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名词性从句(同位语从句)

名词性从句(同位语从句)
省略否定词not
在否定同位语从句中，如果否定词not没有实际意义，可以直接省 略。
简化后句子的含义和功能
去除连词that后，句子的 含义和功能不变，但句子 更加简洁明了。
省略否定词not后，句子 的含义和功能不变，但句 子更加简洁明了。
合并句子后，句子的含义 和功能不变，但句子更加 流畅自然。
同位语从句与其他从句的转
定义
复合连词如when、where、how、why 等也可以引导同位语从句，表示具体的 时间、地点、方式或原因等。
VS
例句
The question when the meeting will be held remains unknown. (会议何时 举行的问题仍未知。)
04
同位语从句的简化
简化规则
同位语从句的结构相对简单，通 常为陈述句，不包含疑问、否定 或强调等语气。
同位语从句的内容是对名词的具 体描述或解释，提供更详细的信 息。
同位语从句与其他从句的辨析
定语从句与同位语从句的区别
定语从句用于修饰名词，限定名词的范围，而同位语从句用于补充说明名词的具体内容。
状语从句与同位语从句的区别
状语从句用于表示时间、地点、条件、目的等，与主句关系紧密，而同位语从句与主句关系相对松散，是对名词 的额外说明。
去除连词that
在同位语从句中，连词that可以被省略。
去除助动词be
如果同位语从句中的主语和主句主语一致，助动词 be可以被省略。
去除not
在否定同位语从句中，not可以被省略。
简化方法
直接删除连词that
在同位语从句中，如果连词that没有实际意义，可以直接删除。
合并句子
如果同位语从句中的主语和主句主语一致，可以将同位语从句的主 语和主句主语合并，形成一个简洁的句子。

名词性从句(同位语从句)

名词性从句(同位语从句)
belief, doubt, fact, hope, idea, news, possibility, thought, message, problem, promise, 等等。
同位语从句与定语从句的区别
1、 同位语从句是对前面的名词作进一步解释、 说明它是什么、是谁；that不充当句子成份。
同位语从句的引导词常用that, wh-, how等。
when he will be back.
e.g.
how he can get the treasure.
where the concert will be hold.
who can finish the work.
I have no idea
2、 定语从句是修饰前面的先行词；that在句 中充当主语或宾语，有实际意义。
had won.
The fact that the transport of the goods
costs too much was not discussed.
Sydney kept his promise that he would
always do anything he could for Lucie to make sure of her happiness.
why it happened. which pen is mine.
what we should do next.
whom they are talking about.
whether it’ll rain tomorrow.
that our football team won
the game.
ห้องสมุดไป่ตู้ 其后常用同位语从句的名词主要是抽象名词， 如：

名词性从句之同位语从句

名词性从句之同位语从句
come home from aboard soon.
There is no doubt that the prices of cars will go down.
连接词whether引导的同位语从句 只用whether引导,不用if.
这个问题是否正确还未被证实. The problem w__h_e_t_h__e_r is right hasn’t been proved.
A. what B. when
C. that D. which
Tip:在某些名词（wish, demand, suggestion, advice 等）后的同位语从句要用虚拟语气！
宾语 1) The news that he told me is that Tom would go abroad next year.
made people worried.
小结-1
• 同位语从句一般跟在某些名词 之后,用以说明或解释前面的 名词,引导同位语从句的连词 常用that.
同位语从句 1.概念: 在复合句中作名词的同位语的名词性从句。 2.功能: 同位语从句对名词进一步解释， 说明名词的具体内容， 3.用法: 常跟的抽象名词有: fact/ idea/reason
A. when B. that C. which
D. what
4. They rumor spread ____ a new school would be built.
A. that B. what C. where
D. which
5. The question ____ it is right or wrong depends on the result.
我不知道你在这儿.

同位语从句

同位语从句
定义:主从复合句中作同位语的句子,叫同位语从句 。是名词性从句之一，用以说明前面名词所表示 的具体内容。 同位语是处于相同的位置，起相同的作用，去掉 一个不影响句子结构的两个词，叫做同位语。 例：Betty, my sister, is very pretty. 1.The news that our team had won the game made us excited. 2.We heard the news that our team had won the game.
5. 在名词doubt“怀疑”后的同位语从句用whether 连接；在no doubt“不怀疑”之后的同位语从句用 that连接。 6. 有时可用 namely (即), that is to say (也就是说), in other words (换句话说), that is (那就是), for example 等引出同位语, 说明其前面的名词或代词。 有时同位语直接跟在名词或代词的后面。 7. 同位语从句引导词的选择遵循‘缺什么补什么’ 的原则。 8. 引导同位语从句表示‘是否’时，只能用 whether, 不能用if.
同位语从句与定语从句的区别
同位语从句也名词性从句中的一种，而且与定语从句相 似。不同的是：
1.先行词的关系不同。定语从句与先行词是修饰关系， 定语从句相当于形容词。同位语从句与先行词是同等关 系，同位语从句相当于名词。
2.同位语从句的“ that ” 不能省略。定语从句的关系代 词“ that ” 在从句中作宾语时可以省略。
•练习册第二部分P73.
怎样判断是不是同位语从句？ 1. 看从句与先行词指的是不是处于相同的位置。 致。
3. 看先行词与从句去掉一个会不会影响句子结构 。

2023年高考英语名词性从句之同位语从句精讲

2023年高考英语名词性从句之同位语从句精讲

2023年高考英语名词性从句之同位语从句精讲同位语从句学习指要当名词后面所接的从句表示与名词同位并为名词的实际内容时，这个从句就是同位语从句。

如：The news that China has joined the WTO excite us all. 中国加入了世界贸易组织这一消息使我们大家兴奋不已。

He told us the truth that he fell down from his bike this afternoon. 他告诉了我们他从单车上摔下来这一真相。

同位语中应注意：1.高中所学能带同位语从句的名词不多，常见的有：answer, belief, conclusion, decision, discovery, doubt, explanation, fact, hope, idea, information, knowledge, law, message, news, opinion, order, possibility, problem, promise, proof, proposal, question, report, risk, rumor, story, suggestion, truth, theory, thought, wish, word等。

如：He sent us a message that he won’t come next week. 他送信来告诉我们说，下周他不来了。

There is no doubt that he is fit for this job. 毫无疑问，它适合这一工作。

2.表示“命令、建议、要求” advice, demand, decision, desire, idea, insistence, instruction, order, plan, proposal, recommendation, request, requirement, suggestion, wish 等名词的同位语，须用虚拟语气。

同位语从句

同位语从句

常跟名词性从句的抽象名词有:
fact, news, idea, promise, question, problem,doubt, hope, order, belief, thought, should, word, truth, suggestion, advice, request，order，demand， requirement
he would come home
The problem whether _______ it is true hasn’t been proved.
连接词代词 what （什么） which（哪一个） who,whom（谁） 在从句中做主语，宾语或定语
He has no idea _____ what he should do next.
典例题解
1.Some researchers believe that there is no doubt____ a cure for AIDS will be found. A. which B. that C. what D. whether 2. A warm thought suddenly came to me ____ I might use the pocket money to buy some flowers for my mother's birthday． A. if B. when C. that D. which 3. Nobody believed his reason for being absent from the class ________ he had to meet his uncle at the airport. A. why B. that C. where D. because

高中英语2024届高考名词性从句知识分类讲解(主语从句+宾语从句+表语从句+同位语从句)

高考英语名词性从句知识讲解名词性从句是指在复合句中起名词作用的句子，功能相当于名词词组。

名词性从句在复合句中能作主语、宾语、表语、同位语等，根据在句中的语法功能可分为主语从句、宾语从句、表语从句和同位语从句。

一、主语从句【定义】在复合句中，作主语的句子称为主语从句。

常见的连接词：（连接词在句中不能省略）that, whether, who, what, whatever, whoever, where, when, why, how等。

【用法】1.连接词 that 引导That we should learn English well is very important.主语从句中 we should learn English well句子完整，不缺成分，用that引导，that 不能省连接词whether，if 引导whether 引导的主语从句可放句首，也可放句中，表“是否”if 引导的主语从句只能引导动词后的宾语Whether I will go or not depend on the weather.It remains to be seen whether / if they can finish the task in time.2.连接代词what, who, which, whose, whatever, whichever，whoever等引导What matters most is your attitude.3.连接副词when，where，why，how等引导How he made it is still unknown.4.it作形式主语为了避免句子头重脚轻，通常把形式主语it放在句首，真正的主语放在句子后面。

常见句型：(1) It is + n.+ that + 句子It is +（a pity / a shame / a fact …）+ that ...(2) It is + adj.+ that + 句子It is +（true / clear / important …）+ that ...(3) It is + 过去分词 + that + 句子It is+ said / announced / expected / believed / hoped… + that ...(4) It seems /appears / happens / turned out that + 句子(5) It hit sb./occurred to sb.that + 句子二、宾语从句【定义】在复合句中，作宾语的句子称为宾语从句。

名词性从句的用法之同位语从句

名词性从句从句有名词性从句、定语从句和状语从句三大类。

名词性从句又可分为宾语从句、表语从句、主语从句及同位语从句，因为从句的在这个句子中的功用相当于名词；定语从句有称为形容词性从句，因为从句功能相当于形容词；而状语从句则称为副词性从句，因为从句功能相当于副词。

什么是名词性从句?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，由一个句子来充当,这个句子就叫名词性从句。

宾语从句( The Object Clause)表语从句( The Predicative Clause)主语从句( The Subject Clause)同位语从句( The Appositive Clause)同位语从句一．定义在句中用作同位语的从句叫做同位语从句。

从句作同位语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，相当于一个表语从句，它们之间的关系是同位关系，即主表关系。

补充：同位语定义：一个名词(或其它形式)对另一个名词或代词进行修饰，限定或说明，这个名词(或其它形式)就是同位语。

同位语类型：1. 名词作同位语Mr Wang, my child’s teacher, will be visiting us on Tuesday.王先生，我孩子的老师，星期二要来看我们。

2.短语作同位语I, the oldest girl in the family, always had to care for the other children.我，作为家里最大的女孩，老得照料家中的其他孩子。

3. 直接引语作同位语But now the question comes to their minds, “Did she die young because she was a clone?”但是现在他们不得不思考这样的问题：“多莉早死是因为它是一只克隆羊吗？”4. 句子作同位语The girls were surprised at the fact that ocean ships can sail up the Great lakes.巨大的海轮可以开到五大湖，让表姐妹俩感到吃惊。

名词性从句之主语,同位语,表语

名词性从句之主语从句，同位语从句，表语从句1.主语从句介绍：When we will finish the work is still a problem.=It’s still a problem when we will finish?Whether she will come or not makes no difference= it makes no difference whether (if) she will come or not.That he survived the accident is a miracle= it is a miracle that he survived in the accident.Note: 形式主语it 引入：It is too difficult for me to understand the sentenceIt is too easy to solve the problemIt’s funny to play basketball.It 可引导的主语从句1.it +名词+从句it is a fact that he didn’t pass the exam.2.It+形容词+从句It is strange that he failed to pass the exam3.It+不及物动词+从句It seems that he likes eating bananas.4.It+过去分词+从句It is said that he has passed the exam5.其它It doesn’t matter if you don’t pass the exam.2.表语从句介绍1表语介绍The book is on the desk (prep)You looks beautiful (adj)This is a book (n)2.表语从句介绍It seems that it is going to rainThis is how Jane lives.The reason of his not coming is that he was ill.The problem is whether you love her.3.同位语从句介绍1.同位语介绍We both have black hair and black eyes.This is a photo of me and my twin sister LiuYing2.同位语从句介绍定义：同位于从句用于对名词作进一步解释，说明名词的具体内容。

同位语从句

名词性从句之同位语从句同位语：Yesterday I met Tom,a friend of my brothers'. 处在逗号的两端指代同一个人对前面进一步的补充说明1.定义：在复合句中用作同位语的从句叫同位语从句。

它一般跟在某些名词后面，用以解释说明该名词表示的具体内容。

（对前面名词的进一步解释）而定语从句是对前面名词的修饰2.先行词：常为某些抽象名词，如：news ; idea; word; fact; hope;doubt; belief; possibility; problem; question; thought; promise;information;message;decision ; answer;reply等3.引导词：连词that，whether，连接副词how,when,where等。

（注：if,which 不能引导同位语从句。

）连接词取决于后面从句的形式陈述句——直接加that引导I know the fact. He is a studeI know the fact that he is a student.一般疑问句-----先变陈述句语序，再在其前加上whether或者that.I have a question. Are you a student?I have question whether you are a student.特殊疑问句-----保留特殊疑问词，后面句子变成陈述句语序I have a question. Who is the student?I have a question who is the student.4.隔离式同位语从句（头重脚轻的情况）The news came. They had won the game.The news that they had won the game came.-------头重脚轻，大头娃娃The news came that they had won the game.1. Evidence has been found through years of study ______ children’s early sleeping problems are likely to continue when they grow up. (2012重庆卷)A. whyB. howC. whetherD. that2.He often asked me the question ____ the work was worth doing.A. whetherB. whereC. thatD. when3. I have no idea ____ he will start.A. whenB. thatC. whatD./。

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一、同位语从句 that 后多跟news, fact, hope, idea, promise, belief, thought 等 名词后，用来解释名词的具体内容， that不可省。 二、定语从句 （从句对先行词起修饰作用）
e.g. The car that hit the boy is Jack’s. that 在从句中作主语,代指先行词 that = the car e.g. The fact that we talked about is very imporauses (同位语从句)
一、同位语从句 that 多跟news, fact, hope, idea, promise, belief, thought 等名词后，用来解释名词的具 体内容， that不可省。
e.g. 1. The news that we will have a one-month vacation is not true.(that不充当任何成分) the news = we will have a one-month vacation 2. The problem whether we should continue to do the experiment has been solved. The problem =whether we should continue to do the experiment
请判断出下列的句子属于哪种从句 What I want to do is taking a bath. (主从) The news that they won the game spread the whole school. (同位语从句) I don’t think he is an honest boy. (宾从) The fact is that he stole the car. (表从) Do you know the fact that he stole the car? (同位语从句) Do you know the man who is standing over there? (定从) It is said that they won the game. (主从)
4. 同位语从句
My friend, Lily, comes to the party.
The idea that England stands for Fish & Chips is past. The news that he wins the game makes me happy.
The problem how to protect the environment is discussed.
1.(NC)The news that the plane would take off made everybody happy. 2.(AC)The idea that Mike told me is very good. 3.(AC)The suggestion that they are considering is helpful. 4.(NC)She expressed the hope that she would come to China one day.
that 在从句中作宾语,代指先行词 that = the fact
The fact that we find a gold mine shocked everybod
If it is a noun-clause（名从） , write NC. Attributive Clause(定从)， write AC.
常见的、可以解释、说明的词：
fact, idea, thought, word, problem, promise, question, news, suggestion, order, possibility, reason, story……
4. Appositive clauses (同位语从句)