名词性从句--主语从句.ppt

名词性从句（一 ）
主语从句
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名词性从句
主语从句
宾语从句
同位语从句
表语从句
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主语从句
把两句话合并成一句话
1. Tom will win the tennis game.
It seems impossible.
That Tom will win the tennis game seems possible.
主语
连系动词
表语
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That Tom will win the tennis game seems possible.
连系动词
表语
主语从句
主句
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主语从句： 在主句中担当主语的是一个从句，这个从句就叫主语从句。
引导词： 从属连词：that, whether
关系代词：who, whom, what
which, whose
关系副词：when, where, why
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由that引导主语从句
例句： 把两句话合并成一句话
Light travels in straight lines.
It is known to all.
That light travels in straight lines is known to all.
2. We should wash our hands before meals.
It is necessary.
That we should wash our hands before meals
is necessary.
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由that引导主语从句
把两句话合并成一句话
3. Every student should have a study plan.
It is necessary.
That every student should have a study plan
is necessary.
4. Students say hello to their teachers.
It is polite.
That students say hello to their teachers.
is polite.
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由that引导主语从句
把两句话合并成一句话
5. Your mother didn’t attend the party yesterday.
It is a pity.
That your mother didn’t attend the party
yesterday is a pity.
6. Tom stole his classmate’s money.
It is a fact.
That Tom stole his classmate’s money is a fact.
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由that引导主语从句
把两句话合并成一句话
7. There will be rainy tomorrow.
It is possible.
That there will be rainy tomorrow is possible.
smoke.
It is wrong.
That teenagers smoke is wrong.
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由 whether （“是否”）引导的主语从句
Will he go abroad? It is not known.
Whether he will go abroad is not known.
2. Will it rain tomorrow? It is not known.
Whether it will rain tomorrow is not known.
3. Is he a policeman? It is not clear.
Whether he is a policeman is not clear.
the film star happy? It is not clear.
Whether the film star is happy is not clear.
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