I wish you were there 为什么用ARE的过去式

I wish you were there 为什么用ARE的过去式 为什么I wish I were you用were呢? I wish you were i wish you were a fish in my dish 为什么用were? was不是is和am的过去式吗?were不是are的过去式吗?为什么可以用if i were a boy?而不用if i I wish that you were there .I wish that we could spend the t 歌词sometimes i wish i were an angle为什么这里用的是were不是was. I wish you were here HOW late were you were为什么用过去式? I wish you were here、的中文意思? 翻译：how i wish i had known you were there,too y esterday!时态有点 am的过去式是was,为什么当表示虚拟语气,我希望我是一只鸟时,要用I wish i were a bird,而不用wa