本文目录
主语从句例句
一、主语从句定义：在句子中担当主语的是一个从句，这个从句就叫做主语从句。
二、主语从句例句：
1. What surprised me most was that the little girl could play the violin so well.
2. Who will go to the concert is not known.
3. That she was chosen made us very happy.
4. Whether she will come or not is still a question.
5. Which book they will choose is still unknown.
6. When we shall hold our sports meet is not decided.
7. It’s strange that he knows nothing about it.
8. It is a pity that she has made such a mistake.
9. It is said that President Jingo will visit our school next week.
三、主语从句的引导词
主语从句通常由连词that和whether、连接代词或连接副词以及关系代词型what引导。
1. that引导
That he is still alive is a wonder. 他还活着，真是奇迹。
That we shall be late is certain. 我们要晚了，这是确定无疑的。
That he should have ignored the working class was natural. 他忽视工人阶级是很自然的。
That she is still alive is a consolation. 她还活着是使人感到宽慰的。
That she became an artist may have been due to her father’s influence. 她成为画家可能是受她父亲的影响。
That you are coming to London is the best news I have heard this long time. 你将来伦敦是好久以来我听到的最好消息。
That she was chosen made a tremendous stir in her village. 她被挑选上，在她村 子里引起很大轰动。
2. whether引导
Whether it will do us harm remains to be seen. 是否对我们有害还要看一看。
Whether they would support us was a problem. 他们是否会支持我们还是一个问题。
3. 连接代词引导
Whoever is top from wins the game when two matched players meet. 两强相争勇者胜。
Whichever (of you) comes in first will receive a prize. 无论(你们)谁先到都可以得奖。
Whichever you want is yours. 你要哪个哪个就是你的。
4. 连接副词引导
When we arrive doesn’t matter. 什么时候到没有关系。
How it was done was a mystery. 这是怎样做的是一个谜。
How this happended is not clear to anyone. 这件事怎样发生的，谁也不清楚。
How many people we are to invite is still a question. 邀请多少人还是一个问题。
Where I spend my summer is no business of yours. 我在哪里过暑假不关你的事。
5. 关系代词型what引导
What we need is money. 我们需要的是钱。
What I want to know is this. 我想知道的就是这一点。
What’s done is done. 事已成定局。
What he says is not important. 他说的话并不重要。
What I am telling you is mere impressions. 我和你说的都不过是一些印象而已。
What make the river more beautiful are the lotus plants growing in the water. 为河水增色的是水里的荷花。
What you need is a good-sized canvas bag. 你需要的是一个比较大的帆布袋。
What I am afraid of is their taking him to Portugal. 我担心的是他们把他带到葡萄牙去。
What struck me was that they have all suffered a lot. 给我很深印象的是他们都受过很多苦。
四、主语从句与形式主语it
有时为了考虑句子平衡，通常在主语从句处使用形式主语it，而将真正的主语从句移至句末。这分三种情况：
(1) 对于以连词that引导的主语从句，通常用形式主语代主语从句：
It’s a pity that he didn’t come. 很遗憾他没来。
It is important that he should know about this. 他必须知道此事。
It’s vital that we be present. 我们出席是至关重要的。
It was intended that you be the candidate. 大家的意图是让你当候选人。
It is important that this mission not fail. 这项使命不失败至关重要。
It is essential that a meeting be convened this week. 本周开一次会非常重要。
It is appropriate that this tax be abolished. 废除这个税是恰当的。
It’s unfair that so many people should lose their jobs. 竟有这么多人失业这是不公平的。
It’s amazing that she should have said nothing about it. 她竟未谈及此事令人惊讶。
It’s unthinkable that they should deny my request. 他们竟然拒绝我的请求，这是不可思议的。
That they should refuse to sign the petition required great courage. 他们拒绝在请愿书上签字这是需要很大勇气的。
(2) 对于以连接代词(副词)引导的主语从句，可以使用形式主语代主语从句，也可直接在句首使用主语从句：
Whether they would support us was a problem. 他们是否会支持我们还是一个问题。
It was a problem whether they would support us. 他们是否会支持我们还是一个问题。
It remains to be seen whether it will do us harm or good. 它对我们是利是害，还得看看再说。
(3) 对关系代词型what引导的主语从句，通常直接将主语从句放在句首。如：
What we need is money. 我们需要的是钱。
What I want to know is this. 我想知道的就是这一点。
有时也可将助用形式主语。如：
It is clear enough what he meant. 他是什么意思很清楚。
(4) 如果句子是疑问句，则必须用带形式主语it的结构：
Is it true that he is the girl’s father? 他是那女孩的父亲，是真的吗？
How is it that you are late again? 你怎么又迟到了？
五、连词that的省略问题
引导主语从句的连词that 有时可省，有时不能省，其原则是：若that引导的主语从句直接位于句首，则that不能省略；若that引导的主语从句位于句末，而在句首使用了形式主语it，则that可以省略：
That you didn’t go to the talk was a pity. 很遗憾你没去听报告。(that不可省)
It was a pity (that) you didn’t go to the talk. 很遗憾你没去听报告。(that可省)
主语从句有哪些类型
主语从句在复合句中作主句的主语,引导主语从句的词有从属连词that, whether以及连接代词who, what, which, whoever, whatever, whichever和连接副词when, where, why, how等.例如:
1、That she was chosen made us very happy.她当选了使我们很高兴.
2、What caused the accident is a complete mystery.是什么导致了这次事故还完全是一个谜.
3、Whether she will come or not is still a question.她是否来还是一个问题.
4、Which team will win the match is still unknown.哪个队会赢得这场比赛还不知道.
5、Whoever comes to the party will receive a present.参加聚会的每一个人都将收到一份礼物.
6、When they will start has not been decided yet.他们何时出发还没决定.
注意:上述例句中的主语从句都是放在句首,但有时为了使句子结构平衡,避免"头重脚轻",常用it作形式主语,而把从句放在后面.例如:
It is a pity that she has made such a mistake.她犯了这样一个错误,真是遗憾.
It depends on the climate whether they are going shopping today.他们是否今天去购物还得看天气情况.
这样就构成了下面一些常用句型:
1)It is + adj. / n. +从句
It is a pity/shame that...遗憾的是……
It is possible that...很可能……
It is unlikely that...不可能……
2)It +不及物动词+从句
It seems/appears that...似乎……
It happened that...碰巧……
3)It + be +过去分词+从句
It is said that...据说……
It is known to all that...众所周知……
It is reported that...据报道……
It is believed that...据信……;人们相信……
It is suggested that...有人建议……
It must be pointed out that...必须指出……
It has been proved that...已证明…….例如:
It is believed that at least a score of buildings were damaged or destroyed.据信,至少有二十座楼房遭到破坏或彻底毁掉.
It is suggested that the meeting should be put off.有人建议会议延期召开.
It's reported that three people were killed in the accident and five were hurt badly.据报道,事故中三人丧生,五人重伤.
It is known to all that Taiwan is an inseparable part of China.众所周知,台湾是中国不可分割的一部分.
扩展资料
宾语从句用以区分 主语从句的几个特征：
1、 引导词：what\which\whose\when\whether\if\where
2 语序：宾语从句必须是用陈述语句。（名词性从句都是陈述语序）
如：I think that you must work harder.
宾语从句的引导词、 连接词的区别、 否定转移等现象。
补充： 从句的语序永远是 陈述句。
英语主语从句
好认真，必须赞一个，可以去查语法，很多介绍的
什么叫主句什么叫从句在英语里
主语从句，即在复合句中充当主语成分的句子，例如"That
he
finished
writing
the
composition
in
such
a
short
time
surprised
us
all"，他在很短的时间内写完作文让我们都很惊讶，此复合句主要描述的是某事让我们惊讶，某事就是该复合句的主语，因此"That
he
finished
writing
the
composition
in
such
a
short
time"便是该复合句的主语从句。
引导主语从句的连词主要有:
从属代词:that
whether；
连接代词:who
whoever
whom
whose
what
whatever
which
whichever；
连接副词:when
where
how
why；
主语从句的时态：不受主句的时态影响和限制。
（1）That
he
finished
writing
the
composition
in
such
a
short
time
surprised
us
all.
（2）Whether
we
will
go
for
an
outing
tomorrow
remains
unknown.
（3）Who
will
be
our
monitor
hasn't
been
decided
yet.
（4）Whom
we
must
study
for
is
a
question
of
great
importance.
（5）What
caused
the
accident
remains
unknown.
（6）Whatever
you
did
is
right.
（7）Who
the
watch
belongs
to
is
unknown.
（8）What
we
need
is
time.
（9）What
we
need
are
good
doctors.
小结
（1）引导主语从句连词有that,whether,who,what,whatever等。
（2）连词位于句首不能省略。
（3）主语从句大多数情况下视为第三人称单数，但也有例外，如例（9）。
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