i found the boy seated at the back of the hall alone 为什么用seated大神们帮帮忙

问题描述:

i found the boy seated at the back of the hall alone 为什么用seated大神们帮帮忙

这里的seated是过去分词形式的形容词,在此处作found的宾语补足语,表示“就坐”的状态.