DO you know the person whose name is David?其中whose 引导定语从句,主句you 做主语,那do know 一起做谓语吗 还是怎样?很困惑

问题描述:

DO you know the person whose name is David?其中whose 引导定语从句,
主句you 做主语,那do know 一起做谓语吗 还是怎样?很困惑