*mpdrumuc unattested未見語料√ drumucdrumuc + mp-agent focus主事焦點future未來式distant遠將要勤勞（遠期）will hardworking (sometime later)root詞根√ drumucAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式mdrumuc——*sdrumucPRET過去式*dmnrumuc—*dnrumuc*sndrumucFUT未來式*mpdrumucDIST遠———derived stems衍生詞幹AF主事焦點LF處所焦點PF受事焦點IF工具焦點CAUS使動psdrumuc———