wish引导的从句用虚拟语气,但有一点我不明白,详细如下.

wish 现在的虚拟did/were(was书里可以见到,这样用也对,但是严格意义上说我们一般用were)
将来的虚拟would do
过去的虚拟had done
例如: I wish I were a bird.(现在的虚拟)
Iwish he would try again.(将来的虚拟)
We wish we had paid more attention to our pronunciation. (过去的虚拟)