do I not serve? do you not serve? does she not serve? do we not serve? do you not serve? do they not serve?
Presente continuo
am I not serving? are you not serving? is she not serving? are we not serving? are you not serving? are they not serving?
Pretérito
did I not serve? did you not serve? did she not serve? did we not serve? did you not serve? did they not serve?
Pretérito continuo
was I not serving? were you not serving? was she not serving? were we not serving? were you not serving? were they not serving?
Presente perfecto
have I not served? have you not served? has she not served? have we not served? have you not served? have they not served?
Presente perfecto continuo
have I not been serving? have you not been serving? has she not been serving? have we not been serving? have you not been serving? have they not been serving?
Pluscuamperfecto
had I not served? had you not served? had she not served? had we not served? had you not served? had they not served?
Pluscuamperfecto continuo
had I not been serving? had you not been serving? had she not been serving? had we not been serving? had you not been serving? had they not been serving?
Futuro simple
will I not serve? will you not serve? will she not serve? will we not serve? will you not serve? will they not serve?
Futuro continuo
will I not be serving? will you not be serving? will she not be serving? will we not be serving? will you not be serving? will they not be serving?
Futuro perfecto
will I not have served? will you not have served? will she not have served? will we not have served? will you not have served? will they not have served?
Futuro perfecto contínuo
will I not have been serving? will you not have been serving? will she not have been serving? will we not have been serving? will you not have been serving? will they not have been serving?
Condicional
Presente
would I not serve? would you not serve? would she not serve? would we not serve? would you not serve? would they not serve?
Presente continuo
would I not be serving? would you not be serving? would she not be serving? would we not be serving? would you not be serving? would they not be serving?
Passado
would I not have served? would you not have served? would she not have served? would we not have served? would you not have served? would they not have served?
Passado continuo
would I not have been serving? would you not have been serving? would she not have been serving? would we not have been serving? would you not have been serving? would they not have been serving?