On-line Te Reo Māori Dictionary

Kei te tahitahi a Koa i te whare.
Koa is sweeping the house.
Simple sentences: present tense with a verb - kei te

Kei te tahitahi a Aroha i te papa.
Aroha is sweeping the floor.
Simple sentences: present tense with a verb - kei te

Ki a wai te tahitahi i te mahau?
Who is going to sweep the verandah
Who is going to... - Ki a wai te...?

Ki a koe te tahitahi i te mahau.
You sweep the verandah.
Who is going to... - Ki a wai te...?

Kāore au e rata ki te tahitahi papa, he hōhā.
I don't like sweeping the floor, it's annoying.
To like - rata

Nā Ari i tahitahi te papa.
It was Ari who swept the floor.
Past agent emphatic - nā - agent emphatic

I tahitahi ngā tamariki i te papa.
The children swept the floor.