On-line Te Reo Māori Dictionary

Kaua e hoatu te māripi ki a Taika.
=Don't give the knife to Taika.
Negative active commands - Don't! - Kaua e..., kāti...

I tīkina te māripi e ia, kātahi ka tapahi ia i te pāua.
He fetched the knife, then he chopped the pāua.
Passive sentences - tikina...

I hoatu ahau i te māripi ki tana hoa mā Hone.
I gave the knife to John's friend for John.