When were you born?这个句子为什么不用When did you born?

When were you born?这个句子为什么不用When did you born? When were you born?可以等于When did you born? When were you born? ‘when you were born. ( ) 15.-When were you born? 1.When were you born? when did you born 和 when were you born 哪个用法是正确的 when were you born?为什么用born（过去分词）而不用bore（过去式） 为什么用were提问 when were you born=when is ( ) ( When were you born?为什么不是when were your born应该是你的生日啊? When were you born?和When was your daughter born?中,为什么一个用were when were you born?改为同义句