Wish you were here.
现在– did/were 过去– had done 将来– would do 虚拟的动词变化方法是将时态向前推延一个时态。
eg: I wish I _______ 10 years younger.(now) I wish it ________(be) sunny tomorrow. I wish I __________ (be) here yesterday.
were
would be
had been
Difficult sentences