高中英语语法表语从句详解素材
英语重点表语从句详解
英语重点表语从句详解1、表语从句概述用作表语的从句叫作表语从句，它位于主句中的连系动词之后。
引导表语从句的词有从属连词that、whether、as though(if)；关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever等；关系副词when, where, why, how, however, whenever, wherever等。
可以接表语从句的连系动词由be, look, remain, seem等。
That引导表语从句时，在口语中，间或可以省略。
The trouble is that we are short of money.困难是我们资金短缺。
That is why stone walls are used instead of fences around New England fields.这就是为什么在新英格兰用石头墙而不用栅栏的原因。
At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当的字眼来。
2、由从属连词that，whether引导的表语从句。
that在引导表语从句时无词义，而whether有词义，意为、“是否”。
这时主句的主语常常是些抽象名词，如question(问题)，trouble(麻烦)，problem(问题)，result(结果)，chance(可能性)，suggestion(建议)，idea(想法)，reason(理由)等。
表语从句对主句主语进行说明、解释，使主语的内容具体化。
The trouble is (that) she has lost his money. 麻烦的事是他丢了钱。
The question is whether we need more ice cream.问题是我们是否还需要一些冰淇淋。
(完整版)表语从句详解+例句
(完整版)表语从句详解+例句表语从句详解+例句什么是表语从句表语从句是指用来作为主语或宾语补足语，并且从句中的内容对于主句来说是表达性质、特征或状态的句子。
表语从句通常由连词“是”引导，也可以由其他系动词如“看起来”，“变成”等引导。
表语从句的结构表语从句的基本结构为：“主语 + 系动词 + 从句”，从句中的内容描述或说明主句中的主语或宾语。
在英语中，表语从句的引导词通常为连词“that”，但是在口语和一些特定的语言环境中，引导词“that”可以省略。
表语从句的使用表语从句常常用于以下几种情况：2. 表示状态：She is happy that she passed the exam.3. 表示观点或看法：His opinion is that we should postpone the meeting.4. 表示推测或假设：The fact is that he must have forgotten about the appointment.表语从句的例句以下是几个使用表语从句的例句：1. The problem is that we don't have enough time to finish the project.2. His wish is that his parents would be proud of him.3. The truth is that he has been lying to us all along.4. My hope is that we can find a solution to this issue.6. The fact is that he is the most qualified candidate for the job.以上是关于表语从句的详细解释和例句。
通过学习和理解表语从句的使用，您可以丰富和提升您的英语写作技巧。
希望这份文档对您有所帮助！。
表语从句高考知识点总结
表语从句高考知识点总结表语从句是英语语法中的一个重要知识点，也是高考中常出现的考点之一。
掌握好表语从句的用法和特点对于提高英语语法的掌握能力至关重要。
本文将总结和归纳表语从句的知识点，帮助同学们更好地应对高考。
一、表语从句的概念表语从句是在句子中作为表语的从句，用来说明主语或宾语的具体情况、性质、特点等。
表语从句与主句之间有着一定的逻辑关系，一般由连接词引导。
二、表语从句的引导词1. 连接代词：that, whether, who, whom, what, which, whose, how 等。
例如：- I don't know whether he will come.- She asked me who was at the party last night.2. 连接副词：when, where, why, how等。
例如：- I remember when I first met her.- Do you know why she is so upset?三、表语从句的用法1. 作主语：表语从句可以直接作为主语出现在句子中。
例如：- What she said is true.- How he will handle the situation is still unclear.2. 作宾语：表语从句可以作及物动词或介词的宾语。
例如：- He didn't tell me what had happened.- I am not sure about what she is talking about.3. 作表语：表语从句可以作为主句的表语，进一步说明主语的情况、性质或特点。
例如：- His dream is to become a famous singer.- The question is whether we should support the new policy.四、表语从句的语序表语从句的语序一般是陈述语序，即主语+谓语。
高中英语语法表语从句详解素材
定义表语从句定义：在一个复合句中，从句作的是主语的表语成分。
A The problem is puzzling.这个问题令人困惑主语,连系动词,形容词作表语The problem is when we can get a pay rise.问题是什么时候我们可以得到加薪.主语连系动词一个句子作表语---表语从句B 连接表语从句的连接词有：that, what, who, when, where, which, why,whether,how.whoever，whomever，whichever ，whatever等He has become a teacher.他已经成为一名教师。
He has become what he wanted to be ten years ago.他已经成为了他10年前想成为的。
She has remained there for an hour.她曾在那里停留了一个小时。
She has remained where I stood yesterday for an hour.她一直在我昨天站的地方站了一个小时。
注意A表语从句一定要用陈述语序。
False: The question is when can he arrive at the hotel.Right: The question is when he can arrive at the hotel.B不可以用if，而用whether 连接表语从句(as if 例外）。
引导宾语从句时可以互换if/whether 位于介词后要用whether位于句首时要用whether引导表语从句，主语从句，同位语从句时要用whetherFalse: The question is if the enemy is marching towards us.Right: The question is whether the enemy is marching towards us.Right: It looked as if he had understood this question.C不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致。
(完整)高中英语表语从句讲解及专项练习
表语从句解说及专项练习观点：表语从句是在复合句中作表语的名词性从句。
放在系动词以后,一般构造是“主语 +系动词 +表语从句”能够接表语从句的连系动词有be, look, remain, seem 等。
能够接表语从句的系动词有：1： be（being,been,am,is,are,was,were)2: feel , seem , look, appear ,sound, taste , smell3: stand , lie , remain ,keep, stay4: become ,get , grow , turn ,go ,come, run, fall5: prove, turn outThe trouble is that we are short of money. 困难是我们资本欠缺。
That is why stone walls are used instead of fences around New England fields.这就是为何在新英格兰用石头墙而不用栅栏的原由。
At that time, it seemed as if I couldn't think of the right word anyhow.当时,我仿佛怎么也想不出一个适合的字眼来。
指引表语从句的词：附属连词 that、 whether、 as though、 as if（ That 指引表语从句时，在口语中，间或能够省略。
）关系代词 who, what, which, whom, whose, whatever, whoever, whomever, whichever等；关系副词 when, where, why, how, however, whenever, wherever 等。
由附属连词that， whether 指引的表语从句。
that 在指引表语从句时无词义，而whether 有词义，意为、“能否”。
(完整版)表语从句用法详解
表语从用法1.定义：表语（Predicative）的作用：说明主语是什么。
可以由名词、形容词或相当于名词或形容词的词或短语充当表语的成分。
然而要注意，表语从句属于名词性从句，只是表语的其中一种情况——由名词充当表语。
2.引导表语的从句的关联词的种类（1）从属连词that.The trouble is that I have lost his address.The reason was that he was late for school.(2)从属连词whether, as, as ifHe looked just as he had lookedten years before.The question is whether they will be able to help us.注：从属连词if一般不用来引导表语从句，但as if却可引导表语从句。
All this was over twenty years ago, but it’s as if it was only yesterday.The key is whether we can solve the problem.It looked as if it was going to rain.注：能跟表语从句的谓语动词一般为系动词be, seem, look, sound等He looked just as he had looked ten years before.It sounds as if someone is knocking at the door.(3) 连接代词who, whom, whose, what, which, whoever, whatever, whichever 在表语从句中做主语、宾语等。
The problem is who we can get to replace her.That was what she did this morning on reaching the agreement.My question is who left.(4) 连接副词where, when, how, whyWhat I wonder is when he left. This is where they once lived.That is why he didn’t come here.The question is how he did it.(5) 连词because 可引导表语从句。
英语语法讲解之表语从句
英语表语从句表语从句：就是用一个句子作为表语。
说明主语是什么或者怎么样，由名词、形容词或相当于名词或形容词的词或短语充当，和连系动词一起构成谓语。
表语从句是名词性从句的一种。
表语从句的基本结构是：“主语+连系动词+关联词+表语从句”。
连接表语从句的连接词有：that, what, who, when, where, which, why, whether, how,，whoever whomever，whichever，whatever 等。
例如：The question is when he can arrive at thehotel. His suggestion is that we should stay calm.①语序：从句的语序必须是陈述句语序，即“主语+谓语”这种形式。
②时态：当主句是一般现在时或一般将来时的时候，从句可以是任何时态，而当主句是一般过去时的时候，从句，从句时态必须是过去时范围的时态，即（一般过去时，过去进行时，过去完成时，过去将来时）。
③连接词：当从句意思完整，主句意思肯定时，连接词用that，且可以省去，当从句意思完整，主句意思不确定或含否定含意时，常用if 或whether （是否），当从句意思不完整时，连接词则是代替不完整部分的特殊疑问词。
根据关联词来区分,表语从句可以分为六种:一、由that 引导的表语从句The trouble is that he misunderstood 麻烦的me 是他.误解了我。
有时，引导表语从句的连词that 可以省略The truth is (that) I’ didnt finish my term essay 事实. 是我没有写完学期论文。
二、由连接代(副)词引导的表语从句连接代词who, whom, whose, what, which, whoever, whatever, whichever；连接副词where, when, how, 。
高考英语语法表语从句重点解析及高考真题
一些引导词的用法（二）
What 在表语从句中充当主语、宾语或表语
表示
什么，什么样子，或所……的（人或事）
.
1. The question is what caused the accident.
2. That mountain is no longer what it used to be .
3. What he told you was what had been discussed
与过去事实相反用 had+p.p.
或表示将来
的可能性不大，则用 Would(might,could)+v原 .
1. Li Lei is now in a new jacket. He looks as if he were an American boy.
2. The girl is giving us a vivid description of the moon. It seems as if she had been to the moon many times.
2.由连接代词引导。如：“what” “who”“whom”“whose” “which” Guilin is not what it used to be. What she wants to know is which dress she should buy.
3.由连接副词引导。如：“when”“why”“where”“how”“because” That is where Lu Xun used to live. That is why he didn’t pass the exam.
比较在定语从句中的用法。
China is a country which has a history of 2000 years. A dictionary is a book which gives the meaning of words.
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定义表语从句定义：在一个复合句中，从句作的是主语的表语成分。
AThe problem is puzzling.这个问题令人困惑主语,连系动词,形容词作表语The problem is when we can get a pay rise.问题是什么时候我们可以得到加薪.主语连系动词一个句子作表语---表语从句B连接表语从句的连接词有：that, what, who, when, where, which, why,whether,how.whoever，whomever，whichever ，whatever等He has become a teacher.他已经成为一名教师。
He has become what he wanted to be ten years ago.他已经成为了他10年前想成为的。
She has remained there for an hour.她曾在那里停留了一个小时。
She has remained where I stood yesterday for an hour.她一直在我昨天站的地方站了一个小时。
His suggestion is good.他的建议是好的。
His suggestion is that we should stay calm.他的建议是，我们应该保持冷静。
The question is confusing.这个问题令人困惑.The question is when he can arrive at the hotel.问题是，他什么时候可以到达酒店。
Who will travel with me to Beijing tomorrow.谁与我明天将前往北京。
Why he cried yesterday.昨天他为什么哭。
How I can persuade her to join us in the party.我怎么能说服她加入我们的派对。
Whether the enemy is marching towards us.是否敌人正向我们行进.注意A表语从句一定要用陈述语序。
False: The question is when can he arrive at the hotel.Right: The question is when he can arrive at the hotel.B不可以用if，而用whether 连接表语从句(as if 例外）。
引导宾语从句时可以互换if/whether 位于介词后要用whether位于句首时要用whether引导表语从句，主语从句，同位语从句时要用whetherFalse: The question is if the enemy is marching towards us.Right: The question is whether the enemy is marching towards us.Right: It looked as if he had understood this question.C不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致。
Right: The question is who will travel with me to Beijing tomorrow.Right: The question is why he cried yesterday.Dthat在表语从句中不可以省掉。
基本用法表语从句只能置于主句之后，而主句的动词只能是联系动词。
名词性从句在be等系动词后作表语时被称为表语从句例如： The problem is how we can get the things we need.问题是我们怎样能弄到我们需要的东西。
(how 在表语从句中充当方式状语)The scissors are not what I need. 这把剪刀不是我所需要的。
(what 在表语从句中充当宾语)What I told him was that I would find him a good play. 我告诉他的是我会给他找个好剧本。
(what在主语从句中作直接宾语， that作为表语从句的引导词在该表语从句中不充当句子成分，不能省略)That is what I want to tell you.那就是我想要对你讲的。
(what在表语从句中充当直接宾语)That is why she failed to pass the exam. 那就是她考试不及格的原因。
(why 在表语从句中充当原因状语)注意“That is why...”是常用句型，意为“这就是……的原因/因此……”，其中why 引导的名词性从句在句中作表语，该句型通常用于针对前面已经说明过的原因进行总结，又如： That is why you see this old woman before you know, Jeanne. 珍妮，这就是现在这个老太婆出现在你面前的原因。
(前文提到Jeanne对老妇人显得苍老憔悴深感诧异，说话人对她讲述了其中的原因之后，用这一句来进行概括)。
// That is why I came. 这就是我来的原因。
下面是两个与“That is why...”形式相似的结构，它们与“That is why...”结构之间的关系要能够辨析清楚：(1)“That is why...”与“That is the reason why...”同义，只不过从语法结构上讲，“That is the reason why...”中why引导的是—个定语从句，将其中的the reason 去掉则与“That is why...”结构一样，例如：That is (the reason) why I cannot agree. 这就是我不能同意的理由。
(2)“That is because...”句型中从属连词because引导的名词性从句在此作表语，这也是个常用句型，意为“这就是为什么……/因为……”。
“That is because...”与“That is why...”之间的不同在于“That is because...”指原因或理由，“That is why...”则指由于各种原因所造成的后果，例如：He did not see the film last night. That is because he had to help his little sister with her homework.昨天晚上他没有去看电影，那是因为他得帮助他的妹妹做作业。
(第一句话说明结果，第二句话说明原因)He had seen the film before. That is why he did not see it last night.他以前曾看过那部电影，因此他昨天晚上没有去看。
(第一句话说明原因，第二句话说明结果) 案例分析［考题1］The traditional view is ____ we sleep because our brain is “programmed” to make us do so. (2007上海)A. whenB. whyC. whetherD. that［答案］ D［解析］下划线处之后是包含一个原因状语从句的表语从句，如果看不出它是充当整个句子结构的表语从句将难以把握整个句子的意思。
因此，应选择可引导名词性从句且不充当任何成分的that。
［考题2］You are saying that everyone should be equal, and this is ____ I disagree. (2004)A. whyB. whereC. whatD. how［答案］ B［解析］下划线处的引导词引导系动词is后的表语从句并在该表语从句中充当地点状语(“disagree”属于不及物动词，“I disagree”本身是完整的主谓结构)，下划线应填入引导词where，表语从句“where I disagree”的意思是“我不同意之处、我不同意的地方”。
［考题3］— I drove to Zhuhai for the air show last week.— Is that ____ you had a few days off? (1999)A. whyB. whenC. whatD. where［答案］ A［解析］下划线处的引导词引导与系动词is连用的表语从句并在该表语从句中充当原因状语，下划线应填入表示“因此……”(指因某种原因所造成的结果)的引导词why。
［考题4］____ she couldn’t understand was ____ fewer and fewer students showed interest in her lessons. (2000上海)A. What; whyB. That; whatC. What; becauseD. Why; that［答案］ A［解析］第一个下划线处的引导词引导主语从句并在该主语从句中充当宾语，特指她所不理解的事情，应填入关系代词型的引导词what；第二个下划线处表示“因此……”(指因某种原因所造成的后果，由why引导对应的名词性从句)而不是“为什么……”(指原因、理由，由because引导对应的名词性从句)，应填入引导词why。
［考题5］____ made the school proud was ____ more than 90% of the students had been admitted to key universities. (2003上海春)A. What; becauseB. What; thatC. That; whatD. That; because［答案］ B［解析］第一个下划线处的引导词引导主语从句并在该主语从句中充当主语，特指令校方骄傲的事情，应选用关系代词型的引导词what；第二个下划线处引导表语从句表示原因、理由，应由that引导对应的名词性从句。
［考题6］— Are you still thinking about yesterday’s game?— Oh, that’s ____. (2003北京春)A. what makes me feel excitedB. whatever I feel excited aboutC. how I feel about itD. when I feel excited［答案］ A［解析］ A选项的意思是“令我感觉激动的事物”； B选项的意思是“我觉得激动的任何事物”； C选项的意思是“我对它感觉的方式”； D选项的意思是“令我感觉激动的时间”。