am 和 have 都是动词,而一个不存在连词的主句只能有一个动词。因此是错的。
这句话可以用过去时或是完成时翻译。
I had a good time...
I've had a good time...
I had a wonderful time at school.
因为时间已经度过,所以要用过去式。
I have spent a happy times within school。
百度搜索在线翻译。
I had a good time!
i had a good time in school