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