表语从句详解.doc
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Right: It looked as if he had understood this question.
C.不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致.
Right: The question is who will travel with me to Beijing tomorrow.
问题是我们哪一个应该去.
The problem was who could do the work.
问题是谁能做这项工作.
That's what he is worrying about.
那就是他在担心的事.That's what we should do.
那是我们应该做的.
由关系副词引导的表语从句.
我们不
能理解越来越少的学生对他的课不感兴趣.
由关系代词引导的表语从句.
关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever
等引导表语从句，在句中作
主语、宾语、表语，关系代词不能省略
.例如：The question is which of us should go.
(as if
例外）.引导宾语从句时可以互换
if/whether
位于介词后要用
whether
位于句首时要用whether.引导表语从句，主语从句，同位语从句时要用whether.
False: The question is if the enemy is marching towards us.
Right: The question is whether the enemy is marching towards us.
由)等.表语从句对主句主语进行说明、解释，使主语的内容具体化
.例如：
The trouble is (that) she has lost his money.
麻烦的事是他丢了钱.
The question is whether we need more ice cream.
问题是我们是否还需要一些冰淇淋.
那就是他所担心的
.
由连词
because，as if/as though
等引导的表语从句
.
It looked as if it was going to snow.
看起来好像要下雪了
.
That's because we never thought of it.
这是因为我们从未想过此事
.
It seems as if he didn’t know the answer.好像他不知道答案.
关系副词when, where, how, why除在句子起连接作用外，在从句中还充当时间，地点，方式或原因状语，本身具有
词义.例如：
Go and get your coat. It's where you left it.
去把雨衣拿来
.就在你原来放的地方
.
I had neither a raincoat nor an umbrella. That
,sound,
taste
, smell
3.
stand
, lie
,
remain
,keep,
stay
4.
become
,get
,
grow ,
turn
,go ,come,
run,
fall
5.
prove,
turn
out
The trouble is that we are short of money.
困难是我们资金短缺.
等.
由从属连词that，whether引导的表语从句.
that在引导表语从句时无词义，而
whether有词义，意为、是否
.这时主句的主语常常是些抽象名词，如
question(问
题)，trouble(麻烦)，problem(
问题)，result(
结果)，chance(可能性)，suggestion(
建议)，idea(想法)，reason(理
一、概念
表语从句是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
+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.
可以接表语从句的系动词有：
（being,been,am,is,are,was,were)
2.
feel ,
seem
,Hale Waihona Puke Baidu
look,
appear
The problem was that it was too valuable for everyday use.
问题是它作为日常之用太贵重了.
What she couldn’t understand was that fewer and fewer students showed interest in her lessons.
That is why stone walls are used instead of fences around New England fields.
这就是为什么在新英格兰用石
头墙而不用栅栏的原因.
At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当
的字眼来.
引导表语从句的词：
从属连词that、whether、as though
、as if
（That引导表语从句时，在口语中，间或可以省略
.）
关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever
等；
关系副词when, where, why, how, however, whenever, wherever
’s why I got wet through.
我们既没伞也没雨衣，这是我们
淋湿的原因
.
That is how mice ruin many stores of grain every year.
那就是老鼠是怎样每年损害大量粮食的
.
That is what he is worried about.
注意
A.表语从句一定要用陈述语序.
False: The question is when can he arrive at the hotel.
the hotel.
Right: The question is when he can arrive at
B.不可以用
if
，而用
whether
连接表语从句
C.不像宾语从句，在有表语从句的复合句中，主句时态和从句时态可以不一致.
Right: The question is who will travel with me to Beijing tomorrow.
问题是我们哪一个应该去.
The problem was who could do the work.
问题是谁能做这项工作.
That's what he is worrying about.
那就是他在担心的事.That's what we should do.
那是我们应该做的.
由关系副词引导的表语从句.
我们不
能理解越来越少的学生对他的课不感兴趣.
由关系代词引导的表语从句.
关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever
等引导表语从句，在句中作
主语、宾语、表语，关系代词不能省略
.例如：The question is which of us should go.
(as if
例外）.引导宾语从句时可以互换
if/whether
位于介词后要用
whether
位于句首时要用whether.引导表语从句，主语从句，同位语从句时要用whether.
False: The question is if the enemy is marching towards us.
Right: The question is whether the enemy is marching towards us.
由)等.表语从句对主句主语进行说明、解释，使主语的内容具体化
.例如：
The trouble is (that) she has lost his money.
麻烦的事是他丢了钱.
The question is whether we need more ice cream.
问题是我们是否还需要一些冰淇淋.
那就是他所担心的
.
由连词
because，as if/as though
等引导的表语从句
.
It looked as if it was going to snow.
看起来好像要下雪了
.
That's because we never thought of it.
这是因为我们从未想过此事
.
It seems as if he didn’t know the answer.好像他不知道答案.
关系副词when, where, how, why除在句子起连接作用外，在从句中还充当时间，地点，方式或原因状语，本身具有
词义.例如：
Go and get your coat. It's where you left it.
去把雨衣拿来
.就在你原来放的地方
.
I had neither a raincoat nor an umbrella. That
,sound,
taste
, smell
3.
stand
, lie
,
remain
,keep,
stay
4.
become
,get
,
grow ,
turn
,go ,come,
run,
fall
5.
prove,
turn
out
The trouble is that we are short of money.
困难是我们资金短缺.
等.
由从属连词that，whether引导的表语从句.
that在引导表语从句时无词义，而
whether有词义，意为、是否
.这时主句的主语常常是些抽象名词，如
question(问
题)，trouble(麻烦)，problem(
问题)，result(
结果)，chance(可能性)，suggestion(
建议)，idea(想法)，reason(理
一、概念
表语从句是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
+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.
可以接表语从句的系动词有：
（being,been,am,is,are,was,were)
2.
feel ,
seem
,Hale Waihona Puke Baidu
look,
appear
The problem was that it was too valuable for everyday use.
问题是它作为日常之用太贵重了.
What she couldn’t understand was that fewer and fewer students showed interest in her lessons.
That is why stone walls are used instead of fences around New England fields.
这就是为什么在新英格兰用石
头墙而不用栅栏的原因.
At that time, it seemed as if I couldn't think of the right word anyhow.当时,我似乎怎么也想不出一个恰当
的字眼来.
引导表语从句的词：
从属连词that、whether、as though
、as if
（That引导表语从句时，在口语中，间或可以省略
.）
关系代词who, what, which, whom, whose, whatever, whoever, whomever, whichever
等；
关系副词when, where, why, how, however, whenever, wherever
’s why I got wet through.
我们既没伞也没雨衣，这是我们
淋湿的原因
.
That is how mice ruin many stores of grain every year.
那就是老鼠是怎样每年损害大量粮食的
.
That is what he is worried about.
注意
A.表语从句一定要用陈述语序.
False: The question is when can he arrive at the hotel.
the hotel.
Right: The question is when he can arrive at
B.不可以用
if
，而用
whether
连接表语从句