1.Wish you were here.(Page 21)
虚拟的动词变化方法是将时态向前推延一个时态。(对目前虚拟用过去时, be动词用were;对过去虚拟用过去完成时;对将来虚拟用过去将来时。)
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