wish后虚拟语气的用法
（1）表示与现在事实相反的愿望。
I wish I were a teacher.我要是一位老师就好了。
I wish I remembered her address.我要是记得她的地址就好了。
（2）表示与过去事实相反的愿望。
She wished she had stayed at home.她后悔的是她当时要是留在家里就好了。
How I wish I had seen her off at the station，but I was too busy.
我要是去车站送她就好了，但我太忙了。
（3）表示与将来事实相反的愿望。
I wish he would come at once.我真希望他马上来。
I wish I could be of some use.我希望我能有什么用处。
I wish he might stay with me.我希望他和我住在一起。