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