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