は and が / を 私はけいこです (I am Keiko; Keiko is me) 私 が / を けいこです (The word ‘I’ means ‘Keiko’) が is sometimes used as ‘but’ A psychology professor from Ritsumeikan University in Kyoto conducted a study on the interchangeability of を and が in 2006.  ピアノ_ひける college students were split almost 50/50 on filling in the … Read more