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why引导定语从句和why引导的同位语从句有何区别?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/26 03:40:19
why引导定语从句和why引导的同位语从句有何区别?
why引导定语从句,先行词只有一个,就是The reason
如:
The reason why he was late was that he got up late this morning.
而why引导同位语从句,一般只在have no idea之类的句式中出现.
如:
I have no idea why he was late.
其实,在这种句式中have no idea=don't know的意思.
所以,有些语法书上并不把这类从句算作同位语从句的.