同位语从句属于名词性从句
同位语从句属于名词性从句
同位语从句属于名词性从句，大多由从属连词that引导，常常跟在fact, idea, opinion, news, hope, belief等名词后面。
同位语从句一般用来解释或说明这些名词的具体含义或内容，在逻辑上表现为同位关系。
例如：They are familiar with the opinion that all matter consists of atoms.他们很熟悉这一观点，所有的物质都是由原子构成的。
1、从先行词来看同位语从句与名词之间在逻辑上是"主语＋be＋表语"的关系。
该名词是需要做特殊说明的抽象名词。
例如：They were delighted at the news that their team had won.当听到他们的球队赢了的消息时，他们欣喜若狂。
2、从引导词来看引导词that在同位语从句中是连词，只起连接作用，无具体词义，that不可省略；that在定语从句中是关系代词，它在从句中充当一定成分---主语或宾语，有具体词意，作宾语时还可以省略。
试比较：The factory(that)we visited yesterday is a chemical one.我们昨天参观的那家工厂是化工厂。
(that在从句中作宾语，所以此句是宾语从句)The news that he will leave for Shanghai is true.他将要去上海的消息是真的。
(that只起连接从句的作用，所以此句是同谓语从句)同位语从句讲解及练习一、理解同位语从句的含义，把握同位语从句的实质 在主从复合句中作同位语的从句称为同位语从句。
同位语从句一般用that, whether，what, which, who, when, where, why, how 等词引导，常放在fact, news, idea, truth, hope, problem, information, wish,promise, answer, evidence, report, explanation, suggestion, conclusion等抽象名词后面，说明该名词的具体内容。
高三英语语法讲解同位语从句
同位语从句一、同位语从句的位置与定语从句的比较：1、同位语从句与定语从句一样，都是用在名词后面。
所不的就是：定语从句是修饰限制它前面的名词，因此，它是属于形容词从句。
而同位语从句属于名词性从句，它是用来说明它前面的名词内容的，或者说是解释前面名词的内容。
2、同位语从句只用that作为开头（I have no idea除外），属于连词，在从句中不起成分作用，但不可省略。
而定语从句是以关系代词、关系副词开头，它们在从句中起句子成分作用（作主语、宾语、表语、定语或状语），作宾语时可以省略。
3、只有在内容方面可以进一步阐明的名词（一般为抽象名词）才能带同位语从句，而几乎任何名词都可以带定语从句。
比较：（1）The suggestion （that） she has given at the meeting is good.（2）The suggestion that she should stay in the room is good.（1）句中that she has given at the meeting这个从句说明了是她提出的建议，不是别人的建议，也就是限定了the suggestion的范围，但并没有说明建议的内容。
从结构上分析，that是give的宾语，所以这个从句是定语从句。
（2）句的that she should stay in the room这个从句说明了建议的内容，同时，that只起连词作用，在从句中既不是主语，也不是宾语，但不能省略，所以它是同位语从句。
二、同位语从句前常用的名词：同位语从句说明的名词常见的有：ability， advice， answer，belief， doubt，discovery， fact， fear， hope， idea， information， message，news， order，possibility， problem， proposal， question， story， suggestion， theory， thought，word（消息）等。
高考英语考点 74同位语从句
考点七十四同位语从句在复合句中用作同位语的从句称为同位语从句。
同位语从句是名词性从句的一种。
它一般放在fact, news, idea, truth, hope, problem, information, belief, thought, doubt, promise, question等抽象名词的后面，对前面的名词作进一步的解释，说明前面名词的具体含义。
1.☞The hope that he may recover is not gone yet.他不是没有恢复的希望。
☞The problem whether we should continue to do the experiment has been solved.我们是否继续做这个实验的问题已经被解决。
2. 同位语从句的几种特殊情况（1）当主句的谓语较短，而同位语从句较长时，同位语从句常后置。
☞The story goes that William Tell killed the king with an arrow.故事是这样的：威廉姆特尔用一支利箭杀死了国王。
（2）表示“命令、建议、要求”的名词order, demand, suggestion等后接同位语从句时，从句的谓语要用虚拟语气，即“should＋动词原形”，should可省略。
☞The suggestion that everyone (should) make efforts to beautify our campus is necessary.每个人都应尽力来美化校园的建议是有必要的。
3. 同位语从句和定语从句的区别☞The news that Mr. Li will be our new English teacher is true.李先生将是我们的新英语老师这个消息是真的。
(同位语从句，that不可省略)☞The news (that) he told me yesterday is true.他昨天告诉我的消息是真的。
同位语从句与定语从句的区别
同位语从句与定语从句的区别一、性质例外同位语从句和主语从句、表语从句、宾语从句同属于名词性从句，表示与之同位的名词(短语)的实际内容，它的作用相当于名词，对前面的名词(短语)加以补充说明或进一步解释。
定语从句是由关系代词或关系副词引导的从句，其作用是作定语修饰主句的某个名词性成分，相当于形容词，所以又称为形容词性从句，大凡跟在它所修饰的先行词后面。
二、引导词例外同位语从句的引导词多是that，whether,也有连接代词what，who，连接副词how, when,where等。
切记，if, which不能引导同位语从句。
引导词在句中不充任任何成分。
定语从句的引导词有关系代词that,which,who,whom,whose,as等（没有what），关系副词where,when,why等。
引导词有连接定语从句、代替主句中的先行词，甚至可能是主句中的一部分或者整个主句及在定语从句中充任句子成分等作用。
三、先行词例外同位语从句所修饰的名词比较无限，通常是抽象名词，有一定的内涵。
多见的有idea,situationthought,fact,evidence,belief,doubt,fear,hope,question,theory,sugg estion,proposal,word,thought,truth,possibility,promise,order，news,order,ability等等。
定语从句所修饰的名词则非常广博，可以是名词､代词､主句的一部分甚至整个句子｡:四、位置区别大凡情况下同位语从句跟在先行词后，用以说明该名词所表达的具体内容;有时同位语从句可以不紧跟在它所说明的名词后，而被别的词语隔开，在语法上叫做分隔式同位语从句。
定语从句大凡跟在它所修饰的先行词后面，无限定性和非限定性之分。
语法讲解——同位语从句
④ 引导同位语从句的连词不可省略; 引导定语从句的关系代词作宾语时常 可省略。 The news that he has been elected monitor of our class is true. The news (that) he told me is exciting.
⑤ 同位语从句与先行词一般可变成一个完 整句子, 谓语动词用be的不同形式。 He heard the news that their team had won. 此句可以变为一个表语从句: The news was that their team had won.
高考题
1. Along with the letter was his promise
____ he would visit me this coming
Christmas. ( 2004春季上海 )
A. which
B. that
Hale Waihona Puke C. whatD. whether
答案B。这是一个同位语从句, 解释 promise的具体内容, 要用that引导。
③ 同位语从句主要由连接词that引导,有时 也可用when, where, who, whether等引 导; 定语从句由关系代词或关系副词引导。 Then he raised the question where they were to get the machine needed. Do you know the place where he was born?
3. Teenagers shouldn’t spend too much time online. /Many Chinese parents hold the view. Many Chinese parents hold the view that teenagers shouldn’t spend too much time online.
同位语从句属于名词性从句
同位语从句属于名词性从句，大多由从属连词that引导，常常跟在fac t, idea, opinion, news, hope, belief等名词后面。
同位语从句一般用来解释或说明这些名词的具体含义或内容，在逻辑上表现为同位关系。
例如：They are familia r with the opinion that all matterconsist s of atoms.他们很熟悉这一观点，所有的物质都是由原子构成的。
1、从先行词来看同位语从句与名词之间在逻辑上是"主语＋be＋表语"的关系。
该名词是需要做特殊说明的抽象名词。
例如：They were delight ed at the news that their team had won.当听到他们的球队赢了的消息时，他们欣喜若狂。
2、从引导词来看引导词that在同位语从句中是连词，只起连接作用，无具体词义，that不可省略；that在定语从句中是关系代词，它在从句中充当一定成分---主语或宾语，有具体词意，作宾语时还可以省略。
试比较：The factory(that)we visited yesterd ay is a chemica l one.我们昨天参观的那家工厂是化工厂。
(that在从句中作宾语，所以此句是宾语从句)The news that he will leave for Shangha i is true.他将要去上海的消息是真的。
(that只起连接从句的作用，所以此句是同谓语从句)同位语从句讲解及练习一、理解同位语从句的含义，把握同位语从句的实质在主从复合句中作同位语的从句称为同位语从句。
同位语从句一般用t hat, whether，what, which, who, when, where, why, how 等词引导，常放在fact, news, idea, truth, hope, problem, informa tion, wish,promise, an swer, evidenc e, report, explana tion, suggest ion, conclus ion等抽象名词后面，说明该名词的具体内容。
高中英语语法,同位语从句的定义及用法分析
2023年高中英语语法同位语从句的定义及用法分析同位语从句的定义及用法分析从句是我们学习英语语法中必不可少的一项，也是很重要的知识点，有些同学对同位语从句不太了解，导致做题出现错误。
今天我们给大家带来的是同位语从句的讲解，同位语从句属于名词性从句中的一种，在复合句中充当同位语，故叫做同位语从句，用来解释说明其前面的名词。
一、具体定义在复合句中用作同位语的从句叫同位语从句，常常跟在fact, idea, opinion, news, hope, belief等名词后面,用以说明该名词表示的具体内容，可以由名词、代词、短语及句子来充当同位语从句。
二、用法1、从先行词来看同位语从句与名词之间该名词是需要做特殊说明的名词如idea, fact, news, hope, belief, suggestion, word, thought, doubt, truth, possibility, promise, order等有一定内涵的名词They were delighted at the news that their team had won.当听到他们的球队赢了的消息时，他们欣喜若狂。
2、同位语从句的功能与性质同位语从句是名词从句,其作用相当于一个名词,对前面抽象名词的进一步的说明和解释。
The news that our team has won the game was true. 我们队赢了那场比赛的消息是真的。
(补充说明news到底是一个什么消息?)3、从引导词that来看引导词that在同位语从句中是连词,只起连接作用,无具体词义,that不可省略The news that he will leave for Shanghai is true.他将要去上海的消息是真的.(that只起连接从句的作用,所以此句是同位语从句)4、引导词担当成分时的省略引导定语从句的关联词在从句中作宾语或状语时,可以省略或被其他词代替；介词+which同位语从句的引导词一般不能省略,更不能被代替，试比较：（1）The news that she heard is false. 她听到的消息是假的.（2）The news that she will go abroad is false. 她将出国这消息是假的.例（1）是定语从句,that可省略；例（2）是同位语从句，that不能省略。
名词性从句有哪些
名词性从句有哪些名词性从句共有四种，分别是主语从句（整个从句在主句中做主语），表语从句（整个从句在主句中做表语），同位语从句（整个从句在主句中做同位语），宾语从句四类（整个从句在主句中做宾语）。
名词性从句有哪些1、主语从句例如：It + be + 形容词/名词/动词过去分词 + that 从句It is strangethat he knows nothing about it.从句：He knows nothing about it.主句：It is strange something (= He knows nothing about it).连接词在从句中是否充当成分：否连接词是否可省：否2、宾语从句例如：that 引导的宾语从句I think that English is important.从句：English is important.主句：I think something (= English is important).连接词在从句中是否充当成分：否连接词是否可省：是3、表语从句用法和结构同宾语从句，区别在于：系动词后面所接的从句为表语从句，而及物动词后面所接的从句为宾语从句。
例如：- that 引导的表语从句The truth is that English is important.从句：English is important.主句：The truth is something (= that English is important).4、同位语从句同位语从句就是在复合句中作名词的同位语的名词性从句。
同位语从句对于名词进一步解释，说明名词的具体内容，一般由that引导，同位语从句有时可以不紧跟在它所说明的名词后面，而是被别的词隔开。
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同位语从句属于名词性从句，大多由从属连词that引导，常常跟在fact, idea, opinion, news, hope, belief等名词后面。
同位语从句一般用来解释或说明这些名词的具体含义或内容，在逻辑上表现为同位关系。
例如：They are familiar with the opinion that all matter consists of atoms.他们很熟悉这一观点，所有的物质都是由原子构成的。
1、从先行词来看同位语从句与名词之间在逻辑上是"主语＋be＋表语"的关系。
该名词是需要做特殊说明的抽象名词。
例如：They were delighted at the news that their team had won.当听到他们的球队赢了的消息时，他们欣喜若狂。
2、从引导词来看引导词that在同位语从句中是连词，只起连接作用，无具体词义，that不可省略；that在定语从句中是关系代词，它在从句中充当一定成分---主语或宾语，有具体词意，作宾语时还可以省略。
试比较：The factory(that)we visited yesterday is a chemical one.我们昨天参观的那家工厂是化工厂。
(that在从句中作宾语，所以此句是宾语从句)The news that he will leave for Shanghai is true.他将要去上海的消息是真的。
(that只起连接从句的作用，所以此句是同谓语从句)同位语从句讲解及练习一、理解同位语从句的含义，把握同位语从句的实质在主从复合句中作同位语的从句称为同位语从句。
同位语从句一般用t hat, whether，what, which, who, when, where, why, how 等词引导，常放在fact, news, idea, truth, hope, problem, information, wish,promise, an swer, evidence, report, explanation, suggestion, conclusion等抽象名词后面，说明该名词的具体内容。
换言之，同位语从句和所修饰的名词在内容上为同一关系，对其内容作进一步说明。
例：The news that they had won the game soon spread over the whol e school.他们比赛获胜的消息很快传遍了整个学校。
析：they had won the game说明The news的全部内容，因此该句为同位语从句。
二、正确运用同位语从句的引导词，准确把握同位语从句1.如同位语从句意义完整，应用that引导同位语从句。
（即that 不充当任何成分，只起连接作用，不可省略）例：The general gave the order that the soldiers should cross the river at once.将军下达了战士们立即过河的命令。
析：the soldiers should cross the river at once是the order的全部内容，且意义完整，因此应用that引导同位语从句。
2.如同位语从句意义不完整，需增加"是否"的含义，应用whether引导同位语从句。
（if不能引导同位语从句）例：We'll discuss the problem whether the sports meeting will be held on time.我们将讨论运动会是否会如期举行的问题。
析：the sports meeting will be held on time意义不完整，应加"是否"的含义才能表达the problem的全部内容，因此应用whether引导同位语从句。
3.如同位语从句意义不完整，需增加"什么时候"、"什么地点"、"什么方式"等含义，应用when, where, how等词引导同位语从句。
例1：I have no idea when he will be back.析：he will be back意义不完整，应加"什么时候"的含义才能表达i dea的全部内容，因此应用when引导同位语从句。
例2：I have no impression how he went home, perhaps by bike.析：he went home意义不完整，应加"如何"的含义才能表达impression的全部内容，因此应用how引导同位语从句。
4.当主句的谓语较短，而同位语从句较长时，同位语从句常后置。
如：The thought came to him that maybe the enemy had fled the cit y.三、把握同位语从句和定语从句的区别，明确同位语从句和相似从句的界限同位语从句和定语从句相似，都放在某一名词或代词后面，但同位语从句不同于定语从句。
同位语从句对名词加以补充说明，是名词全部内容的体现，且名词和同位语从句的引导词均不在从句中作成分；定语从句说明先行词的性质与特征，与先行词是修饰与被修饰的关系，且名词和定语从句的引导词均在从句中作成分。
区分时可以在先行词与与从句之间加一个系动词be,使之构成一个新句子，如果句子通顺且符合逻辑，则为同位语从句，反之，则为定语从句。
如：The report that he was going to resign was false.因为the report was that he was going to resign 句意通顺，所以，th at he was going to resign 是同位语从句。
例1：1）Information has been put forward ____ more middle school gradu ates will be admitted into universities.A. whileB. thatC. whenD. as析：答案为B。
more middle school graduates will be admitted in to universities是Information的内容，且Information不在从句中作成分，所以该句为同位语从句。
应将该句区别于：2）It is said that more middle school graduates will be admitted into universities，this is the information ____ has been put forward.A. whatB. thatC. whenD. as析：答案为B。
that has been put forward为information的修饰性定语，且information在从句中作主语，所以该句为定语从句。
例2：She heard a terrible noise,____ brought her heart into her m outh.(MET91)A. itB. whichC. thisD. that析：答案为B。
分析语境含义、句子结构和句子成分可知，该句为非限制性定语从句，先行词为a terrible noise，且它在从句中作主语。
应将该句区别于：I can't stand the terrible noise ____ she is crying loudly.A. itB. whichC. thisD. that析：答案为D。
she is crying loudly是the terrible noise的内容，且t he terrible noise不在从句中作成分，所以该句为同位语从句。
巩固性练习：1. The fact ____ she works hard is well known to us all.A. thatB. whatC. whyD. which2. The fact ____ he was successful proves his ability.A. hatB. whatC. whichD. why3. The news ____ he was kidnapped surprised us greatly.A. whatB. thatC. whyD. when4. His suggestion ____ the meeting be delayed was turned down.A. whichB. thatC./D. it5. I have no idea ____ he will start.A. whenB. thatC. whatD./6. I've come from the government with a message ____ the meeting won't be held tomorrow.A. ifB. thatC. whetherD. which7. The thought ____ he might fail in the exam worried him.A. whenB. whichC. whatD. that8. The order ____ the prisoner be set free arrived too late.A. whichB. whetherC. thatD. what9. The nurses are trying their best to reduce the patient's fear ____ he would die of the disease.A. thatB. asC. of whichD. which10. He often asked me the question ____ the work was worth doing.A. whetherB. whereC. thatD. whenKeys: 1-5 AABBA 6-10 BDCAA同位语从句和定语从句的三点区别同位语从句和定语从句很相似,但还是有区别的,区别主要在以下三方面:1. 从词类上区别同位语从句前面的名词只能是idea,fact,news,hope,belief,suggestion, proposal,word,thought,doubt,truth,possibility,promise,order等有一定内涵的名词?而定语从句的先行词可以是名词?代词?主句的一部分或是整个主句?如:The possibility that the majority of the labour force will work a t home is often discussed. (同位语从句)We are not looking into the question whether he is worth trustin g.(同位语从句)Word came that he had been abroad. (同位语从句)Our team has won the game, which made us very happy.我们的队赢了,这让我们很高兴?(定语从句)The doctor whom you are looking for is in the room.你找的那位医生在房间里面?(定语从句)His mother did all she could to help him with his study.他妈妈尽她的最大努力帮助他的学习?(定语从句,代词all作先行词?)2. 从性质上区别定语从句是从句对其先行词的修饰或限制,属于形容词性从句的范畴;而同位语从句是从句对前面抽象名词的进一步的说明和解释,属于名词性从句的范畴。