*mkduku unattested未見語料√ kdukukduku + m-agent focus主事焦點future未來式immediate近即將低下頭（近期）about to lower the head; will lower the head (soon)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———