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状语从句
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主将从现
- before.after.if.when.since.unless.until.as soon as
- if①是否(宾从)②如果(主将从现)
- when①当什么时(主将从现)②何时(宾从)
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定语从句
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that
- 既可指人又可指物
- 先行词是不定代词,有最高级,序数词修饰,the one时,只用that.
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who
- 指人
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which
- 指物,用于非限定性定语从句
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其他
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whom
- 作宾语,谁是
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whose
- 作宾语,谁的
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when
- 时间
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why
- 与reason
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which与where
- I like the house where I live (in).
- I like to live in the house which I live.
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宾语从句
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语序
- 陈述句的语序
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时态
- 主句过去时,从句过去时.(客观事实除外)
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疑问词
- that无实意,作宾语时可省略.
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if/whether
- whether....or not...
- if①是否(宾从)②如果(主将从现)
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一般疑问词
- who.what.when可同时为主语
- I/We think/find/believe+宾从(否定需前移)
- what to do/how to do it