英语语法是If I was a boy还是If I were a boy?

为什么 if i were a boy 中的were 不用was? "If I were a boy"or"If I was a boy"? 歌词“if i were a boy if i were a was的were用法?“If I were a boy”是病句吗?不用was? if i were a boy为什么是were. If I were a boy翻译 If I were a Boy Again 读后感 If I Were a Boy 歌词 If I were a boy!意思! If I Were A Boy 歌词谐音. If I were a boy 的 翻译 邓紫棋if i were a boy歌词