Ehara ia i te nēhi.She is not a nurse.Negations of identity sentences - ehara...
Mai i tōku tamarikitanga pīrangi ai ahau ki te mahi nēhi.Since childhood I have always wanted to be a nurse.Habitual action - ai
Mai i tōku tamarikitanga pīrangi ai au ki te mahi hei nēhi.Since childhood I have always wanted to work as a nurse.Habitual action - ai
He nēhi ia.She is a nurse.Categorizing sentences - he
Ka hei au hei nēhi.I will be a nurse.Future categorising sentences - hei
E kore au hei nēhi.I will not be a nurse.Negating future categorising sentences - hei
He nēhi ia.He/she is a nurse.
He nēhi tātou.They are nurses.