*mpthei unattested未見語料√ theithei + mp-agent focus主事焦點future未來式distant遠將要聽話（遠期）will obedient (sometime later)root詞根√ theiAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式*tmhei*thiyanthiyun*stheiPRET過去式*tmnheitnhiyan*tnhei*sntheiFUT未來式*mptheiDIST遠*mtheiIMMED近*tthiyan*tthiyun—IMP命令式thei—*thiyi—