*mppsrobo unattested未見語料√ psrobopsrobo + mp-agent focus主事焦點future未來式distant遠將要結網（遠期）will knot a net (sometime later)root詞根√ psroboAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式*pmsrobo——smroboPRET過去式*pmnsrobo—*pnsrobo*snpsroboFUT未來式*mppsroboDIST遠*mpsroboIMMED近———IMP命令式psrobo———