①位置的不同:
which 引导的定语从句只置于所限制的 句子后;as 位置较灵活,也就是说as可置于所限制的句子前面;插在句子中或放在句子后。如:
1. He was late again, which made his teacher very angry.
2. Jack, as you know, is an honest man. 或Jack is an honest man , as you know.
或As you know, Jack is an honest man.
②先行词的不同:
as引导非限制性定语从句时,其先行词多为一个句子;
which引导非限制性定语从句时,其先行词可以是一个词,一个短语或一个句子。
※He was proud, which his brother never was. (先行词是一个词)
She was very patient towards the children, which her husband seldom was.
He was proud, which I dislike very much.(先行词是一个句子)
※He is an honest man, as is known to all.
He was a foreigner, as I know from his accent.
③as 一般译为正如就像,这一点
as we all know;as you know; as is known to all; as you see; as we can see; as has been expected; as we have imagined.
●that which:
在定语从句中,which 和that 在指代事物时,一般可以互换使用,但并非在任何情况下都是这样,这里介绍宜用that, 而不宜用which 的情况.
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2016-02-29
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