英语语法-名词性从句之主语从句
What we need is more time.
Which book I shall choose hasn’t been decided.
Whoever breaks the law will be punished.
结论:
谁 主语 who在主语从句中充当__________, 译为“_______ ”。 what在主语从句中充当__________, 译为“_______ 所…的 ”。 宾语 定语 which在主语从句中充当__________, 译为“_______ 哪一个”。 主语 whoever在主语从句中充当_________, 译为“_______ 无论谁”。
缺什么补什么
1. that 引导
that 引导的主语从句,不做成分,无意义,通常不能省 略,在句中具有“两不”原则: ① 不作句子成分; ② 没有实际意义。 • 当它引导的主语从句置于句首时,that不能省略; • 如果用it作形式主语,则把主语从句放在句末,这时 that可以省略。如: That he will come is certain. It was a pity (that) you didn't go to the talk.
Deal with Learning Plan
找出下列句子中的主语从句
导学案课前单
6. Whoever breaks the law will be punished.
7. When we will leave hasn’t been decided.
8. Where the meeting will be held is not known.
1、English is very useful for us . 2、The subject I am interested in is English. 3、We need to master English well. 4、He want to learn the language , English . (同位语)
这样就构成了下面一些常用句型: 1) It is + n. +that It is a pity/shame that... 可惜的是…… It is a surprise that… 令人吃惊的是… It is a fact that… 事实是… It is common knowledge that … …是常识 *_______________( 很可惜)we lost the match. It is a pity that *______________( It is a fact that 这是事实)he cheated in the exam.
That he will win the match is certain.
It is certain that he will win the match.
注解:一般来说主语从句都是放在 句首 , 但有时为了使句子 保持平衡 ,避免”头重脚轻”, 常用 it 作 形式主语 ,从而把主语从句放在 后面 .ຫໍສະໝຸດ 导学案课前单(名词)
1. Jane is good at playing the piano. 2. She went out in a hurry. 3. To see is to believe. 4. Smoking is bad for health. 5. What he has said is true.
1. 令人吃惊的是他改变了主意。 It is a surprise that he changed his mind. 2. 真可惜你错过了这么一个好机会。 It is a pity that you missed such a good chance. 3. 事实是我们周围的污染正变得越来越严重。 It is a fact that the pollution around us is becoming more and more serious.
英语语法 ----名词性从句
请思考
定语从句的定义:
起定语作用,用来修饰名词或代词的从句。
名词性从句定义
起名词性作用的从句,叫名词性从句。 换言之,在英语的句子结构中,本来该由名词充当的 主语、宾语、表语和同位语部分,换由一个句子来充 当,这样的句子就是名词性从句。
请思考:
(主语) (宾语) (表语)
3) It +不及物动词+that It happened that... 碰巧…… It occurred to me that…我突然想起… It appears/seems that… 似乎,好像…
It turned out that… 原来… *________________( It happened that 刚好)I was out yesterday. *____________________( It occurred to me that 我突然想起)I forgot to sent the letter.
主语从句考点归纳
主语从句的语序 主语从句引导词的使用
主谓一致 形式主语结构
一、主语从句语序
1. 一般疑问句作主语
• A: Will he come to my party? • B: it makes no difference to me. Will he come to my party makes no difference to me.
*it为形式主语
1. That he will refuse this piece of advice is impossible. It is impossible that he will refuse this piece _______________________________________ of advice. _______________________________________ 2.That they should like each other is natural. It is natural that they should like each other. _____________________________________
何时 ”。 状语 when在主语从句中充当__________, 译为“_______ 何地 ”。 where在主语从句中充当__________, 译为“_______ 状语 为什么 ”。 why在主语从句中充当__________, 译为“_______ 状语 怎样 ”。 状语 how在主语从句中充当_________, 译为“_______
合作探究
When we will leave hasn’t been decided.
Where the meeting will be held is not known.
Why he cries is not clear.
How she keeps healthy is a secret.
结论:
2. Whether he will pass the exam is uncertain.
3. Who will go makes no difference.
4. What we need is more time.
5. Which book I shall choose hasn’t been decided.
Whether he will come to my party makes no difference to me. 步骤: 1. 将疑问句的倒装语序变成陈述句语序; 2. 在句首加上whether(是否)来引导,以 保留原句的疑问意义。
一、主语从句语序
2. 特殊疑问词作主语 A:Why did dinosaurs become extinct? B: It is still a mystery. Why did dinosaurs become extinct is still a mystery. Why dinosaurs became extinct is still a mystery. 步骤: 需要将疑问句的倒装语序变成陈述句语序。
1. 好像是我错了。 It appears that I am wrong. 2. 碰巧他得去参加一个会议。 It happened that he had to attend a meeting. 3. 我突然想起他会说英语。 It occurs to me that he can speak English. 4. 原来他是Mary的朋友。 It turned out that he was Mary’s friend.
1、主语从句 ( subject clause ) 2、表语从句 ( predicative clause ) 3、宾语从句 ( object clause )
分类
4、同位语从句 ( appositive clause )
Subject Clause
主语从句
By: Ariel
Deal with Learning Plan
9. Why he cries is not clear.
10. How she keeps healthy is a secret.
结论: 陈述 语序。 主语从句的语序要用_________
结论;判断主语从句的方法;先找到谓语,谓语 之前的句子就是主语从句。
位置: ① 通常放在主句谓语动词之前 ② 由形式主语it代替, 而主语从句在句子末尾。
二、主语从句的引导词
从属连词(3个):that 、if、 whether 连接代词 (9个):who、 whom 、 what、 which、 whose、 whoever whomever、 whatever、 whichever、 连接副词(4个):when、 why、 where、 how
高中英语语法——主语从句课件(57张)
引导词
4) 连接副词when, where, how ,why • When we will leave hasn’t been decided. • How she keeps healthy is a secret.
Whether he will come makes no difference. What we need is more time.
引导词
1) 从属连词that和whether: • That he will come is certain. • Whether he will come is uncertain.
• What we need is more time.
• Which book I shall choose hasn’t been decided.
引导词
3)连接代词whoever, whatever, whichever • Whoever comes is welcome. • Whatever I have is yours. • Whichever you want is yours.
_____ that 只起引导作用,本身无意义,不充当 任何分,但不能省略。 whether 不做成分,表“_______ 是否 ”。 在主语从句中只能用 _________, ___ whether 不能用if
引导词
2) 连接代词who, what, which • Who will go makes no difference.
1. 令人吃惊的是他改变了主意。 It is a surprise that he changed his mind. 2. 真可惜你错过了这么一个好机会。 It is a pity that you missed such a good chance. 3. 事实是我们周围的污染正变得越来越严重。 It is a fact that the pollution around us is becoming more and more serious.
高中英语语法-名词性从句 16张PPT
一个从句只能有一个引导词。
缺失?
That 引导的主从、表从、同从时一般不省略。
考法
考法1 识别名词性从句的种类 主谓到从句 考法2 确定从句结构和意义是否完整,结合句子意思填 写改正适当的连接词。 a. 从句结构完整,用从属连词,陈述事实用that,表
示疑问“是否”用if或者whether。 b. 从句缺少主宾表,则考虑用连接代词。 c. 从句 缺少状语,则用连接代词。
I didn面’t紧kn跟owowr nhoetth时er 只or 能no用t swhehweaths erera.dy. 5.I want to know whether to have a meeting today.
加不定式时
关键知识梳理
连接 代词
what
Who
which
功
能
在从句中充当主宾表 在从句中充当主宾表(whom) 在从句中充当定语,“哪一个”
It做形式主语
1.It +be +adj.+that从句
2.It +be +名词词组(no wonder ,an honor ,a pity ,etc)+that从句
3.It +be +过去分词 (said,reported,expected,announced,thought ,believed ,ect)+that 从句
改错
1.(2016.银川二中一模)For one thing ,that you
are studying is badly needed nowadays in our
country.
That改为
what
2.(2016.遵义航天高级中学模拟)And you
名词性从句语法
主语从句定义:在复合句中充当主语成分的句子叫做主语从句。
主语从句主要有三类:(1)由连词that引导的主语从句引导词that无含义,在句中不做成分,不可以省。
e.g. That you will win the medal seems unlikely. That you are so indifferent bothers me.That she survived the accident is a miracle.(2)由连词whether引导的主语从句whether有含义(是否),在句中不做成分,不可以省略。
e.g. Whether she is coming or not doesn’t matter too much.(3)用连接代词引导的主语从句(在由连接代词who, whose, whom, which, what, whoever, whomever, whichever, whatever引导的名词性从句中,其连接代词在句中起名词性作用,担当一定成分)e.g. What we need is time. What I want to know is this.Whatever you did is right. (主语从句大部分情况看成第三人称单数形式)What we need are good doctors. (主语从句有时可以根据表语来判断单复数问题)Whoever comes is welcome.翻译:谁将会成为我们的班长仍然还没有确定。
(4)用连接副词when, where, why, how, wherever, whenever引导的名词性从句(其连接副词有含义,在句中作状语)e.g. When they will come hasn’t been made public.翻译:他们在哪里举办运动会仍然是个问题。
it作形式主语1. it做形式主语,而将主语从句放在句末(尤其是当谓语较短时)e.g. That light travels in straight lines is known to all.= It is known to all that light travels in straight lines.When the plane is to take off has not been announced.= It has not been announced when the plane is to take off.(当what引导的主语从句表示“...的东西”时,一般不用it作形式主语)e.g. What he wants is a book. ≠ It is a book what he wants.2. 当that引导的主语从句出现在疑问句中时,要以it做形式主语,而把主语从句后置。
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。
英语语法——名词性从句精讲
名词性从句精讲来源:普特英语在复合句中起名词作用的从句叫名词性从句,包括作主语从句、表语从句、宾语从句和同位语从句。
(1)主语从句就是在复合句中作主语的从句。
主语从句常用that, whether, who, whom, whose, what, which, when, where, how, why, whatever, whoever等引导。
如:Whether he will be able to come remains a question. 他是否来还是问题。
That China is a great socialist country is well known. 众所周知,中国是一个伟大的社会主义国家。
注:为避免头重脚轻,使句子平衡,常用it作形式主语,而将主语从句后置。
如上述第二例常说成:It is well known that China is a great socialist country.但是,由连接代词what, whatever, whoever等引导的主语从句一般不能用形式主语。
如:What he found surprised me greatly. 他的发现使我非常吃惊。
Whoever is finished may rest. 凡是做完工的人都可以休息。
(2)表语从句就是在连系动词之后作表语的从句。
引导表语从句的连接除与引导主语从句的连接词外,还有as if,as though。
如:The question is whether he is able to do it alone. 问题是他能否单独做这件事。
It looks as if (though) it is going to snow. 天好像要下雪似的。
注意:要区分以下句式:1. that’s why+结果;that’s because+原因。
2. the reason why /for…is that…He is absent. That’s because he is ill. 他缺席,这是因为他生病了。
英语名词性从句讲解【完整版】
2、I asked him if he could do me a favor .
If与whether的区别:
1、If不能引导放于句首的主语从句,而whether可以。 2、引导表语从句用whether,不用if。 3、引导同位语从句用whether,不用if。 4、whether可以引导从句作介词的宾语,不用if 。 5、whether or not 连在一起可以,但if不可以。而 “whether-----or not = if -----or not”
同位语从句:
定义:在复合句中充当同位语的句子。 同位语从句用来对其前面的抽象名词进行解释说明,被解释说明的词和 同位语在逻辑上是主表关系。 同位语常见名词:fact, suggestion, advice, idea, decision, news, thought, hope, belief, truth, doubt, promise, possibility, truth, warning, message, reason, report, question,explanation, wish, problem等。 常见的连接词:that, whether, what, who, how, when, where等。 用法: The thought that I want to buy my mother a birthday gift makes me excited.that 引导的同位语从句,解释说明 thought,从句不缺成 分 There is some doubt whether he will come. whether 引导同位语从句,if 不能引导同位语从句 we haven’t made the decision where we are going to spend our vacation. 有时同位语从句可以不紧跟解释说明的名词后面。 The news is surprising that he won the match.
名词性从句语法总结
名词性从句语法总结名词性从句是在句子中充当名词成分的从句,它可以在句子中作主语、宾语、表语、定语等成分。
名词性从句包括主语从句、宾语从句、表语从句和定语从句。
在使用名词性从句时,需要注意从句的引导词和从句本身的语法结构。
下面对名词性从句的语法规则进行总结:1. 主语从句。
主语从句在句子中充当主语成分,常常由连接词 that, whether, if, who, whom, whose, what, which, when, where, why, how 等引导。
例如:What he said is true.(他说的是真的。
)。
Whether we can go camping depends on the weather.(我们能否去野营取决于天气。
)。
2. 宾语从句。
宾语从句在句子中充当宾语成分,常常由连接词 that, whether, if, who, whom, whose, what, which, when, where, why, how 等引导。
例如:I know who did it.(我知道是谁干的。
)。
She asked me where I was going.(她问我要去哪里。
)。
3. 表语从句。
表语从句在句子中充当表语成分,常常由连接词 that, whether, who, whom, whose, what, which 等引导。
例如:The problem is that we don't have enough time.(问题在于我们没有足够的时间。
)。
Her wish is that she can travel around the world.(她的愿望是能够环游世界。
)。
4. 定语从句。
定语从句在句子中充当定语成分,用来修饰某个名词或代词。
常常由连接词that, who, whom, whose, which, when, where 等引导。
英语基础语法——名词性从句
英语基础语法——名词性从句
以下是为您推荐的英语基础语法名词性从句,希望本篇文章对您学习有所帮助。
英语基础语法名词性从句
一、名词性从句的基本概念
在复合句中起名词作用的从句叫名词性从句,包括作主语从句、表语从句、宾语从句和同位语从句。
(1)主语从句
就是在复合句中作主语的从句。
主语从句常用that, whether, who, whom, whose, what, which, when, where, how, why, whatever, whoever等引导。
如: Whether he will be able to come remains a question. 他是否来还是问题。
That China is a great socialist country is well known
一、概说
名词性从句,即指性质相当于名词的从句,它包括主语从句、宾语从句、表语从句和同位语从句。
从高考的考查的实际情况来看,名词性从句考得最多的是宾语从句,其次是主语从句,再次是表语从句,而同位语从句则很少考查。
二、名词性从句的一般引导词
1. 连接词that 只起连接作用,没有任何意思,也不充当句子成分,在宾语从句中可省略,但引导其他名词性从句时通常不省略。
如:
I hope (that) you enjoy your holiday. 希望你假期过得好。
That he likes you is very obvious. 很显然他喜欢你。
2. 连接词whether 也不充当句子成分,但有自己的意思,表示是否。
英语学习之主语从句详解
英语语法知识讲解之名词性从句:主语从句主语从句有三类:1.由what 等连接代词引导的主语从句由what 引导的主语从句表示“…….所…….的东西”,在结构上等于一个名词加一个定语从句,what 在主语从句中要充当句子成分。
如 What we need is more time.我们所需要的是更多的时间。
what 在主语从句中作 need 的宾语,此句可改写成定语从句 :The thing which we need is more time.What is dif ficult is to do good all one’s life and never do anything bad.难的是一辈子做好事,不做坏事。
(what 在从句中作主语)由 whatever, whoever 引导的主语从句也属于这一类。
如 Whatever was said here must be kept secret.这里说的话都必须保密。
Whoever fails to see this will make a mistake. 谁看不到这一点就会犯错误。
2.由连词that 引导的主语从句在 that 引导的主语从句中,that 不但当句子部分。
如 That she will come is certain. 她来是肯定的。
That he was chosen made us very happy.他被选中了使我们都很高兴。
在更多情况下,这类主语从句都放在句子的后部,而用 it 作形式主语。
如 It is certain that you will be able to make greater progress.你一定能取得更大的进步。
It’s obvious that he is wrong.很明显,他错了。
It’s a pity that you missed such a fine talk.这样好的报告你没听到真遗憾。
语法中的名词性从句与主语关系详解
语法中的名词性从句与主语关系详解名词性从句是指在句中充当名词的从句,包括主语从句、宾语从句、表语从句和同位语从句。
名词性从句在句子中起着名词的作用,能够充当句子的主语、宾语、表语或同位语,承担重要的句子成分。
本文将详细探讨名词性从句与主语的关系。
一、主语从句的定义与功能主语从句是名词性从句中的一种,它在句子中充当主语的角色。
主语从句的功能是引导句子的主语,起到句子的核心作用。
它通常由连接词that, whether/if, who, whom, what, where等引导。
例如:1. What he said is true.(他所说的是真的。
)2. Whether we can succeed remains unknown.(我们能否成功还未知。
)二、名词性从句充当句子主语的用法名词性从句可以充当句子的主语,用来回答“什么是……”的问题。
常见的名词性从句作为句子主语的用法有以下几种:1. 以that引导的名词性从句:That引导的主语从句常用来引导一般陈述句。
例如:That he is not here worries me.(他不在这里让我很担心。
)2. 以wh-词引导的名词性从句:Wh-词引导的主语从句常用来引导疑问句,表示“什么是……”。
例如:What he said surprised me.(他说的话让我很吃惊。
)3. 以whether/if引导的名词性从句:Whether/if引导的主语从句用来表示“是否是……”。
例如:Whether/if he will come is uncertain.(他是否会来是不确定的。
)三、主语从句的位置与意义主语从句位于句子的主谓之间,起到引导整个句子的作用。
主语从句在句子中常常与其他成分发生一定的替换关系,这为句子的多样性和灵活性提供了可能。
例如:1. It is important to study hard.(努力学习很重要。
)主语从句的目的是陈述句子的主题,通过it位于句首,句子更加流畅自然。
