could confirm
Verbo regolare: confirm - confirmed- confirmed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could confirm
you could confirm
he could confirm
we could confirm
you could confirm
they could confirm 	I could be confirming
you could be confirming
he could be confirming
we could be confirming
you could be confirming
they could be confirming	I could have confirmed
you could have confirmed
he could have confirmed
we could have confirmed
you could have confirmed
they could have confirmed	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 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't confirm
you couldn't confirm
he couldn't confirm
we couldn't confirm
you couldn't confirm
they couldn't confirm 	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	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	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 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I confirm?
could you confirm?
could he confirm?
could we confirm?
could you confirm?
could they confirm? 	could I be confirming?
could you be confirming?
could he be confirming?
could we be confirming?
could you be confirming?
could they be confirming? 	could I have confirmed?
could you have confirmed?
could he have confirmed?
could we have confirmed?
could you have confirmed?
could they have confirmed? 	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 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I confirm?
couldn't you confirm?
couldn't he confirm?
couldn't we confirm?
couldn't you confirm?
couldn't they confirm? 	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? 	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? 	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?