I saw the boys who were playing football yesterday who were playing football yesterday 是不是修饰boys 因为我看见了昨天踢足球的学生 但yesterday可以一起修饰boys吗
问题描述：
I saw the boys who were playing football yesterday who were playing football yesterday 是不是修饰
boys 因为我看见了昨天踢足球的学生 但yesterday可以一起修饰boys吗
答
who were playing football yesterday 为定语从句作定语修饰 the boys