
Verbo irregolare: undertake - undertook - undertaken
Presente | Presente continuo | Preterito | Preterite continua | 
| I undertake you undertake she undertakes we undertake you undertake they undertake  | I'm undertaking you're undertaking she's undertaking we're undertaking you're undertaking they're undertaking  | I undertook you undertook she undertook we undertook you undertook they undertook  | I was undertaking you were undertaking she was undertaking we were undertaking you were undertaking they were undertaking  | 
Presente perfetto | Presente perfetto continuo | Piuccheperfetto | Piuccheperfetto continuo | 
| I've undertaken you've undertaken she's undertaken we've undertaken you've undertaken they've undertaken  | I've been undertaking you've been undertaking she's been undertaking we've been undertaking you've been undertaking they've been undertaking  | I'd undertaken you'd undertaken she'd undertaken we'd undertaken you'd undertaken they'd undertaken  | I'd been undertaking you'd been undertaking she'd been undertaking we'd been undertaking you'd been undertaking they'd been undertaking  | 
Futuro semplice | Futuro continuo | Futuro anteriore | Futuro anteriore contínuo | 
| I'll undertake you'll undertake she'll undertake we'll undertake you'll undertake they'll undertake  | I'll be undertaking you'll be undertaking she'll be undertaking we'll be undertaking you'll be undertaking they'll be undertaking  | I'll have undertaken you'll have undertaken she'll have undertaken we'll have undertaken you'll have undertaken they'll have undertaken  | I'll have been undertaking you'll have been undertaking she'll have been undertaking we'll have been undertaking you'll have been undertaking they'll have been undertaking  | 
Presente | Presente continuo | Passato | Passato continuo | 
| I'd undertake you'd undertake she'd undertake we'd undertake you'd undertake they'd undertake  | I'd be undertaking you'd be undertaking she'd be undertaking we'd be undertaking you'd be undertaking they'd be undertaking  | I'd have undertaken you'd have undertaken she'd have undertaken we'd have undertaken you'd have undertaken they'd have undertaken  | I'd have been undertaking you'd have been undertaking she'd have been undertaking we'd have been undertaking you'd have been undertaking they'd have been undertaking  | 
Infinito | Imperativo | 
Infinito | Imperativo | ||
| to undertake | undertake Let's undertake undertake  | 
Presente | Passato | ||
| undertaking | undertaken |