be just doing sth 有这种用法吗
问题描述：
be just doing sth 有这种用法吗
His job is just walking around.
答
be just doing sth 固定搭配 是指正要做某事,将要做某事
和be about doing sth相当.
而你这句话属于巧合,要分清句子成分.主系表结构,walking around是动名词短语作表语.