I found the girl ___(walk) to school every day.答案是walked.为什么呢?不是every

问题描述:

I found the girl ___(walk) to school every day.答案是walked.为什么呢?不是every
为什么不可以是walk?求详解,

found 是find的过去式,所以事态已经是过去时.
walk也要用walked