在定语从句中什么时候连接词用what,什么时候用which,两者有何区别呢?那在名词性从句中又如何呢?

如题所述

"关系代词型的what"有时也可引导定语从句,如:I will give what help I can.(我将尽量给你帮忙)这里的"what"修饰名词"help".但这种情况很少出现。作为连接词,"what"引导定语从句.它跟"which"的区别就在于意思上的区别。如:I asked him what clothes(什么衣服) I should wear. Let me know which train(哪趟火车) you'll be arriving on.一个是什么样的,一个是哪一个。
在名词性定语从句中,"what"既可做主语,宾语,介词宾语,表语。"which"可做主语,宾语,介词宾语,既可代表前面的名词(先行词),又可把从句和它所修饰的词连接起来,还可在从句中也担任一个成分。其实最主要的还是从句子要表达的意义上区别运用。
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第1个回答  2011-04-18
首先,定语从句的连接词中没有what。当从句中缺主语或宾语,先行词又是物时,就用which。
eg: Children usually like reading books which have colorful pictures.(which在从句中做主语)
Do you like the book which I bought for you yesterday? (which在从句中做bought的宾语)

在名词性从句中,当从句缺主语或宾语,且表示物时,用what;当从句缺的位置表示“哪一个”时,就用which。
eg: I don't know what you mean.
I don't know which do you like? The red one or the green one?
第2个回答  2011-04-17
定语从句不用what引导,名词性从句用what引导
定语从句缺主语或宾语用which(先行词为物)
名词性从句缺主语或宾语用what本回答被网友采纳
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