▁the ▁demonstr atives ▁he ▁and ▁de .) ▁Pr on oun s ▁are ▁always ▁optional , ▁and ▁are ▁emphas is . ▁Sing ular ▁pron oun s ▁may ▁occur ▁as ▁either ▁the ▁subject ▁or ▁the ▁object , ▁but ▁the ▁pl ur als ▁are ▁always ▁subjects ▁( see ▁- d aha ). ▁▁ ▁In ▁free ▁variation ▁with ▁ind ▁and ▁int ▁before ▁/ h / ▁ ▁In ▁free ▁variation ▁with ▁ į xt ▁before ▁/ h / ▁ ▁Bil ox i ▁has ▁two ▁common ▁demonstr atives : ▁de ▁' this ' ▁and ▁he ▁' that '. ▁They ▁may ▁be ▁marked ▁for ▁pl ur ality ▁as ▁den ani ▁and ▁hen ani , ▁but ▁that ▁is ▁very ▁rare ▁since ▁they ▁are used ▁if ▁pl ur ality ▁is ▁un mark ed ▁elsewhere , ▁and ▁it ▁ ▁is ▁marked ▁on ▁the ▁verb ▁in ▁n oun ▁phr ases ▁with ▁classific atory ▁ver bs : ▁▁ ą ya ▁at ą h į ▁am ą ▁de ▁' th ese ▁running ▁men ' ▁ ▁Ver bs ▁▁ ▁Ver bs ▁inf lect ▁for ▁person ▁( 1 st , ▁ 2 nd , ▁ 3 rd ), ▁number ▁( sing ular ▁vs . ▁pl ural ), ▁and ▁mode ▁( many ▁possibilities , ▁including ▁some ▁less - well ▁understood ▁mode ▁markers ). ▁ ▁Mor ph emes ▁within ▁ver bs ▁have ▁the ▁following ▁order : ▁▁ ▁Very ▁occasionally ▁an ▁en cl it ic ▁will ▁proceed ▁- tu , ▁e . g . ▁su pi ▁ xt i ▁tu ▁' they ▁are ▁very ▁black '. ▁ ▁Ver bs ▁may ▁either