Ehara tenei i te whare, this is not a house. See [§ 16] (b).
Ehara tana i te pukapuka pai, his is not a good book.
Of those in class 2, [§ 33], when the preposition is na, or no, the negative is made with ehara ... i, and the preposition dropped.
Example.
Ehara i a ia te potae mangu, the black hat is not his.
When the preposition is ma or mo signifying for, use ehara i te mea, retaining the preposition.
Ehara i te mea mau te pukapuka, the book is not for you.
When the preposition is hei signifying at, or in possession of, use kauaka.
Examples.