*mpkduku unattested未見語料√ kdukukduku + mp-agent focus主事焦點future未來式distant遠將要低下頭（遠期）will lower the head (sometime later)root詞根√ kdukuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式mduku——*skdukuPRET過去式*kmnduku—*knduku*snkdukuFUT未來式*mpkdukuDIST遠*mkdukuIMMED近———IMP命令式kduku———