不对.
1.do 作为助动词后面一定要跟动词原形搭配.Do you ever HADsuch a pleasant time? HAD 不是原形.oqufen
2.（曾经）有过.（经历）吗?要用一般现在完成时.have(has)+过去分词
Have you ever had such a pleasant time.你有这么开心过吗?
例：Have you ever tried hotpot? 你以前吃过火锅吗?
Have you ever had a dog? 你养过狗吗?