If I were a boy中,为什么要用were不用was?

If I were a boy中,为什么要用were? if i were a boy 为什么‘I’后面跟‘were’? If i were a boy 为什么用were啊 为什么 if i were a boy 中的were 不用was? if i were a 为什么if i were a boy?应该是 i was为什么是were If I were a boy中,为什么要用were不用was? 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? 求If I Were A Boy歌词中英对译 求If I Were A Boy中英对译 《if i were a boy》中英歌词 If I Were A Boy歌词 If I Were a Boy 歌词 If I Were A Boy 中文歌词 邓紫棋if i were a boy第几 If I Were A Boy 歌词谐音. 歌曲If i were a boy翻译 If I were a boy翻译 If I were a boy 的 翻译