do I not alert? do you not alert? does she not alert? do we not alert? do you not alert? do they not alert?
Presente continuo
am I not alerting? are you not alerting? is she not alerting? are we not alerting? are you not alerting? are they not alerting?
Pretérito
did I not alert? did you not alert? did she not alert? did we not alert? did you not alert? did they not alert?
Pretérito continuo
was I not alerting? were you not alerting? was she not alerting? were we not alerting? were you not alerting? were they not alerting?
Presente perfecto
have I not alerted? have you not alerted? has she not alerted? have we not alerted? have you not alerted? have they not alerted?
Presente perfecto continuo
have I not been alerting? have you not been alerting? has she not been alerting? have we not been alerting? have you not been alerting? have they not been alerting?
Pluscuamperfecto
had I not alerted? had you not alerted? had she not alerted? had we not alerted? had you not alerted? had they not alerted?
Pluscuamperfecto continuo
had I not been alerting? had you not been alerting? had she not been alerting? had we not been alerting? had you not been alerting? had they not been alerting?
Futuro simple
will I not alert? will you not alert? will she not alert? will we not alert? will you not alert? will they not alert?
Futuro continuo
will I not be alerting? will you not be alerting? will she not be alerting? will we not be alerting? will you not be alerting? will they not be alerting?
Futuro perfecto
will I not have alerted? will you not have alerted? will she not have alerted? will we not have alerted? will you not have alerted? will they not have alerted?
Futuro perfecto contínuo
will I not have been alerting? will you not have been alerting? will she 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 she not alert? would we not alert? would you not alert? would they not alert?
Presente continuo
would I not be alerting? would you not be alerting? would she 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 she not have alerted? would we not have alerted? would you not have alerted? would they not have alerted?
Passado continuo
would I not have been alerting? would you not have been alerting? would she not have been alerting? would we not have been alerting? would you not have been alerting? would they not have been alerting?