在書上看到as 作為準關代用法

She is as great a swimmer as has ever lived.

另一種是亦可作以主要子句為先行詞的關係代名詞

I took care of the chores, as was my responsibility.


那請問以下用法怎麼解釋？？？

1.The soldiers marched up the hill at dawn as commanded.
士兵依照命令在清晨行軍，步行上山丘。

2.Judy also faithfully wrote to her benefactor as promised, telling him all th
e details of her experiences in college.

就好像常見到的

As expected, ...........

As guaranteed,.........

該怎麼還原語法><



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