wish could have 什么语法

wish could have 什么语法 wish I could bring you back 这具有什么语法?虚拟?wish 特殊提前? I wish I could//would have 有什么区别 How I wish I could have such a kind of friend用了什么句型 wish you could understand什么意思? i wish i could have seen the ballet . I wish I could have saved him from agelessness. But I wish I could have stayed awake long enough happy CNY,wish you have a good job.wish i could find a girl Wish you have a nice National Day 语法对么? Wish you have a happy day!是什么意思?语法对吗? i wish i could have seen the ballet 里的could是不是代替了should/woul