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关于as的两个问题,1,as we know,The Great Wall is famous.这里的as we kno

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关于as的两个问题,
1,as we know,The Great Wall is famous.
这里的as we know的as引导了非限定定从,但是as we know在句中是不是是插入语?
2,we must save as much water as we can.
这里的as...as we can在句中是什么成分,是as引导的宾语从句吗?
关于as的两个问题,1,as we know,The Great Wall is famous.这里的as we kno
1.as充当关系代词,引导非限制性定语从句,从句可放在句首、句中和句末. 且as指代整个句子,它在从句中作主语、宾语或表语,是插入语2.as...as意为"和……一样",表示同级的比较.使用时要注意第一个as为副词,第二个as为...
再问: 第2个没太听懂 可以把句子变成we must save water as much as we can吗,如果可以,as much as we can在句中又是什么成分呢?谢谢解答!
再答: we must save water as much as we can是对的,只是英语中避免重复啰嗦,就省略了第二个save(原句we must save as much water as we can save) as much as是一个搭配,拆开来理解,第一个as是副词,修饰much, 第二个as是连词,引导we can(save)这个句子,且为状语从句