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