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