大耳朵英语语法定语从句（六)

     同学们啊，今天是定语从句的最后一次了，是其它的一些定语从句的注意事项，今天的语法完成以后我们的语法讲解也就接近尾声了。好吧，来进入今天的话题吧。
      以the way为先行词的定语从句通常由in which, that引导，而且通常可以省略。
　　The way in which/ that/./ he answered the question was surprising.
　　but有时也可以做关系词引导定语从句
　　There are very few but understand his idea。 ( but= who don’t )
　　 区分定语从句和同位语从句
　　1、定语从句修饰先行词，它和先行词是修饰关系；
　　同位语从句说明先行词的具体内容，是补充说明的关系
　　(1) The plane that has just taken off is for London. 定语从句
　　(2) The fact that he has been dead is clear. 同位语从句
　　2、定语从句由关系代词或者关系副词引导，关系词在句中充当成分，有时可以省略；
　　同位语从句主要由that引导，在句中一般不做成分；
　　句子也可以由when, where, how, why, whether, what等词引导，充当成分
　　(1) The news he told me is true.
　　(2) The news that he has just died is true.
　　(3) The problem that we are facing now is how we can collect so much money. 定语
　　(4) The problem how we can collect so much money is difficult to solve.
　　3、 同位语从句和先行词一般可以用be动词发展成一个完整的句子，而定语从句不可以发展成一个完整的句子，
　　(1) The idea that we could ask the teacher for advice is wonderful. 同位语
　　(2) The idea was that we could ask the teacher for advice.
　　(3) The fact that the moon moves around the earth is known to all.

　　(4) The fact is that the earth moves around the earth.

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