英语语法 we don‘t understand the problem why·····why 引导的是定语从句?那可不可以在problem 后面加一个 that 再加why啊

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英语语法 we don‘t understand the problem why·····why 引导的是定语从句?那可不可以在problem 后面加一个 that 再加why啊
英语语法 we don‘t understand the problem why·····
why 引导的是定语从句?
那可不可以在problem 后面加一个 that 再加why啊

英语语法 we don‘t understand the problem why·····why 引导的是定语从句?那可不可以在problem 后面加一个 that 再加why啊
we don‘t understand the problem why·····
本句中why引导的是定语从句,表原因.
定语从句中的关系词一般可以分为两类：
1、关系代词：which,that指代物,who,whom,that指代人
2、关系副词：when（表时间）,why（表原因）,where（表地点）
（由上可见：关系词中不包括whether,所以它就不能引导定语从句）
那么何时用关系代词,何时用关系副词呢?
请注意把定语从句修饰的那个名词（即先行词）带到定语从句中去,看定语从句中是不是缺介词,缺则用关系副词；不缺,则用关系代词.一个定语从句只用一个关系词.由此可见,关系代词和关系副词不可能同时出现,所以您说的在problem 后面加一个 that 再加why的情况不成立.
举例说明：
1.That's the reason that he explained at the meeting.这就是他在会议上解释的那个原因.(explain sth"解释..." ,在that引导的定语从句中,先行词the reason,作explain的宾语,不缺介词,指代物,用that或which )
2.That's the reason why he was late for school yesterday.这就是他昨天迟到的原因.
（在why 引导的定语从句中,把先行词带进去是：he was late for school the reason yesterday.即昨天由于这个原因他迟到了.“由于...的原因”用英语表达是：for the reason,所以缺了介词for,表原因就用why）
明白了吗?欢迎追问!

不可以的

不可以，这是一个由why引导的定语从句，修饰先行词the problem，一个定语从句是只能有一个引导词的

why也可以引导定语从句，不能加that再加why,这样重复了！

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