1)I wish后面所跟的宾语从句中的虚拟语气表示某种不能实现的愿望。
I wish that I can fly like a bird.
2)I wish 后面跟动词不动式:
I wish to place an order right now.
3)I wish 后面跟宾语;
I wish him to make progress.
与现在愿望相反的假设从句用过去时，与过去愿望相反的假设用过去完成时，与将来愿望相反的假设用过去时。例如:I wish I had watched TV yesterday.
