It seems that he failed the exam这句话对吗

问题描述:

It seems that he failed the exam这句话对吗

不对,后面说failed the exam是过去时,而前面又是一般现在时,很显然矛盾了,像这样的过去式应该主句从句都是过去时.我觉得应该是 it seemed that he faid the exam.