This is an analysis of the sentential syntax of Bahasa Indonesia from the theoretical perspective of Relational Grammar. Separate chapters deal with intransitive verbs and the Unaccusative Hypothesis, advancements to subject (passive), advancements to direct object, ke- -an adversatives and clause union, ascensions, and equi constructions. The syntactic functions of the affixes di-, meN-, -i, -kan, per- -an, peN- -an, and ke- -an are all addressed.