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