英语名词从句简单句知识总结思维导图

英语名词从句简单句知识总结，详细的总结了简单句与名词从句，简单句与主语从句，简单句和宾语从句，简单句与表语从句，简单句与同位语从句。帮助小伙伴快速掌握英语名词从句的内容点！

英语名词从句简单句知识总结思维导图

简单句与名词从句

何谓名词从句

在英文中，名词或名词短语主要充当四种句子成分：主语、宾语、表语和同位语。 如果把句子当做名词来用，分别充当另一句话的主语、宾语、表语和同位语，于是 便构成了四种从句：主语从句、宾语从句、表语从句和同位语从句。因为这四种从句 在本质上相当于名词的作用，所以统称为名词从句。

主语

The book is interesting.

名词短语the book做主语

简单句

What I am reading is interesting

完整的句子what I am reading作主语 因此称为主语从句。

主语从句

宾语

No one knows exactly the life on other plants.

名词短语the life on other plants作宾语

简单句

No one knows exactly whether there is life on other plants.

完整的句子作宾语，因此作为宾语从句

宾语从句

表语

English is a useful tool.

名词短语 a useful tool作表语

简单句

English is what I like most among all subjects.

完整的句子作表语

表语从句

同位语

I love the novel,The Old Man and the Sea.

名词短语The Old Man and the Sea作novel的同位语，用来补充说明novel

简单句

I love the saying that love,not time heals all wounds.

完整的句子作saying的同位语

同位语从句

陈述句、一般疑问句以及特殊疑问句可以用来充当另外一个句子的某种成分、比如主语、宾语、表语或同位语

陈述句作句子成分

要在陈述句句首加上that

陈述句

English is important.

名词从句

That English is important is an undoubted fact.

陈述句作主语，构成主语从句

Love,not time heals all wounds.

名词从句

I've learned that love,not time heals all wounds.

陈述句作宾语，构成宾语从句

The child should be sent to school.

名词从句

My idea is that the child should be sent to school.

陈述句作表语，构成表语从句

He succeeded in the experiment.

名词从句

The fact that he succeeded in the experiment pleased everybody.

陈述句用作同位语，补充说明名词the fact，构成同位语从句

一般疑问句作句子成分

用whether或if引导

当把一个一般疑问句当作名词来使用时，需要先将疑问句的倒装语序变为陈述句语序，并 在句首加上whether或if来引导，以保留原句的疑问意义。

Will he come to my party?

Whether he will come to my party makes no difference to me.

一般疑问句作主语，构成主语从句。

Does he need my help?

I don't know if/whether he needs my help.

一般疑问句作宾语，构成宾语从句

Will people live on the moon someday?

My question is whether people will live on the moon someday.

一般疑问句作表语，构成表语从句

Is there life on other planets?

Scientists have argued over the question whether there is life on other planets.

一般疑问句作同位语，补充说明question,构成同位语从句

if还是whether？

if一般只用于引导宾语从句，而whether可引导宾语从句在内的其它名词从句

If he comes or not makes no difference.

The question is if he will come.

if不和or not直接连用，即一般不说if or not，但可以说if...or not。而whether没有此限制

I don't know if or not he comes.

I don't know whether or not he comes.

特殊疑问句作句子成分

变倒装语序为陈述语序

Why did dinosaurs become extince?

Why dinosaurs became extinct is still a mystery.

特殊疑问句作主语，构成主语从句

How many letters are there in the Engllish alphabet?

I don't know how many letters there are in the English alphabet.

特殊疑问句作宾语，构成宾语从句

What are we badly in need of?

Money is what we are badly in need of.

特殊疑问句作表语，构成表语从句

Where could we get the loan?

There arose the question where we could get the loan.

特殊疑问句作同位语，补充说明question，构成同位语从句

特殊疑问词作主语，无需调整句子语序

who will chair the meeting?

Who will chair the meeting has not yet been decided.

简单句与主语从句

陈述句作主语

把"that+陈述句"这一结构放在主语的位置即构成主语从句

That the seas are being overfished has been known for years.

That the plates are moving is not beyond dispute. 地球板块是在漂移的，这一点并非毫无争议。

That English is important is an undoubted.

That he doesn't understand English is obvious.

That the world is round is fact.

That the moon itself does not give off light is common knowledge.

对于陈述句作主语，更常见的是用it作形式主语置于句首，而将主语从句放在句末。

It has been known for years that the seas are being overfished.

It is not beyond dispute that the plates are moving.

It is an undoubted fact that English is important.

It is obvious that he doesn't understand English.

It is a fact that the world is round.

It is common knowledge that the moon itself does not give off light.

常见主语从句句型

It is+过去分词+that从句

It's reported that...据报道。。。

It's believed that...人们相信。。。

It is generally thought that...人们普遍认为。。。

It should be noted that...应当注意。。。

It has been found that...现已发现。。。

It must be pointed out that...必须指出。。。

类似动词还有say,expert,know,estimate和forecast等

例句：

As a child and as an adult as well,Bill Gates was untidy.It has been said that in order to counteract this,Mary drew up weekly clothing plans for him.

It is+形容词+that从句

It is clear that...显然。。。

It is possible that...很可能。。。

It is likely that...很可能。。。

It is natural that...很自然。。。

It is certain that...可以相信。。。

It is strange that...奇怪的是。。。

It is fortunate that...幸运的是。。。

It is necessary that...有必要。。。

例句：

It is true that English is becoming an international language.

It is +名词短语+that从句

常用的名词有：a pity,a shame,an honor,a good idea和no wonder等等

It is a pity that...可惜的是。。。

It is good news that...。。。真是太好了。。。

It is no wonder thant...难怪。。。

It is an honor that...真荣幸。。。

It is my belief that...我相信。。。

It is a fact that...事实是。。。

It is a good thing that...。。。真是件好事。。。

It is a shame that...遗憾的是。。。

It is common knowledge that...。。。是常识

It is a miracle that...。。。真是奇迹

例句

It is common knowledge that the whale is not a fish.

It is common knowledge that a flash of lightning is seen before a clap of thunder is heard.

It is a shame that you did not past the test.

一般疑问句作主语

一般疑问句作主语时，要把一般疑问句变成陈述句，并且用whether来引导，然后充当句子的主语，即构成主语从句。

Whether he comes or not makes no difference to me.

特殊疑问句作主语

What we need is wholly new kind of police force. 我们需要的是一个全新的警察机构。

What he told you is true. 他和你讲的都是实话。

When the meeting is to be held has not yet been decided.

Why he refused to cooperate with us is still a mystery.

How a person masters his fate is more important than what his fate is. 对于一个人来说，重要的是如何掌握自己的命运，而不是被动的接收命运的安排。

September 11,2001 started out as an ordinary day,but what happened that morning will be forever etched in our memories.

简单句和宾语从句

陈述句作宾语

把"that+陈述句"这一结构放在宾语的位置即构成宾语从句

例句：

We know(that) the world is round.

I think (that) a sound knowledge of grammar is indispensable to good writing. 我认为扎实的语法功底对良好的写作极为重要。

注意：只有宾语从句中的that才可以省略。

一般疑问句作宾语

把"whether/if+陈述句"这一结构放在宾语的位置即构成宾语从句

例句：

I don't know if/whether he needs my help.

No one knew whether or not interest rates would rise. 没有人知道利率是否会提高。

注意：只有宾语从句才可以用if引导，主语从句、表语从句和同位语从句一般都要用wether引导。

特殊疑问句作宾语

把特殊疑问句变成陈述句语序后放在宾语的位置即构成宾语从句。

例句：

I have not decided whom I should vote for.

No one knows exactly how speech began. 没有人确切地知道语言是如何产生的。

Could you tell me where the post office is?

We don't know why he did not come yesterday.

They gave who came to the meeting a pamphlet.

You should vote for which candidate you assume best.

The mother will buy whichever books her son wants.

简单句与表语从句

陈述句作表语

把"that+陈述句"这一结构放在表语的位置就构成了表语从句。

My idea is that the child should be sent to school.

一般疑问句作表语

把"whether+陈述句"这一结构放在表语的位置即构成表语从句

My concern is whether he comes or not.

特殊疑问句作表语

把特殊疑问句变成陈述句语序后放在表语的位置即构成表语从句。

例句

Change is what keeps us fresh and innovative.Change is what keep us from getting stale.Change is what keeps us young.

Money is what we are badly in need of.

Yesterday is history.Tomorrow is mystery.Today is a gift.That's why it's called the present!.

The point is when you will become rich.

This is where our basic interest lies.

简单句与同位语从句

陈述句作同位语

把"that+陈述句"这一结构放在同位语的位置就构成了同位语从句。

例句

He was prepared to prove his theory that two different weights would fall to the ground at the same time. 先行词

The fact that he succeeded in the experiment pleased everybody.

The rumor that Tom was a thief turned out to be untrue.

They spread the lie everywhere that Tom was guilty of theft.

A saying goes that practice makes perfect.

Dreary months dragged by before the tragic news reached her that her beloved brother had been killed for anti-Nazi activities.

一般疑问句作同位语

把"whether+陈述句"这一结构放在同位语的位置即构成同位语从句

They are faced with the problem whether they should continue to work.

特殊疑问句作同位语

把特殊疑问句变成陈述句语序后放在同位语的位置即构成同位语从句。

There arose the question where we could get the loan.

The question who should go abroad on this business tour requires consideration.

I have no idea when he will return.