高中英语语法精之表语从句PPT课件
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run, fall 5. prove, turn out
.
6
例句：
1. 这个故事听起来像是真的。
The story sounds true.
2. 他似乎知道这件事。
He appears to know this.
3. 这些桔子很好吃。
These oranges taste good.
.
7
1. This is an English-Chinese dictionary. 2. The dinner smells good. 3. He fell in love. 4. My job is to teach you English. 5. The question is who will do it.
.
12
as if, as though 引导的表 语从句
as if/though引导的表语从句常置于连系动词look,
seem, sound, be, become等后面，常用虚拟语气， 表示不存在的动作或状态。
e.g. It sounds as if/though somebody was knocking at the door.
(与事实不符)
• Dark clouds are gathering. It looks as if it’s
going to rain.
.
14
引导词的用法（二）
because
because引导表语从句通常用于 “This/That/It is because…”结构中。而且 主语一般不用reason。
主语 谓语
宾语
（及物动词）
.
11
引导词的用法（一）
1.从属连词as, as if / though引导的表 语从句 He lookeFra Baidu bibliotek just as he had looked ten years before.
他看起来还与十年前一样。
It sounds as if someone is knocking at the door. 听起来好像有人在敲门。
（主语） + （系动词） + 引导词 + 简单句
What I want to say is that I am tired
主语 + 系动词 + 引导词 + 简单句
.
10
观察思考：
指出句子成分
Henry was an American businessman.
主语 连系动词
表语
Henry met an American businessman.
（表）
The question is who will do it.
（表）
表语从句
.
5
可接表语从句的系动词有：
1. be 2. feel, seem, look, appear, sound,
taste, smell 3. stand, lie, remain, keep, stay 4. become, get, grow, turn, go, come,
chemistry.
宾语从句
• The trouble is that he has never done表th语e w从or句k before.
The news that the plane would take off on time made
everybody happy. 同位语从句
.
2
在复合句中做表语的从句，叫做表 语从句。它位于主句的系动词am , is,
are, was, were, seem, look, taste, remain 等之后，对主语进行解释，说明，使主 语的内容具体化。
.
3
The question is who will do it.
表语从句放在连系动词 之后，充当复合句中的表语。
.
4
The question is difficult.
主语+连系动词（look /seem /appear…） +that/as if从句
.
13
•*as if/as though引导的表语从句如果是事 实，就用陈述语气，如果与事实不符，就 用虚拟语气(主句一般现在时，从句就用 一般过去时，be变成were。主句是一般
过去时，从句用过去完成时)。
• It looks as if he were her own father.
The Predicative Clause 表语从句
.
1
Definition
• 在复合句中起名词作用的从句叫做名词性从句。它包 括主语从句、宾语从句、表语从句和同位语从句。
• That the earth turns around the sun is known to all.
主语从句
• I want to know whether (if) he has passed the
My anger is because you haven’t written to me for a long time.
Why were you absent from the meeting ? Was it because you were ill?
你为什么不来出席座谈会？是病了么？
.
15
that, why 与 because 引导表语从句时的 区别
•He was ill. That’s why he was sent to the hospital. 他病了，所以被送到医院来。
•He was sent to the hospital. That’s because he was ill. 他被送到医院.，是因为他生病了。16
.
8
2. 表语从句的构成
主语 + 系动词 + 引导词 + 简单句
This is
why he did it.
表语从句放在连系动词之后，充当复
合句中的表语。
.
9
His suggestion is that we should stay calm. 引导词
That is why she was late. 引导词
•三者均可引导表语从句，但 that 没有词义， 而 why 和 because 有自己的意思；另外， 前者强调结果，后者强调原因。如：
•The reason was that you don’t trust her. 原因 是你不信任她。
•The fact is that they are angry with each other. 事实是他们生彼此的气。
.
6
例句：
1. 这个故事听起来像是真的。
The story sounds true.
2. 他似乎知道这件事。
He appears to know this.
3. 这些桔子很好吃。
These oranges taste good.
.
7
1. This is an English-Chinese dictionary. 2. The dinner smells good. 3. He fell in love. 4. My job is to teach you English. 5. The question is who will do it.
.
12
as if, as though 引导的表 语从句
as if/though引导的表语从句常置于连系动词look,
seem, sound, be, become等后面，常用虚拟语气， 表示不存在的动作或状态。
e.g. It sounds as if/though somebody was knocking at the door.
(与事实不符)
• Dark clouds are gathering. It looks as if it’s
going to rain.
.
14
引导词的用法（二）
because
because引导表语从句通常用于 “This/That/It is because…”结构中。而且 主语一般不用reason。
主语 谓语
宾语
（及物动词）
.
11
引导词的用法（一）
1.从属连词as, as if / though引导的表 语从句 He lookeFra Baidu bibliotek just as he had looked ten years before.
他看起来还与十年前一样。
It sounds as if someone is knocking at the door. 听起来好像有人在敲门。
（主语） + （系动词） + 引导词 + 简单句
What I want to say is that I am tired
主语 + 系动词 + 引导词 + 简单句
.
10
观察思考：
指出句子成分
Henry was an American businessman.
主语 连系动词
表语
Henry met an American businessman.
（表）
The question is who will do it.
（表）
表语从句
.
5
可接表语从句的系动词有：
1. be 2. feel, seem, look, appear, sound,
taste, smell 3. stand, lie, remain, keep, stay 4. become, get, grow, turn, go, come,
chemistry.
宾语从句
• The trouble is that he has never done表th语e w从or句k before.
The news that the plane would take off on time made
everybody happy. 同位语从句
.
2
在复合句中做表语的从句，叫做表 语从句。它位于主句的系动词am , is,
are, was, were, seem, look, taste, remain 等之后，对主语进行解释，说明，使主 语的内容具体化。
.
3
The question is who will do it.
表语从句放在连系动词 之后，充当复合句中的表语。
.
4
The question is difficult.
主语+连系动词（look /seem /appear…） +that/as if从句
.
13
•*as if/as though引导的表语从句如果是事 实，就用陈述语气，如果与事实不符，就 用虚拟语气(主句一般现在时，从句就用 一般过去时，be变成were。主句是一般
过去时，从句用过去完成时)。
• It looks as if he were her own father.
The Predicative Clause 表语从句
.
1
Definition
• 在复合句中起名词作用的从句叫做名词性从句。它包 括主语从句、宾语从句、表语从句和同位语从句。
• That the earth turns around the sun is known to all.
主语从句
• I want to know whether (if) he has passed the
My anger is because you haven’t written to me for a long time.
Why were you absent from the meeting ? Was it because you were ill?
你为什么不来出席座谈会？是病了么？
.
15
that, why 与 because 引导表语从句时的 区别
•He was ill. That’s why he was sent to the hospital. 他病了，所以被送到医院来。
•He was sent to the hospital. That’s because he was ill. 他被送到医院.，是因为他生病了。16
.
8
2. 表语从句的构成
主语 + 系动词 + 引导词 + 简单句
This is
why he did it.
表语从句放在连系动词之后，充当复
合句中的表语。
.
9
His suggestion is that we should stay calm. 引导词
That is why she was late. 引导词
•三者均可引导表语从句，但 that 没有词义， 而 why 和 because 有自己的意思；另外， 前者强调结果，后者强调原因。如：
•The reason was that you don’t trust her. 原因 是你不信任她。
•The fact is that they are angry with each other. 事实是他们生彼此的气。