the plane wasn't too badly damaged,but over the years,the crash was forgotten and the wreckremained undisturbed.里面的这一句the crash was forgotten,我想问,事故被遗忘,不是应该用forgot吗,用过去式就行了,这里为什么要用过去分词

问题描述:

the plane wasn't too badly damaged,but over the years,the crash was forgotten and the wreck
remained undisturbed.里面的这一句the crash was forgotten,我想问,事故被遗忘,不是应该用forgot吗,用过去式就行了,这里为什么要用过去分词

被动式是be动词加过去分词哦