toxic是什么意思高考英语复习语法知识专题讲解15---名词性从句(解析版)

2021年1月6日发(作者：罗大佑)
高考英语复习语法知识专题讲解
专题十五
专题十
五 名词性从句
名词性从
句

名词性从句的句法功能相当于名词词组，在句中充 当主语、宾语、表语、同位语、介词宾语等。因此名
词性从句又分为主语从句、宾语从句、表语从句和同 位语从句。

类别

从属连词

连接代词

功

能

只起连接作用，不充当句子成分

that, whether, if
引

导

词

起连接作用，并充当主语、宾
who, whom, whose, which, what, whatever, whichever,
语、表语或定语

whoever
when, where, how, why
连接副词

起连接作用，并充当从句状语

一、主语从句的易错点

主语从句的
一般结构






it
作形式

It+be/becomes/became+
形容词 ／
主语从句＋谓语动词＋其他

How the book will sell depends on its author.
That he is the best student in the class is obvious.
It is still a question whether she will come or not.
It became clear that Mary did make a mistake.
It seems strange that he should have done a thing like
that.
It happens that he can understand a little about the
language.
名词／过去分词＋主语从句


It seems/ appears/ happens
等动词
＋
that
从句

主语时的

主语从句

It remains to be+
过去分词＋主语
It remains to be seen who will be the victor in the contest.
从句

It doesn't matter +how/whether
从
It doesn't matter whether he is wrong or not.
It doesn't matter much whether we go together or
separately.

It is necessary /important / natural /strange
等＋
that
从句

It is necessary that one(should)obey the law.
It is suggested /requested /proposed/desired
等＋
that
从
句

用来表示惊奇、怀疑、惋惜、理
应如此等语气时，主语从句谓语
动词用（
should ) do
形式

句

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It is suggested that you (should) attend the opening
ceremony.
二、宾语从句的易错点








I know that he is an honest boy.
Can you tell me how I can get to the zoo?
I wonder if/whether you have told the news to Li Lei.
They asked what Jean was doing now.
Do you know who has won game?

feel, think, find, consider, make
I find it important should keep calm in danger.
You may think it strange that he would live there.
I feel it a pity that I haven't been to the get- together.
I have made it a rule that I keep diaries.
主语＋及物动词＋宾语从句

动词后的

宾语从句




等，常用
it
作形式宾语，宾语从
句后置

like, dislike, love, hate, enjoy, I like it that everyone passed the exam.
appreciate
等不能直接跟宾语从
I hate it when they talk with their mouths full of food.
句，必须用
it
作形式宾语，后接
宾语从句

think, believe, suppose,
等词后的
I don't think your answers are right.
I don't believe that man is killed by Jim, is he?
He often thinks of how he can make his class lively.
She worries about whether she's really good enough.
宾语从句若是否定的，否定词要
转移到主句的谓语动词上

介词后的宾
语从句

非谓语动词
之后的宾语
从句



介词后可接宾语从句，但连接词
whether
不可换作
if
不定式、
v.-ing
形式、过去分词后
I'd just tried to do what I could for you.
也可以接宾语从句

I suggest eating what is fresh.
Do you know when the ancient games began?
主句谓语动词为一般现在时，从
句时态根据实际情况而定

主句谓语动词是一般过去时，从
句的时态一般用适当的过去时态

宾语从句中
的时态

He asked me if I was reading the textbook when he was
in.
当宾语从句为客观真理和规律
He said that light travels faster than sound.
时，则用一般现在时

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whether
与
if
与
or not
连用时，只用
whether
I want to know whether or not the train goes to King
Street.
＂
whether+
不定式
”
结构作宾语，
相当于一个宾语从句；
i f
无此用
法

I don't know whether to go there.

引导宾语从
句的区别

介词后面的宾语从句中只用

I'm not interested in whether he has a lot of money.
whether
if
引导的条件句中，如果再有表
He asked me whether I'd move to Beijing if I got the job.
示
“
是否
”
的引导词引导宾语从句
时，只用
whether
doubt
在肯定句中，接
whether
和
if
引导的宾语从句；但在否定句
We don't doubt that he is a brave man.
I doubt whether/if Jack could manage a sailing boat.
中，只用
that

三、表语从句的易错点

表语从句常位于连系动词
be, look, remain, seem
等之后，其连接词还有
as if/though,because
等



The trouble is that we are short of money.
He looked just as he had looked ten years before.
主语＋系动词＋表语从句

The question is whether they will be able to help us.
The problem is who we can get to replace her.
I think it is because you are doing too much.
The question is which of us should go.
because
引导表语从句强调原因，
why
引导表语
It's because you're careless.
That is why stone walls are used instead of fences around
New England fields.
从句强调结果

the reason why
从句＋
be + that
从句

what
从句＋
be+that
从句


It looks/seems as if/though
从句

The reason why he was absent was that he was ill.
What comforted the young mother was that the baby
came to life.
It looks as if it is going to rain.
At that time, it seemed as if I couldn't think of the right
word anyhow.
My advice is that you(should)quit smoking.
主句主语是
advice, demand, suggestion, order
，
requirement, idea, request
，
command
等时，表语
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从句用虚拟语气，即谓语动词用（
should)do
形
式

My suggestion is that we(should)start early tomorrow.
Our only request is that this(should)be settled as soon as
possible.
四、名词性从句其他易错点


that
与
what
what
充当成分，意为
...
的事物不
I only knew(that)he was studying in a western country,but
I didn't know what country he was in.
What you need is more practice.
That you will win the medal seems unlikely.
I don't understand what you said just now.(understand
后
可省略；
that
不作任何成分，只
起连接作用，也无实际意义，有
时可以省略

名词性从句已有疑问引导词时，
不再用
that
在名词性从
句中的区别

不再用
that)
2021高 考英语语法【
高考英语语法
【名词性从句】
名词性从句
】易错点对点训练30 题

I.
高考真题诊断
·
单句语法填空

year, makes the most beautiful kite will win a prize in the Kite Festival.
asked me I had returned the books to the library, and I admitted that I hadn't.
manager put forward a suggestion we should have an assistant. There is too much work to do.
natural architects,the Pueblo Indians figured out exactly thick the adobe walls needed to be to make the
cycle work on most days.
you swim in a river or lake,be sure to investigate is below the water there are rocks or
branches hidden in the water.
【答案详解】

r
解析 ：句意：每年，无论谁做出最漂亮的风筝都将会在风筝节获奖。空处引导主语从句，从句
中缺少主语成分 ，且表示
“
无论谁
”
，故填
whoever
。

r/if
解析：句意：她问我是否已经把书还给图书馆了，我承认我还没有归还。空处引 导宾语从句，
根据句意可知，该宾语从句要用
whether/if
引导。


解析：句意：经理提了个建议－我们应雇个助手，要做的工作大多了。分析句子结构可知， 空后的
同位语从句用来解释说明
suggestion
的具体内容，从句中不缺成分且 意义完整，故填
that
。


解析：分析句子结构可知，这是一个宾语从句。根据形容词
thick
及结构可知， 这里的意思是
“
印第
安人要算出土坯墙的确切厚度
”
。空后为形容词 ，因此空处应用副词，故填
how
。

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