答:those who...结构是含有关系代词who引导的定语从句的复合句句型。关系代词who引导的定语从句用作后置定语修饰的是先行代词those.此时,定语从句的谓语动词应该采用复数形式。例如:
1.Those who violate traffic regulations should be punished. 违反交通规定的人应该受处罚。
2.Those who could not write signed with a cross. 不会写字的人画十字代替签名。
3.Thanks are due to all those who worked so hard for so many months.
感谢这么多月来辛勤工作的每一个人。