
Verbo irregolare: undertake - undertook - undertaken
| Presente | Presente continuo | Preterito | Preterite continua | 
| do I undertake? do you undertake? does he undertake? do we undertake? do you undertake? do they undertake? | am I undertaking? are you undertaking? is he undertaking? are we undertaking? are you undertaking? are they undertaking? | did I undertake? did you undertake? did he undertake? did we undertake? did you undertake? did they undertake? | was I undertaking? were you undertaking? was he undertaking? were we undertaking? were you undertaking? were they undertaking? | 
| Presente perfetto | Presente perfetto continuo | Piuccheperfetto | Piuccheperfetto continuo | 
| have I undertaken? have you undertaken? has he undertaken? have we undertaken? have you undertaken? have they undertaken? | have I been undertaking? have you been undertaking? has he been undertaking? have we been undertaking? have you been undertaking? have they been undertaking? | had I undertaken? had you undertaken? had he undertaken? had we undertaken? had you undertaken? had they undertaken? | had I been undertaking? had you been undertaking? had he been undertaking? had we been undertaking? had you been undertaking? had they been undertaking? | 
| Futuro semplice | Futuro continuo | Futuro anteriore | Futuro anteriore contínuo | 
| will I undertake? will you undertake? will he undertake? will we undertake? will you undertake? will they undertake? | will I be undertaking? will you be undertaking? will he be undertaking? will we be undertaking? will you be undertaking? will they be undertaking? | will I have undertaken? will you have undertaken? will he have undertaken? will we have undertaken? will you have undertaken? will they have undertaken? | will I have been undertaking? will you have been undertaking? will he have been undertaking? will we have been undertaking? will you have been undertaking? will they have been undertaking? | 
| Presente | Presente continuo | Passato | Passato continuo | 
| would I undertake? would you undertake? would he undertake? would we undertake? would you undertake? would they undertake? | would I be undertaking? would you be undertaking? would he be undertaking? would we be undertaking? would you be undertaking? would they be undertaking? | would I have undertaken? would you have undertaken? would he have undertaken? would we have undertaken? would you have undertaken? would they have undertaken? | would I have been undertaking? would you have been undertaking? would he have been undertaking? would we have been undertaking? would you have been undertaking? would they have been undertaking? | 
| Infinito | Imperativo | 
| Infinito | Imperativo | ||
| to undertake | - - - | 
| Presente | Passato | ||
| undertaking | undertaken |