i wish i ------(have) a brother or sister.用have的适当形式填空

填had ,这句话是虚拟语气,表示与现实相反的愿望.
I wish I had a brother or sister.
我希望有一个弟弟或妹妹.
I wish后接宾语从句时,谓语有三种可能：
1.表示与现在事实相反的愿望,用过去时：
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,用过去完成时：
How I wish I had seen her off at the station,but I was too busy.
我要是去车站送过她就好了,但我太忙了.
3.表示与将来事实相反的愿望,用could / would+ / might+动词原形：
I wish he would come at once.
我真希望他马上来.