The kindest friend I have is my dear mother.
Minseo's mom was the kindest person I ever knew = known.

========================================================================================

Hi Se Yun! <3 Very good job on your homework. ;) Your sentences were written very well. :)  I hope that you'll have a very amazing Tuesday. :D Have fun for the rest of the night. ;) See you tomorrow! Good night! ^^

~Teacher Lady ^.^~