【解答】有人解释这是过去完成时,这是错的.
过去完成时：“had+过去分词”结构
He enjoyed himself at the party.他在晚会上玩得很开心.=
He had a good time at the party.=He had fun at the party.
=He had a great time at the party.=
He had a wonderful time at the party.
一般过去时：enjoy：enjoyed过去式,has/have：过去式had