as引导的定语从句（一）

一、as(代词)引导限制性定语从句

1、当先行词是“such/the same+名词”时，用as引导定语从句。即，such+n.+as(代词)，the same +n.+as(代词)。

例句（as指代such+n.，作主语/宾语/表语）

●We invited all such people as were likely to come.

（as在从句中作主语。as=all such people，即，All such people were likely to come.）

●I have never heard such stories as he tells. 我从未听说过他讲的这类故事。

（as在从句中作宾语。as=such stories，即，He tells such stories。）

●I’ve never seen such a fool as he is.

（as在从句中作表语。as= such a fool，即，He is such a fool.）。

例句（as指代the same +n.，作主语/宾语/表语）

●Is this the same mosquito as bit you just now？（as作主语。The same mosquito (=as) bit you.）

●This is the same knife as I lost yesterday.（as作宾语。I lost the same knife (=as) yesterday.）

●She is just the same person as she used to be.（as作表语。She used to be the same person (=as).）

2、as与that的区别。

①such…as(代词)引导定语从句，such…that(连词)引导结果状语从句。如，

●He is such a good boy as everyone likes.他是个人人都喜欢的好男孩。

（从句缺成分（缺宾语），因此as是代词（作成分））

●He is such a good boy that everyone likes him.他是个好男孩，以至于人人都喜欢他。

（从句不缺成分，因此that是连词（不作成分））

②the same…as(代词)…，表示两物相似；the same…that(代词)…,表示两物同一物。如，

●This is the same pen as I used yesterday.这是和我昨天用的一样的钢笔。

●This is the same pen that I used yesterday.这是我昨天用过的那支钢笔。

注意：the same …，可以与代词as/that连用，也可以与副词when/where等连用。如，

●This is the same place where we had the party that day.（where作状语）

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