*tnhmuku unattested未見語料√ thmukuthmuku + ⟨n⟩patient focus受事焦點preterite過去式低下頭過的；已把…低下頭what was bowed the head; bowed the head itroot詞根√ thmukuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式thmuku——*sthmukuPRET過去式*tmnhmuku—*tnhmuku*snthmukuFUT未來式*mpthmukuDIST遠*mthmukuIMMED近———IMP命令式thmuku———