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