go by的用法Time went by slowly.时光慢慢流逝 中went为什么不用go Time goes by

Time went by slowly.时光慢慢流逝.
对现实的虚拟,实际时间消逝的速度是一样的,不变的.所以用过去时态.
Time goes by quickly on vacation.假期的时光飞快
主语time是第三人称单数（它）,所以谓语动词用单数形式goes.