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