2021年中考英语知识点：定语从句与同位语从句的区别

　　中考网整理了关于2021年中考英语知识点：定语从句与同位语从句的区别，希望对同学们有所帮助，仅供参考。

　　定语从句与同位语从句的区别

　　（1）定语从句修饰限定先行词，它与先行词是修饰关系；同位语从句说明先行词的具体内容，它与先行词是同位关系。

　　The plane that has just taken off is for Paris. （定语从句）刚刚起飞的那架飞机是开往巴黎的。The fact that he has already died is quite clear. （同位语从句）他已经去世了，这个事实很明了。

　　（2）定语从句由关系代词或关系副词引导，关系词在从句中担当相应的句子成分，关系代词在从句中作宾语时经常可省略。同位语从句主要由连词that 引导，在从句中一般不担当成分；有时也由where, when, how, who, whether, what 等连词引导，这些连词则在从句中担当成分。

　　The news that he told me is true.（定语从句）他告诉我的消息是真的。The news that he has just died is true.（同位语从句）他刚刚去世了，这个消息是真的。The problem that we are facing now is how we can collect so much money. (定语从句)我们现在面临的问题是如何筹集这么多资金。The problem how we can collect so much money is difficult to solve. （同位语从句）我们如何筹集这么多资金，这个问题很难解决。

　　（3）同位语从句与先行词一般可以用动词be发展成一个完整的句子, 而定语从句则不能。

　　The idea that he we could ask the teacher for advice is wonderful. （同位语从句）我们可以向老师请教，这个主意不错。The idea was that we could ask the teacher for advice.The fact that the earth moves around the sun is known to all.（同位语从句）地球围绕太阳转，这个事实人人皆知。The fact is that the earth moves around the sun.

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