主语表语

从属连词: that, whether；
连接代词: who (whoever), whom, whose, what (whatever)和which (whichever)；
连接副词: when, where, how和why。
主语从句 位于句首
1. That he knows Japanese is known to all.
3. It looks as if it were going to rain. as if /as though从句常表示
好象看上去要下雨似的. (其实不会)
不真实的情况
又比如:
She talks as if /as though she had been there before . 她说话的口气好象以前去过那儿似的.
Noun Clause
请判断出下列的句子属于哪种从句
What I want to do is taking a bath. (主从)
The news that they won the game spread the
whole school. (同位语从句) I don’t think he is an honest boy. (宾从)
eg: His suggestion is that we (should) hold another meeting to discuss the problem.
1. That is why practice is the most important in learning English.
表“是否”时，在下列情况下用whether。
a. 主语从句 b. 表语从句 c. 同位语从句 e. 介词后的宾语从句 f.后接动词不定式 (whether to do sth.) g .whether or not 连在一起引导宾语从 句时不用if
2） 主语从句的连接词
1. 连词that (无词义, 不作成分, 不能省略, 只起连 接作用); whether(是否), 不作成分, 不用if.
系动词的固定搭配:come true, fall asleep, fall ill, go bad
引导词
连接词：that / whether /as if /as though 连接代词：who / whom / whose / which / what 连接副词：when / where / why / how / because
4. This school is no longer what it was before. 这所学校已不再是从前的那个样子了.
More
注意下列表语从句中where, how, why 的译法
1. This is where Lu Xun once lived.
固定句型:
这就是鲁迅曾经住过的地方.
It + be + 名词 ＋ that从句
It is a pity/a shame … 真遗憾…
It is a surprise …. 令人惊奇的是…
It is a fact …
事实是…
It is an honor … 是我的荣幸
It is a wonder … ……是奇迹
It + 不及物动词 ＋ that从句
It appears/ seems that… 似乎…/ 看起来…
It happens that ….
碰巧…
It occurred to me that…… 我突然想起……
It + be + 动词的过去分词 ＋ that从句
It is believed/ thought that… 人们相信… It is well known to us/all that …. 众所周知… It has been decided that…… 已经决定…… It is said / reported that 据听说/ 据报道
可以接表语从句的系动词有：
1: be动词 2: 感官动词：feel , seem , look, appear ,sound, taste , smell 3: 表示状态：remain ,keep, stay 4: 表示变化：become ,get , grow , turn ,go , fall 5:证明： prove, turn out
注意 1. the reason后面的表语从句只能用that引导，
易犯“the reason is because…” 的错误
eg: The reason why he was late was that his car broke down on the way.
2. 在 表 示 命 令 order, advice, suggestion, desire, proposal, demand, request, requirement等的名词后的表语从句中，谓语 动 词 要 用 虚 拟 语 气 ： should+ 动 词 原 形 ， should可省略
这就是…的方法
这就是她为什么今天早上起得这么早的原因. 1. 我们就是这样克服困难的.
This is / That was how we overcame the difficulties.
2. 那就是他昨天缺席的原因. That is why he was absent yesterday.
3. 这就是我们上星期碰头的地方. This is where we met last Sunday.
It is a pity that we can’t go. It is certain that she will do well in her exam. It is said that Mr. Green has arrived in
Beijing. It depends on the climate whether they are
名词性从句的相关概念
1.名词： 表示人或事物的名称的词叫名词。
2.名词的句法作用： 名词在句中主要作主语、宾语、表语和同位语。另外还 可以作定语。
3.名词性从句： 在英语的句子结构中，本来该由名词充当的主语、宾语、 表语和同位语，由一个句子来充当，这个句子就叫名词 性从句。
主语从句
引导主语从句的连接词有：
It is a pity, a shame, no wonder + that (should) do
II. 表语从句
表语从句的定义：表语从句在复合句中作主 句的表语。表语从句和主语指同一内容， 它对主语进行解释、说明，使主语的内容 具体化。
结构是“主语+系动词+引导词+简单句（表语从 句）”。
The fact is that he stole the car. (表从) Do you know the fact that he stole the car?
(同位语从句)
Do you know the man who is standing over
there?
(定从)
It is said that they won the game. (主从)
It is well-known that Bill Gates is the richest person in the world.
4.我们应该养成好的学习习惯这很重要. It is important that we should form a good habit of studying.
主语从句中的虚拟语气
2. That was how they won the match.
他们就是这样赢得这场比赛的.
This is where…
这就是…的地方
This is why …
这就是…的原因
This is how….
3. This is why she got up so early this morning.
wenku.baidu.com
他懂日语,这一点大家都知道
That无词义,不可省略
2. What surprised me was to see him here .
令我惊讶的是在这儿见到他.
What “什么”, “所….
3. When he will come is unknown 的. ”
他什么时候来不清楚.
When “什么时候”
going shopping today.
翻译
一个学生学好英语是很重要的。 据报道中国作家莫言获得了诺贝尔文学奖。 地球围着太阳转是个常识。
It is important that a student learns English well.
It is reported that Chinese writer Moyan got the Nobel Prize in literature.
It + be + 形容词 ＋ that从句
It is necessary/ important that …. …..是有必要/重要的
It is obvious/ clear that…… 很明显…… It is certain / true that ……是肯定的 It is true that ……是事实 It is strange that ……很奇怪 It is natural that ……是很自然的
2. The village is no longer what it used to be ten years ago.
3. That was because he was caught in a traffic jam.
It is suggested, ordered, proposed, required, demanded, requested, insisted + that (should) do
It is important, necessary, natural, desirable, strange, advisable, impossible+ that (should) do
4. Whether he is coming doesn’t matter much.
他来不来没什么要紧的
主语从句不用 if
5. It remains a secret how they climbed up the mountain.
他们是怎么登上山顶的仍是个秘密.
主语太长了!放到句尾
whether与if的辨用
It is known to us that he will come here.
常用句型如下：
（1） It + be + 形容词 + 主语从句 （2）It + be + 名词 + 主语从句 （3）It + 不及物动词 + 主语 从句 （4）It + 及物 动词的被动语态 +主语从句
It is a common knowledge that the earth moves around the sun.
用 it 句型翻译:
1. 据说今年学生将要学新教材.
It is said that the students will learn a new text this year.
2. 事实是他们靠自己完成了所有的任务. It is a fact that they finished all the work by themselves. 3.众所周知, 比尔 ·盖茨是世界上最富有的人.
That he will come and help us is certain. Whether we will succeed is still a question.
注意: 已确定的事由that引导; 没决定的事由whether引导.
3）注意事项：
1. 为了使句子结构平衡，避免头重脚轻，主语 从句常用“it”作形式主语，把真正的主语 放在后面。 主语从句后的谓语动词一般用单数形式。常 用句型如下：
表语从句
系动词后面
1. The truth is that he has never been to the countryside.
实际情况是他从未去过农村.
that 一般不省略
2. The question is whether we can finish the experiment by Friday. 问题在于我们能否在明天下午之前完成这项实验. 表语从句不用 if