
Verbo regular: fail - failed - failed
Presente | Presente continuo | Pretérito | Pretérito continuo | 
|  don't I fail? don't you fail? doesn't he fail? don't we fail? don't you fail? don't they fail?  | am I not failing? aren't you failing? isn't he failing? aren't we failing? aren't you failing? aren't they failing?  | didn't I fail? didn't you fail? didn't he fail? didn't we fail? didn't you fail? didn't they fail?  |  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 | Presente perfecto continuo | Pluscuamperfecto | Pluscuamperfecto continuo | 
| haven't I failed? haven't you failed? hasn't he failed? haven't we failed? haven't you failed? haven't they failed?  | 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?  | hadn't I failed? hadn't you failed? hadn't he failed? hadn't we failed? hadn't you failed? hadn't they failed?  | 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 | Futuro continuo | Futuro perfecto | Futuro perfecto contínuo | 
| won't I fail? won't you fail? won't he fail? won't we fail? won't you fail? won't they fail?  | 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?  | 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?  | 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?  | 
Presente | Presente continuo | Passado | Passado continuo | 
| wouldn't I fail? wouldn't you fail? wouldn't he fail? wouldn't we fail? wouldn't you fail? wouldn't they fail?  | 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?  | 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?  | 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?  | 
Infinitivo | Imperativo | 
Infinitivo | Imperativo | ||
| to fail | - - -  | 
Presente | Passado | ||
| failing | failed |