整个这里是宾语从句：
who the man that was being operated on was
其中that was being operated on 是定语从句 was 是助动词,构成过去进行时的被动语态
宾语从句的主干部分是：
who（表语） the man（主语） was （系动词）
请在客户端右上角评价点“满意”即可,怎么翻译他想知道那个正在接受手术的人是谁