围巾用英语怎么说-观点英语怎么说
名词性从句
名词性从句是由if, whether, that
和各种疑问词充当
连接词所引导的从句,其功同名词一样。
一.主语从句
主语从句
是在复合句中充当主语的从句,通常放在主
句谓语动词之前或由形式主语it代替,而本身放在句
子末尾。
1. It 作形式主语和it引导强调句的比较
It 作形式主语代替主语从
句,主要是为了平衡句子结
构,主语从句的连接词没有变化。而it引导的强调句
则是对句子某
一部分进行强调,无论强调的是什么成
分,都可用连词that。被强调部分指人是也可用
wh
owhom。例如:
It is a pity that you didn't
go to see the film.
It doesn't interest me
whether you succeed or not.
It is in the
morning that the murder took place.
It is John
that broke the window.
2. 用it 作形式主语的结构
(1)
It is +名词+从句
It is a fact that … 事实是…
It
is an honor that …非常荣幸
It is common knowledge
that …是常识
(2) it is +形容词+从句
It is natural
that… 很自然…
It is strange that… 奇怪的是…
(3)
it is +不及物动词+从句
It seems that… 似乎…
It happened that… 碰巧…
(4) it +过去分词+从句
It is reported that… 据报道…
It has been
proved that… 已证实…
3. 主语从句不可位于句首的五种情况
(1)
if 引导的主语从句不可居于复合句句首。
(2) It is said ,
(reported) …结构中的主语从句不可提
前。例如:
It is said
that President Jingo will visit our school
next week. (right)
That President Jiang
will visit our school next week
is said.
(wrong)
(3) It happens…, It occurs…
结构中的主语从句不
可提前。例如:
It occurred to him that
he failed in the examination.
(right)
That
he failed in the examination occurred to him.
(wrong)
(4) It doesn't matter howwhether
…结构中的主语
从句不可提前。例如:
It doesn't matter
whether he is wrong or not. (right)
Whether he
is wrong or not doesn't matter. (wrong)
(5)
含主语从句的复合句是疑问句时,主语从句不可
提前。例如:
Is it likely
that it will rain in the evening? (right)
Is that will rain in the evening
likely? (wrong)
4. What 与that 在引导主语从句时的区别
What 引导主语从句时在句时在从句中充当句子成
分,如主语.宾语.表语,而that
则不然。例如:
1) What you said yesterday is right.
2) That she is still alive is a consolation.
二.宾语从句
宾语从句就是在复合句中作宾语的名词性从句,通常
放在主句谓语动词
(及物动词)或介词之后。
1. 作动词的宾语
(1)
由that引导的宾语从句(that 通常可以省略),
例如:
I heard that
be joined the army.
(2) 由what, whether
(if) 引导的宾语从句,例如:
1) She did not know what had
happened.
2) I wonder whether you can change
this note for
me.
(3) 动词+间接宾语+宾语从句。例如:
She told me that she would accept my
invitation.
2. 作介词的宾语
例如:Our success
depends upon how well we can
cooperate with
one another.
3. 作形容词的宾语
例如:I am afraid
(that) I've made a mistake.
That
引导的从句常跟在下列形容词后作宾语:
Anxious, aware, certain,
confident, convinced,
determined, glad,
proud, surprised, worried, sorry,
thankful,
ashamed, disappointed, annoyed,
pleased, hurt,
satisfied, content 等。也可以将此类
词后的that
从句的看作原因状语从句。
4. It 可以作为形式宾语
It
不仅可以作为形式主语,还可以作为形式宾语而真
正的宾语that
从句则放在句尾,特别是在带复合宾
语的句子中。 例如:
We heard it
that she would get married next month..
5.
后边不能直接跟that 从句的动词
这类动词有Allow, refuse, let,
like, cause, force,
admire, condemn,
celebrate, dislike, love, help,
take, forgive等
。这类词后可以用不定式或动名词作
宾语,但不可以用that引导的宾语从句。例如:
I admire their winning the match. (right)
I admire that they won the match. (wrong)
6. 不可用that从句作直接宾语的动词
有些动词不可用于动词+间接宾语+that从句结构
中,常见的有Envy, order,
accuse, refuse, impress,
forgive, blame,
denounce, advise, congratulate等。
例如:
He
impressed the manager as an honest man.
(right)
He impressed the manager that he
was an honest
man. (wrong)
7. 否定的转移
若主句谓语动词为Think, consider, suppose,
believe, expect, fancy, guess, imagine等,其后的宾语从句若含有否定意义,一般要把否定词转移到主句
谓语上,从句谓语用肯定式。例如:
I don't think this dress fits you
well.(我认为这件衣
服不适合你穿。)
三.表语从句
表语从句在复合句中作
表语的名词性从句,放在系动
词之后,一般结构是主语+连系动词+表语从句。
可以接表语从句
的连系动词有be, look, remain,
seem等。引导表语从句的that常可省略。另外,常
用的还有the reason
is that… 和It is because 等结
构。例如:
1)
The question is whether we can make good
preparation in such a short time.
2) This
is why we can't get the support of the
people
3) But the fact remains that we are behind the
other
classes.
4) The reason he is late
for school is that he missed
the early bus.
四.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。
1. 同位语从句的功能
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,例如:
1) The king's decision
that the prisoner would be
set free surprised
all the people.
2) The order that all the
soldiers should stay still is
given by the
general.
2. 同位语在句子中的位置
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。例如:
He
got the news from Mary that the sports meeting
was put off.
3. 同位语从句与定语从句的区别
(1) 定语从句
中的that既代替先行词,同时以在从句
中作某个成分(主语或宾语),而同位语从句中的that<
/p>
是连词,只起连接主句与从句的作用,不充当句中任
何成分。
(2)
定语从句是形容词性的,其功能是修饰先行词,
对先行词加以限定,描述定的性质或特征;同位语从句是名词性的,其功能是对名词进行补充说明。例如:
1) The news that he
told me is that Tom would go
abroad next year.
(他告诉我的消息是汤姆明年将出
国。)(第一个that引导的从句是定语从句,that
在
从句中作宾语)
2)The news that Tom would go abroad is
told by
him.(汤姆将出国的消息是他讲的。)(同位语从句,
that在句中不作任何成分)
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