THecrowdwaitedforabouttwohoursbeforethestarshowuponthestage这句话对吗时态对吗

Question

THe crowd waited for about two hours before the star show up on the stage
这句话对吗 时态对吗

Answer 1

主句时态应该用过去完成时,had waited；而从句应该用过去时.因为这是讲的过去发生的事情,“明星出现在舞台上”应该是过去发生的,用过去时；而“等待”的动作是发生在“出现”之前,用过去完成时：
The crowd had waited for about two hours before the star showed up on the stage.