it upset him that nobody had told him about it为什么从句不用过去式

it upset him that nobody had told him about it为什么从句不用过去式
it upset him that nobody had told him about it为什么从句不用过去式

it upset him that nobody had told him about it为什么从句不用过去式
it upset him说明使他沮丧的事情已经发生过了.
因为upset没有加s,说明是过去式.所以那件事发生在过去的过去
对于这种在句子里有明确时间顺去的,我们要用过去完成时太
还有问题追问哦亲~