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