*tnduwa unattested未見語料√ tduwatduwa + ⟨n⟩patient focus受事焦點preterite過去式正確過的；已把…正確what was corrected; corrected itroot詞根√ tduwaAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式mtduwa——*stduwaPRET過去式*tmnduwa—*tnduwa*sntduwaFUT未來式*mptduwaDIST遠———