if i were a bird为什么用“were”而不是“was”?1+1=2确实是一个问题

英语翻译if i were a bird这个为什么用were呢,帮我讲一下, If i were a bird 英语作文 If I were a bird 中文 If I were a bird 作文 If I were a bird的英语语法问题?为什么用were 不用was?那如果我用was又是什么意思？ if i were a bird为什么用“were”而不是“was”?1+1=2确实是一个问题 If I were a bird 和If I am a bird 有什么区别? if i were a bird,i would fly to you 关于 if i were a bird 写一篇if i were a bird 的英语作文，帮下忙啊 省略if的虚拟语气if i were a bird可以省略成were i a bird吗 If i were a boy 为什么用were啊 If I were a boy中,为什么要用were? If i were a bird,i could fly high.Were i a bird,i could hardly fly high.意思一样吗? If I were a bird,I could fly in the sky. 这句怎么翻译?唔知! If I Were a Bird(如果我是鸟）写英语演讲 If I were a Bird有几个版本啊?有钢琴版的么? 为什么是If I were a bird?后面不是单数吗? 帮忙写一篇英语演讲稿叫if i were a bird~