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