snrui▶PW√ sneeruverb patient focus or locative focus imperative動詞·受事焦點或處所焦點·命令式學習（祈使）learn it! (imperative)same root同詞根√ sneeruAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式—snruwansrnuun—PRET過去式smneeru———FUT未來式————IMP命令式——snrui—sneerureciprocal相互mssneeru