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