I could confirm you could confirm he could confirm we could confirm you could confirm they could confirm
Forma con V-ing
I could be confirming you could be confirming he could be confirming we could be confirming you could be confirming they could be confirming
Perfetto
I could have confirmed you could have confirmed he could have confirmed we could have confirmed you could have confirmed they could have confirmed
Perfetto con V-ing
I could have been confirming you could have been confirming he could have been confirming we could have been confirming you could have been confirming they could have been confirming
Negazione
Forma semplice
I couldn't confirm you couldn't confirm he couldn't confirm we couldn't confirm you couldn't confirm they couldn't confirm
Forma con V-ing
I couldn't be confirming you couldn't be confirming he couldn't be confirming we couldn't be confirming you couldn't be confirming they couldn't be confirming
Perfetto
I couldn't have confirmed you couldn't have confirmed he couldn't have confirmed we couldn't have confirmed you couldn't have confirmed they couldn't have confirmed
Perfetto con V-ing
I couldn't have been confirming you couldn't have been confirming he couldn't have been confirming we couldn't have been confirming you couldn't have been confirming they couldn't have been confirming
Forma interrogativa
Forma semplice
could I confirm? could you confirm? could he confirm? could we confirm? could you confirm? could they confirm?
Forma con V-ing
could I be confirming? could you be confirming? could he be confirming? could we be confirming? could you be confirming? could they be confirming?
Perfetto
could I have confirmed? could you have confirmed? could he have confirmed? could we have confirmed? could you have confirmed? could they have confirmed?
Perfetto con V-ing
could I have been confirming? could you have been confirming? could he have been confirming? could we have been confirming? could you have been confirming? could they have been confirming?
Forma interro-negativa
Forma semplice
couldn't I confirm? couldn't you confirm? couldn't he confirm? couldn't we confirm? couldn't you confirm? couldn't they confirm?
Forma con V-ing
couldn't I be confirming? couldn't you be confirming? couldn't he be confirming? couldn't we be confirming? couldn't you be confirming? couldn't they be confirming?
Perfetto
couldn't I have confirmed? couldn't you have confirmed? couldn't he have confirmed? couldn't we have confirmed? couldn't you have confirmed? couldn't they have confirmed?
Perfetto con V-ing
couldn't I have been confirming? couldn't you have been confirming? couldn't he have been confirming? couldn't we have been confirming? couldn't you have been confirming? couldn't they have been confirming?