▁  ▁ ▁w es nit ▁→ ▁  w es nit ▁– an ▁→ ▁‘ mut ant ’ ▁ ▁When ▁the ▁root ▁word ▁ends ▁in ▁all ▁other ▁con son ants , ▁the ▁erg ative ▁suffix ▁changes ▁to ▁“ - ɨ n ”. ▁This ▁suggests ▁that ▁the ▁two ▁all omorph s ▁of ▁the ▁erg ative ▁rely ▁heavily ▁on ▁the ▁ending ▁of ▁the ▁root ▁word , ▁specifically ▁the ▁type ▁of ▁con son ant ▁or ▁v owel ▁being ▁used ▁to ▁apply ▁the ▁appropriate ▁suffix . ▁This ▁is ▁demonstrated ▁in ▁example ▁three . ▁ ▁Example ▁ 3 : ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁  ▁ ▁M ats és ▁- ɨ n ▁kam un ▁- ∅ ▁pe - ▁- emen ▁ ▁Mat is ▁- erg . ▁j agu ar ▁- abs . ▁eat ▁- neg . n . pas . ▁ ▁“ The ▁Mat is ▁do ▁not ▁eat ▁j agu ar .” ▁ ▁Ver bs ▁ ▁Ver bs ▁in ▁Mat is ▁fall ▁under ▁two ▁t enses : ▁time ▁which ▁has ▁not ▁yet ▁passed ▁and ▁time ▁that ▁has ▁passed . ▁This ▁second ▁category ▁can ▁be ▁broken ▁up ▁into ▁sub categories ▁which ▁detail ▁more ▁precisely ▁how ▁much ▁time ▁has ▁passed . ▁To ▁distinguish ▁how ▁much ▁time ▁has ▁passed , ▁Mat is ▁uses ▁words ▁such ▁as ▁ne bi ▁( now ), ▁u xt ok in ▁( y esterday ) ▁and ▁in den ▁( long ▁time ▁ago / ▁back ▁in ▁the ▁day ). ▁ ▁Case ▁and ▁Ag re ement ▁ ▁Mat is ▁is ▁an