do I alert? do you alert? does he alert? do we alert? do you alert? do they alert?
Presente contínuo
am I alerting? are you alerting? is he alerting? are we alerting? are you alerting? are they alerting?
Pretérito
did I alert? did you alert? did he alert? did we alert? did you alert? did they alert?
Preterito contínuo
was I alerting? were you alerting? was he alerting? were we alerting? were you alerting? were they alerting?
Presente perfeito
have I alerted? have you alerted? has he alerted? have we alerted? have you alerted? have they alerted?
Presente perfeito contínuo
have I been alerting? have you been alerting? has he been alerting? have we been alerting? have you been alerting? have they been alerting?
Mais perfeito
had I alerted? had you alerted? had he alerted? had we alerted? had you alerted? had they alerted?
Contínuo mais perfeito
had I been alerting? had you been alerting? had he been alerting? had we been alerting? had you been alerting? had they been alerting?
Futuro
will I alert? will you alert? will he alert? will we alert? will you alert? will they alert?
Futuro contínuo
will I be alerting? will you be alerting? will he be alerting? will we be alerting? will you be alerting? will they be alerting?
futuro perfeito
will I have alerted? will you have alerted? will he have alerted? will we have alerted? will you have alerted? will they have alerted?
futuro perfeito contínuo
will I have been alerting? will you have been alerting? will he have been alerting? will we have been alerting? will you have been alerting? will they have been alerting?
Condicional
Presente
would I alert? would you alert? would he alert? would we alert? would you alert? would they alert?
Presente contínuo
would I be alerting? would you be alerting? would he be alerting? would we be alerting? would you be alerting? would they be alerting?
Passado
would I have alerted? would you have alerted? would he have alerted? would we have alerted? would you have alerted? would they have alerted?
Passado contínuo
would I have been alerting? would you have been alerting? would he have been alerting? would we have been alerting? would you have been alerting? would they have been alerting?