*nnbuyas unattested未見語料√ nbuyasnbuyas + ⟨n⟩patient focus受事焦點preterite過去式肚子過的；已把…肚子what was bellied; bellied itroot詞根√ nbuyasAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式*nmbuyas——snbuyasPRET過去式*nmnbuyas—*nnbuyas*snnbuyasFUT未來式*mpnbuyasDIST遠*mnbuyasIMMED近———