名词性从句包括主语从句(精选)
名词性从句主语从句
That every student should have a study plan
is necessary.
4. Students say hello to their teachers. It is polite.
That students say hello to their teachers.
is polite.
由that引导主语从句
• 把两句话合并成一句话 5. Your mother didn’t attend the party yesterday.
It is a pity.
That your mother didn’t attend the party
yesterday is a pity.
Whether he is a policeman is not clear.
4.Is the film star happy? It is not clear.
Whether the film star is happy is not clear.
由 whether （“是否”）引导的主语从句
• 在主语从句中只能用 whether （是否）， if 此意义时不能用 替换。
形式主语It代替that 主语从句
1.That John won a gold medal is a fact. It is a fact that John won a gold medal. 2. That I mise film is a pity. It is a pity that I missed the beginning of the film . 3. That we will go travelling is good news. It is good news that we will go travelling.
高二英语名词性从句
Virtue is whatever one must possess first. 品德应是一个人必须首先具备的。
The difficulty was how he could prove his ideas to other scientists. 困难在于他怎样才 能向其他科学家证实他的想法。
当that从句与另一名词性从句并列做宾语时， that不能省略。 Everyone could see what was happening and that she was really worried. 大家都看得 出发生了什么事，也知道她真得十分焦急。
重点：句中若有两个并列的that 从句做宾语， 即使省略了第一个that，也不可以省略第二 个that。 Eg. I believe (that) you’ve done your best and that things will improve. 我想你已经尽 力了，我相信一切会好起来的。
“ Where has my mother gone?” he wondered. ----He wondered where his mother had gone.
2) 由how和what 引导的感叹句做宾语从句 时，仍然用感叹句的语序。 “How important the forest is!”
She wanted to see which shops offered the best advice and service. 她想了解哪家酒店提出的建议和提供的服务最好。 Go to stamp sales and buy whatever you can afford. 到邮票销售点，把你能够买得起的邮票买下来。 Take whichever you like best. 挑选你最喜欢的随便拿一个。 We will see what we can discover. 我们倒要看看会发现什么情况。 Do you know where he lives? I don’t quite understand why more women smoke than men in Britain.
名词性从句-完整版PPT课件精选全文
3. 连接副词：when(＝the time when什么时候，何时)，where(＝the place where什么地方，何地)，how(＝the way that/in which怎样， 以……方式，如何)，why＝the reason why为什么)。它们除起连 接作用，还在从句中作状语。
3) wh类连接词引导的主语从句： wh类连接词包括wh类的连接代词(who, whom,
whose, which, what, whoever, whomever, whichever, whatever等)和连接副词(when,
where, how, why, whenever, wherever, however 等)。what, when和wh-ever类的词有时可不表 疑问。wh类连接代词在句中既起连接作用， 又可充当主语、宾语、表语、定语等成分。 wh类连接副词在句中起连接作用，在从句中 可充当时间、地点、原因、方式状语。
【温馨提示】 ①whether/ if引导宾语从句表示“是否”
的意思时，一般情况下可互换。 ②if引导宾语从句时可以有否定式，而
whether从句则没有。 e.g. I don’t care if he doesn’t come.
5) 特殊疑问词引导的宾语从句： 由who, what, how, which, whose, where, why等词引导的宾语从句，可作动词、 介词及形容词的宾语。
【温馨提示】 doubt, doubtful与sure后名词性从句连接词 that, whether, if的选择。 ①当doubt, doubtful用于肯定句时，后面的名
词性从句的连接词常用whether或if；当 doubt, doubtful用于否定句或疑问句时，后 面名词性从句的连接词用that。
名词性从句
语序：陈述语序
在句中充当主语的从句称为主语 从句。英语中主语从句的句型可分 为两大类： 直接将主语从句放在主语位置上； 用it作形式主语，将真正的主语从 句后移，放在其他成分后。
让我们先说说第一类吧！
一、连接词（只起连接作用，在从句中不充当句子成分）
that：无词义。 e.g.: 他赢得比赛一事在我国引起巨大轰动。 That he won the game made a tremendous stir in our country. whether：“是否”。可单独使用，也可与or或or not连用。 e.g.: 我们明天是否能去春游取决于天气。 Whether we can go for a spring outing depends on the weather. 他们是否会来还未告诉我们。 Whether they will come has not been told to us.
四、主语从句与主谓一致
一个从句作主语时，谓语动词通常用单数形式， 特别是用it作形式主语的句型。 e.g.: Whether this kind of chemicals is better has not been tried.
当what引导主从，应遵循意义一致原则，谓语动 词选用相应形式。表语是复数时，谓语动词用复数 形式。 e.g.: What we do willingly is easy. What they were searching for were the missing gems.
Introduction
名词性从句：包括四种：主语从句、表语从句、宾语从
句、同位语从句。
连词：引导名词性从句的连词有以下三类
连接词：只起连接作用，在从句中不充当句子成分； 连接代词：连接主从句，并在从句中作主语/宾语/表 语/定语； 连接副词：连接主从句，并在从句中作时状/地状/原 因状/方式状。
名词性从句总结(易懂版)
英语句子基本结构I（主） love （谓）you（宾）主谓宾I am（系动词） a police.（表语）主系表系动词：be 成为：become 看起来：seem appear look表示变化： go get turn run fall grow 感官：feel taste smell look sound 表示状态：remain stay keep lie stand prove名词性从句：主语从句、宾语从句、表语从句、同位语从句名词性从句就是用一个结构完整句子来代替原先在主语、宾语、表语位置的名词。
一、主语从句1、It 【 (be动词+形容词/名词/过去分词)、动词】 that ……Eg：It is natural that they get married finally. 他们最后结婚了是很自然的事情。
It is out of expectation that they get married finally. 他们最后结婚了是令人出乎意料的事情。
It is a good day that we can enjoy our holiday. 这是个令我们都能享受好天气的日子。
It is reported that he is chosen as the new president of US. 根据报导他成为了新的美国总统。
It seems that she is satisfied with her work. 看起来她对她的工作很满意。
It 充当形式主语，代替的是that 后面的部分。
That不充当句子成分。
2、what在主语从句中充当成分What you said is very important. [ 还原回来是 you said what，证明what充当成分 ]二、宾语从句主语+谓语+从句（从句充当宾语）1、动词（+介词）/形容词 +宾语从句We heard that they got married. 我听说他们结婚了。
名词性从句
主语从句的两种句式:
1) 主语从句 +谓语动词 +…
2) It +
谓语动词 +主语从句
It +
谓语动词 +
主语从句
（真实主语）
（形式主语）
常见句型有：
*** It is said/reported/hoped/believed that… *** It seems/ appears/ happens that… *** It is possible/necessary/important that… *** It is not clear/decided/known /a question whether/if…
Noun Clause名词性从句：
在句子中起名词作用的从句
包括：1）主语从句
2）宾语从句(动词宾语、介词宾语)
3）表语从句
4）同位语从句
主语从句
主语及主语从句： 找出句中主语： 作主语的有： We love our country. 名词、代词、 The teachers work hard 动名词、不定 式和从句。位 Collecting coins is my hobby. 置:句首 To see is to believe. That we will support you is certain. Whether we’ll go or stay depends on the weather 主语从句: What they will do next has not been decided yet.
作主语的从句
在句中充当主语的从句 主语从句的位置：1）在句首 2）在句末
主语从句：
That we will support you is certain.
名词性从句
名词性从句一、名词性从句包括：主语从句：一个句子做主语，放在句首。
宾语从句：一个句子做宾语，放在动词后面。
表语从句：一个句子做表语，放在Be后面。
同位语从句：一个句子放在一个名词或代词后面，做同位语。
引导名词性从句的连接词可分为三类：连词（5个）：that （宾语从句或表语从句中that有时可以省略）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（9个）：what, whatever, who, whoever, whom, whomever, whose, which,whichever连接副词（7个）：when, where, how, why, whenever, wherever, however二、连词that需要注意的用法：1、(难点)不及物动词加介词再加宾语的用法，在宾语从句中要省略介词。
比如：He boasted of his success. (boast of + 宾语)He boasted that he was a success. (boast of+宾语从句，省略介词of)但是，有些固定结构中能用介词+that的用法；包括besides/beyond that(这两个都表示除---外), but that(要不是；若非), except that(除去), in that(因为), save that(除---外)的用法：①、She knew nothing besides/beyond that he was there.②、He didn’t really know what he was going to say beyond that the situation demanded something romatic.③、Noting would please him but that we goalong.④、I know nothing except that he left home early that morning.⑤、I prefer his plan to yours in that I think it’s more practical.⑥、I am well save that I have a cold.2、宾语从句中that有时省；有时不能省略：①、当that和主句谓语之间或者从句之间有插入语时，that不能省略：He judged that, because he was a child, he didn’t know wine.②、当that从句和另一名词性从句并列做宾语时，that不能省略：Everyone knows what happened and that he was worried.③、当that从句是双宾语中的直接宾语时，that一般不省略。
名词性从句
名词性从句(包括主语、表语、宾语和同位语从句)1.陈述句作名词性从句, 用that引出, 虽然在从句里不充当成分, 但除宾语从句外, 在主语、表语和同位语从句中都不能省。
(在宾语从句中, 第一个that可省, 第二个that不能省)2.一般疑问句作名词性从句, 用whether引出, 除宾语从句(if / whether均可)。
3.特殊疑问句作名词性从句, 用who / whom / what / which / when / where / why / how 和whoever / whatever etc引出。
4.从句里要用陈述句的词序。
5.在名词性从句中, “无论谁”、“无论什么”, 只能用whoever/ whatever, 但在让步状语从句中, whoever / nomatter who, whatever / no matter what均可。
主语从句作主语的从句称主语从句, 一般放在句首, 也可用it作形式主语。
1.That Mary was late again made the teacher very angry. (that不能省)2.Whether he can pass the exam or not depends on how hard he works. (whether不能用if替代)3.What matters is not to win but to take part / participate. (What引出的主语从句常用is或was作谓语动词)4.Whatever is said here must be kept secret. (whatever不能用no matter what替代)5.It still remains a question whether they will go abroad for further study.It happened / seemed / never occurred to sb that…It is important / necessary that…It is said / believed / reported / well known that…It is a pity / no wonder / no longer a question that…表语从句作表语的从句称表语从句, 位于连系动词之后。
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。
名词性从句的三种类型与用法
名词性从句的三种类型与用法名词性从句指的是在句子中充当名词的从句。
在英语中，名词性从句有三种类型，分别是主语从句、宾语从句和表语从句。
它们在句子中扮演不同的角色，起到连接主句与从句的作用。
本文将详细介绍这三种名词性从句的类型与用法。
一、主语从句主语从句在句子中充当主语的角色。
它常常以“that”开头，但也可以用“whether/if”引导。
主语从句位于主句之前，因此有时需要使用it作为形式主语来引导整个句子。
例如：1. That she is talented is obvious.2. Whether he will come to the party is uncertain.在上面的例句中，“that she is talented”和“whether he will come to the party”分别是主语从句。
它们在句子中起到了名词的作用，充当主语。
二、宾语从句宾语从句在句子中充当宾语的角色。
宾语从句通常出现在及物动词、介词或系动词之后。
引导宾语从句的词语包括“that, whether/if, who, whom, whose, which”等。
例如：1. He said that he would come to the party.2. I don't know if she has finished her work.在以上例句中，“that he would come to the party”和“if she has finished her work”分别是宾语从句。
它们充当了及物动词“said”和“know”的宾语。
三、表语从句表语从句在句子中充当表语的角色，说明主语的身份、特征、状态或性质。
表语从句通常以“that, whether/if, who, whom, whose, which”等词语引导。
例如：1. My belief is that honesty is the best policy.2. It is unclear whether he can pass the exam.在上述例句中，“that honesty is the best policy”和“whether he can pass the exam”分别是表语从句。