I can confirm you can confirm he can confirm we can confirm you can confirm they can confirm
Forma con V-ing
I can be confirming you can be confirming he can be confirming we can be confirming you can be confirming they can be confirming
Perfecto
I can have confirmed you can have confirmed he can have confirmed we can have confirmed you can have confirmed they can have confirmed
Perfecto con V-ing
I can have been confirming you can have been confirming he can have been confirming we can have been confirming you can have been confirming they can have been confirming
Negación
Forma simple
I can't confirm you can't confirm he can't confirm we can't confirm you can't confirm they can't confirm
Forma con V-ing
I can't be confirming you can't be confirming he can't be confirming we can't be confirming you can't be confirming they can't be confirming
Perfecto
I can't have confirmed you can't have confirmed he can't have confirmed we can't have confirmed you can't have confirmed they can't have confirmed
Perfecto con V-ing
I can't have been confirming you can't have been confirming he can't have been confirming we can't have been confirming you can't have been confirming they can't have been confirming
Forma interrogativa
Forma simple
can I confirm? can you confirm? can he confirm? can we confirm? can you confirm? can they confirm?
Forma con V-ing
can I be confirming? can you be confirming? can he be confirming? can we be confirming? can you be confirming? can they be confirming?
Perfecto
can I have confirmed? can you have confirmed? can he have confirmed? can we have confirmed? can you have confirmed? can they have confirmed?
Perfecto con V-ing
can I have been confirming? can you have been confirming? can he have been confirming? can we have been confirming? can you have been confirming? can they have been confirming?
Forma interro-negativa
Forma simple
can't I confirm? can't you confirm? can't he confirm? can't we confirm? can't you confirm? can't they confirm?
Forma con V-ing
can't I be confirming? can't you be confirming? can't he be confirming? can't we be confirming? can't you be confirming? can't they be confirming?
Perfecto
can't I have confirmed? can't you have confirmed? can't he have confirmed? can't we have confirmed? can't you have confirmed? can't they have confirmed?
Perfecto con V-ing
can't I have been confirming? can't you have been confirming? can't he have been confirming? can't we have been confirming? can't you have been confirming? can't they have been confirming?