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