do I not preserve? do you not preserve? does she not preserve? do we not preserve? do you not preserve? do they not preserve?
Presente contínuo
am I not preserving? are you not preserving? is she not preserving? are we not preserving? are you not preserving? are they not preserving?
Pretérito
did I not preserve? did you not preserve? did she not preserve? did we not preserve? did you not preserve? did they not preserve?
Preterito contínuo
was I not preserving? were you not preserving? was she not preserving? were we not preserving? were you not preserving? were they not preserving?
Presente perfeito
have I not preserved? have you not preserved? has she not preserved? have we not preserved? have you not preserved? have they not preserved?
Presente perfeito contínuo
have I not been preserving? have you not been preserving? has she not been preserving? have we not been preserving? have you not been preserving? have they not been preserving?
Mais perfeito
had I not preserved? had you not preserved? had she not preserved? had we not preserved? had you not preserved? had they not preserved?
Contínuo mais perfeito
had I not been preserving? had you not been preserving? had she not been preserving? had we not been preserving? had you not been preserving? had they not been preserving?
Futuro
will I not preserve? will you not preserve? will she not preserve? will we not preserve? will you not preserve? will they not preserve?
Futuro contínuo
will I not be preserving? will you not be preserving? will she not be preserving? will we not be preserving? will you not be preserving? will they not be preserving?
futuro perfeito
will I not have preserved? will you not have preserved? will she not have preserved? will we not have preserved? will you not have preserved? will they not have preserved?
futuro perfeito contínuo
will I not have been preserving? will you not have been preserving? will she not have been preserving? will we not have been preserving? will you not have been preserving? will they not have been preserving?
Condicional
Presente
would I not preserve? would you not preserve? would she not preserve? would we not preserve? would you not preserve? would they not preserve?
Presente contínuo
would I not be preserving? would you not be preserving? would she not be preserving? would we not be preserving? would you not be preserving? would they not be preserving?
Passado
would I not have preserved? would you not have preserved? would she not have preserved? would we not have preserved? would you not have preserved? would they not have preserved?
Passado contínuo
would I not have been preserving? would you not have been preserving? would she not have been preserving? would we not have been preserving? would you not have been preserving? would they not have been preserving?