over and over again用什么时态

现在时的时态。
over加时间的两个用法，分别表示过去时和现在时。over还可以表示状态、方式、原因、比较与过程。

扩展阅读：over sb's shoulder ... over the rainbow ... at over seven feet ... come over ... go over the waterfall ... over and overagain ... over and over i whisper ... occupation ... go over your budget ...