don't I alert? don't you alert? doesn't she alert? don't we alert? don't you alert? don't they alert?
Presente continuo
am I not alerting? aren't you alerting? isn't she alerting? aren't we alerting? aren't you alerting? aren't they alerting?
Pretérito
didn't I alert? didn't you alert? didn't she alert? didn't we alert? didn't you alert? didn't they alert?
Pretérito continuo
wasn't I alerting? weren't you alerting? wasn't she alerting? weren't we alerting? weren't you alerting? weren't they alerting?
Presente perfecto
haven't I alerted? haven't you alerted? hasn't she alerted? haven't we alerted? haven't you alerted? haven't they alerted?
Presente perfecto continuo
haven't I been alerting? haven't you been alerting? hasn't she been alerting? haven't we been alerting? haven't you been alerting? haven't they been alerting?
Pluscuamperfecto
hadn't I alerted? hadn't you alerted? hadn't she alerted? hadn't we alerted? hadn't you alerted? hadn't they alerted?
Pluscuamperfecto continuo
hadn't I been alerting? hadn't you been alerting? hadn't she been alerting? hadn't we been alerting? hadn't you been alerting? hadn't they been alerting?
Futuro simple
won't I alert? won't you alert? won't she alert? won't we alert? won't you alert? won't they alert?
Futuro continuo
won't I be alerting? won't you be alerting? won't she be alerting? won't we be alerting? won't you be alerting? won't they be alerting?
Futuro perfecto
won't I have alerted? won't you have alerted? won't she have alerted? won't we have alerted? won't you have alerted? won't they have alerted?
Futuro perfecto contínuo
won't I have been alerting? won't you have been alerting? won't she have been alerting? won't we have been alerting? won't you have been alerting? won't they have been alerting?
Condicional
Presente
wouldn't I alert? wouldn't you alert? wouldn't she alert? wouldn't we alert? wouldn't you alert? wouldn't they alert?
Presente continuo
wouldn't I be alerting? wouldn't you be alerting? wouldn't she be alerting? wouldn't we be alerting? wouldn't you be alerting? wouldn't they be alerting?
Passado
wouldn't I have alerted? wouldn't you have alerted? wouldn't she have alerted? wouldn't we have alerted? wouldn't you have alerted? wouldn't they have alerted?
Passado continuo
wouldn't I have been alerting? wouldn't you have been alerting? wouldn't she have been alerting? wouldn't we have been alerting? wouldn't you have been alerting? wouldn't they have been alerting?