If I were a boy与If I am a boy.的的区别,为什么I 后面可以用were?

If I were a boy与If I am a boy.的的区别,为什么I 后面可以用were? if i were a boy 为什么‘I’后面跟‘were’? If I am a boy 和 If I were a boy 有区别吗,可不可以互换?可以用在相同的地方吗 If I were a boy 的 翻译 if i were a boy的MV 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 If i were a boy 为什么用were啊 歌词“if i were a boy if i were a if i were a boy的英文歌词用中文标注 am的过去式是什么,为什么有if I were a boy. 为什么 if i were a boy 中的were 不用was? if i were a boy为什么是were.