емес

This is the negative form of the 3rd person singular of the auxiliary verb e- (to be). Kazakh expresses am/is/are not with емес + the personal ending:

Мен ”аза” емеспін. I am not a Kazakh.
Cен ”аза” емессі’. You are not a Kazakh.
Cіз ”аза” емесcіз. You are not a Kazakh.
Oл ”аза” емес. He/she is not a Kazakh
Bіз ”аза” емеспіз. We are not Kazakhs.
Cендер ”аза” емессі’дер. You are not Kazakhs.
Ciздер ”аза” емессіздер. You are not Kazakhs.
Oлар ”аза” емес. They are not Kazakhs.