故事背景:一个女孩中奖了，她先问男友是否爱她，如果男友回答是她才告诉男友中奖的事。 If he had known about the win I would never have known whether it was(就这里)me or the money he would(就这里) want to stay with. 这里的was和would是如何确定的？与虚拟语气是否有关联？