作做好。 (十) 疑问词+ever 与no matter + 疑问词的区别：
疑问词+ever可以引导________________或_________ . Whoever breakes the law must be punished . 或：Whoever breakes the law, he must be punished .
no matter + 疑问词只能引导_________________________. No matter who breaks the law, he must be punished. (十一) 有些不可直接跟宾语从句的动词。 I hate it when…; I dislike it when…; I’d appreciate it if…I will see to it that… I hate it when people speak with their mouth full. I hate___ when the weather becomes cold because there in no heater inside . A. this B. that C. it D. so Practice: 1. It now appears ______ they are in need of help. A. that B. which C. what D. how 2. It is good news ______ they will arrive in a few days. A. which B. what C. that D. how 3. This is ______ she was born. A. where B. which C. that D. what 4. The question is ______ we can’t go there today. A. that B. what C. which D. when 5. The question is ______ it is worth doing. A. if B. whether C. which D. what 6. The reason he has made such great progress is _______ he has never wasted his time. A. because B. why C. that D. what 7. My suggestion is ______ we should turn the land into rice fields. A. what B. that C. which D. where 8. His proposal is that the dam ______ at the foot of the mountain. A. build B. will build C. be built D. will be built 9. We all know the truth _____ the earth goes round the sun. A. that B. which C. what D. whether 10. We heard the news ______ our team had won. A. which B. that C. what D. where 11. The problem ______ it is right or wrong has not yet been decided. A. which B. that C. whether D. if 12. You must do well ______ the teacher asks you to do. A. which B. what C. that D. where
