定语从句精讲及练习
一．定语从句：修饰名词或代词的从句叫定语从句。被修饰的名词或代词叫先行词。引导定语从句的有关系代词和关系副词.
关系代词有：who, whom, whose, that, which等。
关系副词有：when, where, why等。
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关系词
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先行词
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从句成分
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例句
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备注
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关系代词
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who
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人
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主，宾
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Do you know the man who is talking with your mother?
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whom, which和that 在从句中作宾语时可省略，但前面有介词时不能省略whom或 which, 也不能用that.
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whom
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人
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宾
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Mr. Smith is the person with whom I am working.
The boy (whom) she loved died in the war.
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whose
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人，物
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定
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I like the books whose topics are about history.
The boy whose father works abroad is my friend.
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that
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人，物
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主，宾
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A plane is a machine that can fly.
She is the pop star (that) I want to see very much.
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which
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人，物
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主，宾
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The book which I gave you was worth $10.
The picture which was about the accident was terrible.
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关系副词
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when
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时间
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时间状语
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I will never forget the day when we met there.
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可用 介词+ which
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