don't I sharpen? don't you sharpen? doesn't she sharpen? don't we sharpen? don't you sharpen? don't they sharpen?
Presente continuo
am I not sharpening? aren't you sharpening? isn't she sharpening? aren't we sharpening? aren't you sharpening? aren't they sharpening?
Pretérito
didn't I sharpen? didn't you sharpen? didn't she sharpen? didn't we sharpen? didn't you sharpen? didn't they sharpen?
Pretérito continuo
wasn't I sharpening? weren't you sharpening? wasn't she sharpening? weren't we sharpening? weren't you sharpening? weren't they sharpening?
Presente perfecto
haven't I sharpened? haven't you sharpened? hasn't she sharpened? haven't we sharpened? haven't you sharpened? haven't they sharpened?
Presente perfecto continuo
haven't I been sharpening? haven't you been sharpening? hasn't she been sharpening? haven't we been sharpening? haven't you been sharpening? haven't they been sharpening?
Pluscuamperfecto
hadn't I sharpened? hadn't you sharpened? hadn't she sharpened? hadn't we sharpened? hadn't you sharpened? hadn't they sharpened?
Pluscuamperfecto continuo
hadn't I been sharpening? hadn't you been sharpening? hadn't she been sharpening? hadn't we been sharpening? hadn't you been sharpening? hadn't they been sharpening?
Futuro simple
won't I sharpen? won't you sharpen? won't she sharpen? won't we sharpen? won't you sharpen? won't they sharpen?
Futuro continuo
won't I be sharpening? won't you be sharpening? won't she be sharpening? won't we be sharpening? won't you be sharpening? won't they be sharpening?
Futuro perfecto
won't I have sharpened? won't you have sharpened? won't she have sharpened? won't we have sharpened? won't you have sharpened? won't they have sharpened?
Futuro perfecto contínuo
won't I have been sharpening? won't you have been sharpening? won't she 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 she sharpen? wouldn't we sharpen? wouldn't you sharpen? wouldn't they sharpen?
Presente continuo
wouldn't I be sharpening? wouldn't you be sharpening? wouldn't she 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 she have sharpened? wouldn't we have sharpened? wouldn't you have sharpened? wouldn't they have sharpened?
Passado continuo
wouldn't I have been sharpening? wouldn't you have been sharpening? wouldn't she have been sharpening? wouldn't we have been sharpening? wouldn't you have been sharpening? wouldn't they have been sharpening?