Ross reconstructed three pronoun paradigms for proto-South Bougainville, free forms plus agentive and patientive (see morphosyntactic alignment) affixes:
I
we
you
s/he, they
free
*ni(ŋ)
*nee DL *ni PL
*da SG *dee DL *dai PL
*ba SG *bee DL *bai PL
patientive
*-m
*-d
*-b
agentive
*a
*o
*i or *e
*u
SG: singular; DL: dual; PL: plural
Lexicon
A detailed historical-comparative study of South Bougainville has been carried out by Evans (2009).[2] Reconstructed Proto-South Bougainville lexicon from Evans (2009):
^Evans, Bethwyn. 2009. Beyond pronouns: further evidence for South Bougainville. In Bethwyn Evans (ed.), Discovering history through language: Papers in honour of Malcolm Ross, 73-101. Canberra: Research School of Pacific and Asian Studies, Australian National University.
^ abStebbins, Tonya; Evans, Bethwyn; Terrill, Angela (2018). "The Papuan languages of Island Melanesia". In Palmer, Bill (ed.). The Languages and Linguistics of the New Guinea Area: A Comprehensive Guide. The World of Linguistics. Vol. 4. Berlin: De Gruyter Mouton. pp. 775–894. ISBN978-3-11-028642-7.
Structural Phylogenetics and the Reconstruction of Ancient Language History. Michael Dunn, Angela Terrill, Ger Reesink, Robert A. Foley, Stephen C. Levinson. Science magazine, 23 Sept. 2005, vol. 309, p 2072.
Malcolm Ross (2005). "Pronouns as a preliminary diagnostic for grouping Papuan languages." In: Andrew Pawley, Robert Attenborough, Robin Hide and Jack Golson, eds, Papuan pasts: cultural, linguistic and biological histories of Papuan-speaking peoples, 15-66. Canberra: Pacific Linguistics.