*snberih unattested未見語料√ sberihsberih + ⟨n⟩patient focus受事焦點preterite過去式解開過的；已把…解開what was undoed; undoed itroot詞根√ sberihAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式smberihmsberih——*ssberihPRET過去式*smnberih—*snberih*snsberihFUT未來式*mpsberihDIST遠———