don't I sign? don't you sign? doesn't she sign? don't we sign? don't you sign? don't they sign?
Presente contínuo
am I not signing? aren't you signing? isn't she signing? aren't we signing? aren't you signing? aren't they signing?
Pretérito
didn't I sign? didn't you sign? didn't she sign? didn't we sign? didn't you sign? didn't they sign?
Preterito contínuo
wasn't I signing? weren't you signing? wasn't she signing? weren't we signing? weren't you signing? weren't they signing?
Presente perfeito
haven't I signed? haven't you signed? hasn't she signed? haven't we signed? haven't you signed? haven't they signed?
Presente perfeito contínuo
haven't I been signing? haven't you been signing? hasn't she been signing? haven't we been signing? haven't you been signing? haven't they been signing?
Mais perfeito
hadn't I signed? hadn't you signed? hadn't she signed? hadn't we signed? hadn't you signed? hadn't they signed?
Contínuo mais perfeito
hadn't I been signing? hadn't you been signing? hadn't she been signing? hadn't we been signing? hadn't you been signing? hadn't they been signing?
Futuro
won't I sign? won't you sign? won't she sign? won't we sign? won't you sign? won't they sign?
Futuro contínuo
won't I be signing? won't you be signing? won't she be signing? won't we be signing? won't you be signing? won't they be signing?
futuro perfeito
won't I have signed? won't you have signed? won't she have signed? won't we have signed? won't you have signed? won't they have signed?
futuro perfeito contínuo
won't I have been signing? won't you have been signing? won't she have been signing? won't we have been signing? won't you have been signing? won't they have been signing?
Condicional
Presente
wouldn't I sign? wouldn't you sign? wouldn't she sign? wouldn't we sign? wouldn't you sign? wouldn't they sign?
Presente contínuo
wouldn't I be signing? wouldn't you be signing? wouldn't she be signing? wouldn't we be signing? wouldn't you be signing? wouldn't they be signing?
Passado
wouldn't I have signed? wouldn't you have signed? wouldn't she have signed? wouldn't we have signed? wouldn't you have signed? wouldn't they have signed?
Passado contínuo
wouldn't I have been signing? wouldn't you have been signing? wouldn't she have been signing? wouldn't we have been signing? wouldn't you have been signing? wouldn't they have been signing?