In the Present tense, the Habitual comes first, followed by the Negative: gatáagang-'ang-gang (eat-HAB-NEG-PRES) "never eats".
in the Reported Past, the order is reversed, with the Negative coming first and the Habitual coming second: gatáa-'ang-gaang-aa-n (eat-NEG-HAB-REP-PAST) "never used to eat".