did you have a good times on your holiday?

did you have a good "times" on your holiday?
hello ,you see, first ,there is a "a" before "good".so it is 单数.
然后呢,a good time 是固定搭配，记好哟

have a good time是固定短语，不能用times

假期玩得开心吗？

你假期玩的好吗？