ボールペン を 二に本ほん 買かいました。boorupen wo nihon kaimasita.(I) bought two ballpoint pens.Breakdown of boorupen wo nihon kaimasita.買かうkauto buyをwodirect object particle二にnitwoボールペンboorupenballpoint penElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese now