when did he say that he bought this car?是什么时态

问题描述:

when did he say that he bought this car?是什么时态

一般过去吧, 他什么时候说他买了这辆车

一般过去时,
前面用did,后面用动词原形say,从句里用过去式,和主句是保持一致的.