*tnhedu unattested未見語料√ theduthedu + ⟨n⟩patient focus受事焦點preterite過去式全濕透過的；已把…全濕透what was bed soaked through; bed soaked through itroot詞根√ theduAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式mthedu*thdeanthdeunstheduPRET過去式*tmnhedu*tnhdean*tnhedu*sntheduFUT未來式*mptheduDIST遠*tthdean*tthdeun—IMP命令式——*thdei*thdani