*snsdehu unattested未見語料√ sdehusdehu + sn-instrumental focus工具焦點preterite過去式曾用來保管的what was used to keep saferoot詞根√ sdehuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式smdehu——*ssdehuPRET過去式*smndehu—*sndehu*snsdehuFUT未來式*mpsdehuDIST遠*msdehuIMMED近———IMP命令式sdehu———