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春芽
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定语从句的关联词基本与三种名词性从句的关联词相同,what只能引导名词性从句,即(主语从句、表语从句和宾语从句)合称为名词性从句.如;What made him come is a question.Do you know what he is doing?定语从句需位于被修饰的名或代词之后,如;I know the man who is standing there.宾语从句则直接承受主句的谓语行为,如,I know who is standing there.注意,这也是为什么主格who经常可以换用宾格whom的原因,但介词之后的whom不可换用who,因为介词有及物的动态理念!when,where本身只是疑问时间和地点的副词用作从句关联词,因此只能在从句中用作与其本身作用相应的从句成分,如;Do you know where he is from?do you know when he came?When he came,I had finished my work.
1年前
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