If today were the last day.那句话中为什么用were,而不用was.求高人指点

If today were the last day.那句话中为什么用were,而不用was.求高人指点 If today was your last day 这句歌词,不是虚拟语气么...为什么不用were. Susan is walking slowly as if she were tired问:为什么用were而不用was 英语翻译那为什么用were不用was? If I were a boy中,为什么要用were不用was? how was their holiday 为什么用was而不用were 为什么If only I were abird.中的were不用was 为什么 if i were a boy 中的were 不用was? If today were the last day of my life,would I want to do wha 英语句子分析 If today were the last day of my life ,would I want t 下面这句话为什么用were packed with,而不用was packed with? 为什么用he were而不用he was?