*mpstuku unattested未見語料√ stukustuku + mp-agent focus主事焦點future未來式distant遠將要賺取（遠期）will earn (sometime later)root詞根√ stukuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式smtuku——*sstukuPRET過去式sntuku——*snstukuFUT未來式*mpstukuDIST遠———IMP命令式stuku———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REC相互mstuku———