brian toid you that there wasn't anyone in the room at that time,________?

问题描述:

brian toid you that there wasn't anyone in the room at that time,________?
怎么不用don't he 为什么不是否定后移

“Brian told”人称为第三人称,后面的疑问句与主句相一致,且主句的时态是过去时等等,疑问句应和主句的人称时态保持一致.