虚拟语气选择题.I （）you some money,but I hadn't any on me then.

would have +done 是表示本来将可以但没有做到（虚拟语气）
may have lent 指的是过去不肯定的推测--沐舒坦must have lent 过去很肯定的推测
如：he was not at home.where was she?
i am not sure,he may have been to Hongkong.
3.would do 表示过去常做某事
去将来时
意愿做某事