文档介绍：表语从句
例句：
We have lost his address. The trouble is it.
The trouble is that we have lost his address.
主语
连系动词
表语
表语从句
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表语从句
表语从句：在主句中用作表语的从句。
表语从句分类
由that 引导 ( 不能省略）
由关系代词、关系副词引导
由whether 引导（是否）
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表语从句: 由引导的表语从句
1. The baby refused to eat any food. The trouble is it.
The trouble is that the baby refused to eat any food.
2. We are too busy. The reason is it.
The reason is that we are too busy.
3. No one in the class speaks to him. The problem is it.
The problem is that no one in the class speaks to him.
4. The poor woman can’t afford the food. The trouble is it.
The trouble is that the poor woman can’t afford the food.
that
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表语从句: 由引导的表语从句
5. We should go to bed early and get up early. My advice is it.
My advice is that we should go to bed early and get up
early.
6. I will become a lawyer. My dream is it.
My dream is that I will become a lawyer.
7. I remember twenty new words every day. My plan is it.
My plan is that I remember twenty new words every day.
that
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关系代词、关系副词引导表语从句
关系代词： who whom whose which what
whoever whatever whichever 等
关系副词： when where why how 等
例句
How should they do it? The problem is it.
The problem is how they should do it.
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引导表语从句
把两句话合并成一句话
1. Who is ready to clean the windows in such a cold day.
The problem is it.
The problem is who is ready to clean the windows in
such a cold day.
2. Where does the manager live? The problem is it.
The problem is where the manager lives.
3. How many students want to eat out? The trouble is it.
The trouble is how many students want to eat out.
关系代词、关系副词
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引导表语从句
4. What will my mother buy as her daughter’s birthday present? Her anxiety （焦虑）is it.
Her anxiety is what my mother buy as her daughter’s
birthday present.
5. Why is he always late for school? My question is it.
My question is why he is always l