Verbo regular: happen - happened - happened
Presente | Presente continuo | Pretérito | Pretérito continuo |
- - doesn't it happen? - - - | - - isn't it happening? - - - | - - didn't it happen? - - - | - - wasn't it happening? - - - |
Presente perfecto | Presente perfecto continuo | Pluscuamperfecto | Pluscuamperfecto continuo |
- - hasn't it happened? - - - | - - hasn't it been happening? - - - | - - hadn't it happened? - - - | - - hadn't it been happening? - - - |
Futuro simple | Futuro continuo | Futuro perfecto | Futuro perfecto contínuo |
- - won't it happen? - - - | - - won't it be happening? - - - | - - won't it have happened? - - - | - - won't it have been happening? - - - |
Presente | Presente continuo | Passado | Passado continuo |
- - wouldn't it happen? - - - | - - wouldn't it be happening? - - - | - - wouldn't it have happened? - - - | - - wouldn't it have been happening? - - - |
Infinitivo | Imperativo |
Infinitivo | Imperativo | ||
to happen | - - - |
Presente | Passado | ||
happening | happened |