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