*snrqeraq unattested未見語料√ rqeraqrqeraq + sn-instrumental focus工具焦點preterite過去式曾用來使倒下的what was used to knock downroot詞根√ rqeraqAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式mrqeraqtqraqan—*srqeraqPRET過去式*rmnqeraq—*rnqeraq*snrqeraqFUT未來式*mprqeraqDIST遠———IMP命令式rqeraq———derived stems衍生詞幹AF主事焦點LF處所焦點PF受事焦點IF工具焦點CAUS使動ptqeraq———