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