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如何区分定语从句和同位语从句


  关于如何区分定语从句和同位语从句的问题,小编在此为大家总结了几种简单、易行的方法,希望能够帮助到大家。
  操作方法
  01:
  句中含有that时,看that是否能省略。   定语从句中的that不仅起到连接词的作用,而且还充当句子的成分(主语、宾语等),往往可以省略。例如:The apples that your mom bought yesterday were delicious.(其中,that可以省略。)   在同位语从句中,that只起到连接词的作用,不充当句子成分,一般不能省略。例如:It is a fact that he has done his best.   02:
  that与先行词的关系。   定语从句中,that对先行词起到修饰、限定作用。例如:This is the dog that I"m looking for.   同位语从句中,that对先行词起到解释、补充说明的作用。例如:The news that he has died was true.   03:
  先行词不同。   定语从句中,先行词往往是具体的人或者事物。例如:The pen that Tom takes is blue.   同位语从句中,先行词往往是抽象性的名词。例如:The news that Tiny will come is true.   04:
  引导词不同。   定语从句中,当指代人时,可以用who或者which来引导,而同位语从句不可以。例如:The boy who is laughing is my brother.   同位语从句中,引导词可以用how,what,whether,而定语从句不能。例如:I have no idea whether he"ll come or not.   05:
  同位语从句中,从句可以转换为同位名词的表语,而定语从句不可以。例如:The fact can"t be accepted by his parents that Tom is lost.
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