名词性从句主语从句和宾语从句
名词性从句的种类与用法

名词性从句的种类与用法名词性从句是指在句子中充当名词的从句。
它可以作主语、宾语、表语、同位语等,起到连接两个句子或者从句与句子的作用。
名词性从句有三种种类:宾语从句、主语从句和表语从句。
下面将详细介绍这三种名词性从句的用法。
一、宾语从句宾语从句作为主句的宾语,常常由连接词that、whether或者疑问词引导。
以下是一些常见的连接词:1. that: 当主句的动词后接宾语从句时,可用that来引导宾语从句。
例如:He said that he would come tomorrow.(他说他明天会来。
)I think that she is honest.(我认为她诚实。
)2. whether: 引导宾语从句时,表达的是“是否”的意思。
例如:I wonder whether he can finish the task.(我想知道他能不能完成任务。
)She asked me whether I had seen the movie.(她问我是否看过那部电影。
)3. 疑问词(who, what, where, when, why, how等): 疑问词既可以引导宾语从句,又可以引导特殊疑问句。
例如:I don't know what he is doing.(我不知道他在做什么。
)Could you tell me where the library is?(你能告诉我图书馆在哪里吗?)二、主语从句主语从句在句子中作主语,常常由连接词that或者疑问词引导。
以下是一些常见的连接词:1. that: 当主句的动词是think, believe, hope, guess, know等,常常用that来引导主语从句。
例如:That he is the best candidate is beyond doubt.(他是最好的候选人是毫无疑问的。
)It is not certain that he will win the game.(他能否赢得比赛尚不确定。
名词性从句的种类及用法

名词性从句的种类及用法名词性从句是指在一个句子中,作为主语、宾语、表语或同位语的从句。
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,它们在句子中扮演不同的角色,起着连接不同句子成分的作用。
本文将介绍名词性从句的种类及其用法,帮助读者理解和运用这一语法结构。
一、主语从句主语从句在句子中充当主语的角色,常常由连接词that引导,也可以由特定的连接词如whether, if, what, whatever等引导。
示例句子如下:1. That he is a talented musician is known to all.所有人都知道他是一个有才华的音乐家。
2. Whether he will come to the party is still uncertain.他是否会来参加派对还不确定。
主语从句常常出现在it is/was +从句结构中,以强调句子的主语。
例如:1. It is important to keep calm in an emergency.紧急情况下保持冷静是很重要的。
2. It was unexpected that she failed the exam.她考试不及格出乎意料。
二、宾语从句宾语从句在句子中充当宾语的角色,通常由连接词that, if, whether, what, who, whom, whose, which等引导。
示例句子如下:1. She asked me where I had been.她问我去哪儿了。
2. They don't know whether he will attend the meeting.他们不知道他是否会出席会议。
有些动词或表达方式常常用宾语从句作为宾语,例如:believe, think, hope, expect, know, understand, suggest等。
例如:1. I believe that honesty is the best policy.我相信诚实是上策。
主语从句与宾语从句

主语从句与宾语从句一、名词性从句是四位从句的总称:主语从句、宾语从句、同位语从句、表语从句。
这些从句都起到类似于名词的作用。
主从:一个句子充当大句子的主语,就叫主语从句。
例如;What I need is money.(主语是What I need作大句的主语)It was not obvious that water is fundamental to the development of life.(It是形式主语,真正的主语是that 从句。
)主语从句的位置有两种,一种是放于句首;一种是用It 作形式主语,从句被放后面。
二、宾语从句:一个小句子充当大句子的宾语。
He asked me how old I was .She took it for granted that I’d be back home an hour ago.(It 作形式宾语,真正的宾语是后面的that从句。
)考点一:语序What I want to do is to go home immediately.陈述语序。
I asked where the famous restaurant was .陈述语序。
名词性从句的语序应该是陈述句语序。
删除疑问语序(be /助动词、情态动词+主语)考点二:引导词That(没成分)That the earth moves around the sun is known to all.(that 引导的句子作大句子的主语,that不能丢。
)Whether /if (有时互换,主语从句只能用wheather引导,不能用if .可用if 的地方都能用wheather。
)Whether the meeting will be put off depends on the weather .疑问代词:what,who, whom,which,whose 在从句中有成分What he has is just money.(在从句中有成分作宾语)疑问副词:where ,when,why,,how在从句中有成分Why he didn’t attend class is not know yet.That:引导名词性从句时无成分,无词义,有时可以省略。
名词性从句的种类与作用

名词性从句的种类与作用名词性从句是指在句子中充当名词的句子成分,它能够承担名词所具有的各种功能,如主语、宾语、表语、同位语等。
名词性从句的使用可以使句子更加丰富,表达更加准确。
本文将介绍名词性从句的种类及其作用。
一、主语从句主语从句是名词性从句的一种常见形式,它在句子中充当主语的角色,起到句子的主题和核心的作用。
主语从句通常以“that”或“whether”引导。
例如:1. That he is a talented musician is well known to everyone.2. Whether she will come to the party is still uncertain.主语从句常常用于强调句和形式主语的表达中,使句子更加生动有力。
二、宾语从句宾语从句作为动词的宾语出现,可以回答“what”、“where”、“which”、“who”等疑问词引导的问题。
它常见于及物动词后,也可用于介词后。
例如:1. She asked me what I wanted for dinner.2. He told me where he had been yesterday.宾语从句的作用是充当动词的宾语,使句子更加完整,表达更加准确。
三、表语从句表语从句用来修饰名词或代词,充当表语的角色,常以“that”或“whether”引导。
表语从句通常出现在“be”动词后或感官动词后。
例如:1. The question is whether we should go or stay.2. His wish is that he could travel around the world.表语从句可以在句中起到进一步解释、说明或补充的作用,使句子更加丰富多样。
四、同位语从句同位语从句指的是对名词或代词进行解释、说明或补充的句子,常见于名词后面,起到进一步解释名词的作用。
同位语从句通常以“that”引导。
名词性从句专项---主语从句,宾语从句,表语从句,同位语从句

名词性从句专项一、知识梳理/提炼要点一:句子的分类根据句子的结构可分为:①简单句——一主一谓。
②并列句——由等立连词and, but, so, for把两个(以上)的简单句连在一起构成。
③复合句——一个主句+从句(一个或以上)构成。
根据从句在复合句中的作用,分为名词性从句、定语从句和状语从句。
名词性从句包括主语从句、表语从句、宾语从句、同位语从句。
要点二:名词性从句总述1. 主语从句——在句中作主语,可用it作形式主语,把真正的从句放在句尾。
如:It is still a mystery how the prisoner escaped.犯人是如何逃跑的是个谜。
主语从句中,谓语动词一般用单数。
What引导的主语从句,可根据表语决定。
如:What he needs is that book?What he needs are some book?主语从句常用的结构有:It is well known/reported/thought/said/… that…It is natural/surprising/necessary/certain/true/clear… that…It is a pity/a shame/an honor/no surprise/no wonder… that…It doesn’t’t matter whether…It seems\appears that…It happens that…2. 表语从句——位于系动词之后充当复合句的表语,引导词that 一般可以省略,还可用as if/as though/because/why引导。
如:The question is who can complete the difficult task.问题是是能完成这项艰巨的任务。
3.同位语从句——跟在名词后面,进一步说明该名词的具体内容。
名词主要有:fact, news (word), promise, idea, truth, thought, suggestion, hope, proposal, doubt等。
名词性从句的三种类型及例句解析

名词性从句的三种类型及例句解析名词性从句是指在一个句子中充当名词的从句。
它可以作主语、宾语、表语和同位语等,并能够起到连接子句与主句的作用。
在英语语法中,有三种主要类型的名词性从句:宾语从句、主语从句和表语从句。
本文将详细解析这三种类型,并举例说明其用法。
一、宾语从句宾语从句作为一个整体出现在主句中的动词后面,充当主句的宾语。
它常常引导由that、whether/if、wh-疑问词引导的从句。
下面是一些例句:1. 主句:He asked me a question.宾语从句:He asked me whether I had finished my homework.解析:宾语从句"whether I had finished my homework"作为动词"ask"的宾语,表达了一个疑问。
2. 主句:She doesn't know the answer.宾语从句:She doesn't know what the answer is.解析:宾语从句"what the answer is"作为动词"know"的宾语,表示对答案的不知道。
3. 主句:They wonder if he will come to the party.宾语从句:They wonder if/whether he will come to the party.解析:宾语从句"if/whether he will come to the party"作为动词"wonder"的宾语,表达了对他是否会来参加派对的疑问。
二、主语从句主语从句作为一个整体出现在句子的最前面,充当主句的主语。
它通常由that引导,也可以由wh-疑问词引导。
以下是一些例句:1. 主句:It is important to learn a foreign language.主语从句:That she is a hardworking student is important.解析:主语从句"That she is a hardworking student"作为句子的主语,强调了她是一个勤奋的学生的重要性。
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。
英文名词性从句的构建与理解

英文名词性从句的构建与理解一、名词性从句的基本概念名词性从句是指在句子中起名词作用的从句,它可以作为主语、宾语、表语或同位语。
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四种类型。
1.1 主语从句主语从句是指在句子中担任主语的从句。
例如:What he said is true.(他所说的话是真的。
)Whether it will rain tomorrow remains to be seen.(明天是否会下雨还有待观察。
)1.2 宾语从句宾语从句是指在句子中担任宾语的从句。
例如:I know that he is a good student.(我知道他是一个好学生。
)He asked me if I would go with him.(他问我是否会跟他一起去。
)1.3 表语从句表语从句是指在句子中担任表语的从句。
例如:The problem is what we should do next.(问题是我们接下来应该做什么。
)The truth is that he didn't tell me the whole story.(事实是他没有告诉我整个故事。
)1.4 同位语从句同位语从句是指对名词或代词进行解释说明的从句。
例如:The fact that he has been promoted is known to all.(他升职的事实是众所周知的。
)The belief that hard work leads to success is widely accepted.(努力工作会导致成功的信念被广泛接受。
)二、名词性从句的引导词名词性从句的引导词主要包括连接代词(如what, who, which等)、连接副词(如when, where, how等)和从属连词(如that, if, whether等)。
这些引导词在从句中担任不同的成分,引导从句并使其与主句连接起来。
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I don’t know about the man, Mr. White.
{ 同位语 I don’t know about the fact that 主语从句
宾语从句
表语从句 同位语从句
注意: 用 it 作形式主语的that- 从句有以下几组:
a. It + be +形容词+ that-从句 It is necessary that… It is important that… It is obvious that…
b. It + be + -ed 分词+ that-从句 It is believed that… It is known to all that… It has been decided that…
名词性从句
名词性从句:名词性从句在功能上相当于名词
His job is important
{ 主语 What he does is important.
I don’t like his job.
{ 宾语 I don’t like what he does every day.
This is his job.
1. That he knows Japanese is known to all.
That无词义,不可省略
2. What surprised me was to see him here .
What “什么”, “所….
3. When he will come is unknown 的. ”
When “什么时候”
d. It +不及物动词+ that-从句 It appears that… It happens that… It occurred to me that…
似乎…… 碰巧…… 我突然想起……
1. 真可惜我们不能去游泳. It is a pity that we can’t go swimming.
It is said that he told her everything.
注意: It looked that he was right. ( × ) 可以说: It looks as if….
宾语从句
从 句 ( 同主语从句 ) ,增加 if ,可与whether 引导词: 互换, 但不与 or not 连用
if /whether 表示“是否” 可以互换,四种情况用
whether:
5. I don’t know whether he will come or not. ( if )
6. The question is whether he will agree . ( if )
1.在介词后面 2.与or not连用 3.在主语从句,表语从句,同 位语从句中
1. They pretended ( that ) they knew how to do it.
2.She said (that) she couldn’t tell me and that I couldn’t understand.
宾语从句并列时,只省略第一个 that
4. Everything depends on whether we have enough time. ( if )
2. 碰巧那天我外出了. It happened that I was out that day. happen只有 it 句型
3. 他考试肯定会考好. It is certain that he will do well in the exam.
4. 据说他已告诉了她一切.
It is said只有 it 句型
宾语从句
3. The truth is that I have been there.
表语从句
4. The fact that she was late surprised us.
同位语从句
Predicative clause Appositive clause
主语从句 位于句首
从 句 that whether who whom whose 引导词: what which when where why how
有必要…… 重要的是…… 很明显……
人们相信…… 从所周知…… 已决定……
c. It + be +名词+ that-从句 It is common knowledge that… It is a surprise that… It is a fact that…
……是常识 令人惊奇的是…… 事实是……
主语从句在句中做------ 主语 表语从句在句中做------ 表语
宾语从句在句中做------ 宾语 同位语从句在句中-----同位语
1. That he will come is certain.
Subject clause
主语从句
2. I know that he will come.
Object clause
4. Whether he is coming doesn’t matter much. 主语从句不用 if
5. It remains a secret how they climbed up the mountain.
主语太长了!放到句尾
主语从句的位置 1.在句首 2.主语较长时通常放在后面,句首主语用 It
3. Mary always thinks of _h_o_w_ she can do more for the class.
4. He wrote a letter of thanks to _w__h_o_e_verhelped him. 5. It depends onwifhwetehheravweeehnaovueghentoimugeh. time. 介词后面不用 if
4后面跟不定式
宾语从句经常做介词的宾语
that 从句只跟在 except,but, in ,besides, 四个介词后面
1. The Swede stood still, except __th_a_t_ his lips moved slightly.
2. She is not satisfied with _w_h_a_t she has achieved.