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