NĀ ʻANA: (REVIEW) NĀ MĀKA PAINU = The tense markers
Parts of speech
Look at (slide 4) in the link.
(Grammar Link) https://www.slideshare.net/malama777/na-maka-painu-1
KE PAINU NEI marks an action as happening now or at this time.
(Nā Kai ʻEwalu, Beginning Hawaiian Lessons)
Ke ʻai nei ʻo ia. = He is eating (now).
Ke ʻauʻau nei ʻo Lani. = Lani is bathing (now).
Ke hana nei nā mākaʻi. = The police officers are working (now).