*sntbenu unattested未見語料√ tbenutbenu + sn-instrumental focus工具焦點preterite過去式曾用來以土填補的what was used to fill in with earthroot詞根√ tbenuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式—tbneyantbneun*stbenuPRET過去式*tmnbenu*tnbneantnbenuⓝ*sntbenuFUT未來式*mptbenuDIST遠*mtbenuIMMED近*ttbnean*ttbneun—IMP命令式tbenu—tbnei*tbnani