虚拟语气
小强希望考试的时候我跟他在一起.、
xiao qian wishes I were with him in CET-4.
小强希望明天考试的时候我跟他在一起.
Xiiao qian wishes I would be with him in CET-4 tomorrow.
请问第一句为什么were不能改成would 为什么要用were.