Interpersonal Meaning in The Short Stories of Willem Iskander’s Si Bulus-Bulus Si Rumbuk-Rumbuk

This study was aimed at analyzing the mood and modality used in the short stories of Willem Iskander’s Si Bulus-Bulus Si Rumbuk-Rumbuk, elaborating and explaining the interpersonal meaning realized in each short story. This study was conducted by applying descriptive qualitative method. The source of data was taken from a book authored by Willem Iskander, entitled “Si Bulus-Bulus Si Rumbuk-Rumbuk”. The results of this research showed that : (1) there were 157 clauses in the short stories with three mood types and two degrees of modality, they are: 143 clauses of declarative moods, 12 clauses of imperative moods, 2 clauses of interrogative mood, 12 clauses of median degree modality, and 2 clauses of low degree modality. (2) interpersonal meaning is realized based on the order of the subject and the finite. (3) the reason why the interpersonal meaning realized in the way they are, is because the author wants to share his thoughts and experiences of Mandailingnese in that time that was found out by classifying each clauses and finding the dominant use of declarative mood as the most direct and soft way of conveying author’s thoughts.