don't I know? don't you know? doesn't he know? don't we know? don't you know? don't they know?
Presente continuo
am I not knowing? aren't you knowing? isn't he knowing? aren't we knowing? aren't you knowing? aren't they knowing?
Pretérito
didn't I know? didn't you know? didn't he know? didn't we know? didn't you know? didn't they know?
Pretérito continuo
wasn't I knowing? weren't you knowing? wasn't he knowing? weren't we knowing? weren't you knowing? weren't they knowing?
Presente perfecto
haven't I known? haven't you known? hasn't he known? haven't we known? haven't you known? haven't they known?
Presente perfecto continuo
haven't I been knowing? haven't you been knowing? hasn't he been knowing? haven't we been knowing? haven't you been knowing? haven't they been knowing?
Pluscuamperfecto
hadn't I known? hadn't you known? hadn't he known? hadn't we known? hadn't you known? hadn't they known?
Pluscuamperfecto continuo
hadn't I been knowing? hadn't you been knowing? hadn't he been knowing? hadn't we been knowing? hadn't you been knowing? hadn't they been knowing?
Futuro simple
won't I know? won't you know? won't he know? won't we know? won't you know? won't they know?
Futuro continuo
won't I be knowing? won't you be knowing? won't he be knowing? won't we be knowing? won't you be knowing? won't they be knowing?
Futuro perfecto
won't I have known? won't you have known? won't he have known? won't we have known? won't you have known? won't they have known?
Futuro perfecto contínuo
won't I have been knowing? won't you have been knowing? won't he have been knowing? won't we have been knowing? won't you have been knowing? won't they have been knowing?
Condicional
Presente
wouldn't I know? wouldn't you know? wouldn't he know? wouldn't we know? wouldn't you know? wouldn't they know?
Presente continuo
wouldn't I be knowing? wouldn't you be knowing? wouldn't he be knowing? wouldn't we be knowing? wouldn't you be knowing? wouldn't they be knowing?
Passado
wouldn't I have known? wouldn't you have known? wouldn't he have known? wouldn't we have known? wouldn't you have known? wouldn't they have known?
Passado continuo
wouldn't I have been knowing? wouldn't you have been knowing? wouldn't he have been knowing? wouldn't we have been knowing? wouldn't you have been knowing? wouldn't they have been knowing?