Verbo irregolare: undertake - undertook - undertaken
Affermazione
Forma semplice
I could undertake you could undertake he could undertake we could undertake you could undertake they could undertake
Forma con V-ing
I could be undertaking you could be undertaking he could be undertaking we could be undertaking you could be undertaking they could be undertaking
Perfetto
I could have undertaken you could have undertaken he could have undertaken we could have undertaken you could have undertaken they could have undertaken
Perfetto con V-ing
I could have been undertaking you could have been undertaking he could have been undertaking we could have been undertaking you could have been undertaking they could have been undertaking
Negazione
Forma semplice
I couldn't undertake you couldn't undertake he couldn't undertake we couldn't undertake you couldn't undertake they couldn't undertake
Forma con V-ing
I couldn't be undertaking you couldn't be undertaking he couldn't be undertaking we couldn't be undertaking you couldn't be undertaking they couldn't be undertaking
Perfetto
I couldn't have undertaken you couldn't have undertaken he couldn't have undertaken we couldn't have undertaken you couldn't have undertaken they couldn't have undertaken
Perfetto con V-ing
I couldn't have been undertaking you couldn't have been undertaking he couldn't have been undertaking we couldn't have been undertaking you couldn't have been undertaking they couldn't have been undertaking
Forma interrogativa
Forma semplice
could I undertake? could you undertake? could he undertake? could we undertake? could you undertake? could they undertake?
Forma con V-ing
could I be undertaking? could you be undertaking? could he be undertaking? could we be undertaking? could you be undertaking? could they be undertaking?
Perfetto
could I have undertaken? could you have undertaken? could he have undertaken? could we have undertaken? could you have undertaken? could they have undertaken?
Perfetto con V-ing
could I have been undertaking? could you have been undertaking? could he have been undertaking? could we have been undertaking? could you have been undertaking? could they have been undertaking?
Forma interro-negativa
Forma semplice
couldn't I undertake? couldn't you undertake? couldn't he undertake? couldn't we undertake? couldn't you undertake? couldn't they undertake?
Forma con V-ing
couldn't I be undertaking? couldn't you be undertaking? couldn't he be undertaking? couldn't we be undertaking? couldn't you be undertaking? couldn't they be undertaking?
Perfetto
couldn't I have undertaken? couldn't you have undertaken? couldn't he have undertaken? couldn't we have undertaken? couldn't you have undertaken? couldn't they have undertaken?
Perfetto con V-ing
couldn't I have been undertaking? couldn't you have been undertaking? couldn't he have been undertaking? couldn't we have been undertaking? couldn't you have been undertaking? couldn't they have been undertaking?