分类：教育/科学-外语学习-英语考试
问题：急~~haveknown和know
-Really nice to have known you.I'm going to miss you.
-Don't forget to give me a ring,will you?
句中的to have known为何不能换成to know？我知道是完成时，但我们也有说nice to meet you之类的。麻烦解释详细点，谢谢！
回答：可以换成to know you.