As we had had a long walk through one of the markets of old Delhi.请帮我划分句子.

问题描述:

As we had had a long walk through one of the markets of old Delhi.请帮我划分句子.
这里的as可以放在句中么?
如果可以,怎么写?

as 连词,连接一个时间状语从句
主语 we
谓语 had had
宾语 a long walk
状语 through one of the markets of old Delhi这里的as可以放在句中么?如果可以,怎么写?