How are you?

Kei te pehea koe? - How are you?
Kei te pehea korua? - How are you? (2 people)
Kei te pehea kotou? - How are you? (3+ people)

Kei te pai ahau. - I am good/well/fine.
Kei te pai maua. - We (us 2, but not you) are good/well/fine.
Kei te pai matou. - We (us 3+, but not you) are good/well/fine.

Kei te pehea ia? - How is he/she?
Kei te pehea raua? - How are they? (2 people)
Kei te pehea ratou? - How are they? (3+ people)

Kei te pai ia. - He/she is good.
Kei te pai raua. - They (2 people) are good.
Kei te pai ratou. - They (3+ people) are good.

Emotions

Pai - Good/well/fine

Pouri - Sad

Harika - Happy

Riri - Angry

Mauiu - Sick

Ora - Well

Ngenge - Tired

Hiakai - Hungry

Hiainu  - Thirsty