can confirm
Verbo regular: confirm - confirmed- confirmed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can confirm
you can confirm
she can confirm
we can confirm
you can confirm
they can confirm 	I can be confirming
you can be confirming
she can be confirming
we can be confirming
you can be confirming
they can be confirming	I can have confirmed
you can have confirmed
she can have confirmed
we can have confirmed
you can have confirmed
they can have confirmed	I can have been confirming
you can have been confirming
she can have been confirming
we can have been confirming
you can have been confirming
they can have been confirming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't confirm
you can't confirm
she can't confirm
we can't confirm
you can't confirm
they can't confirm 	I can't be confirming
you can't be confirming
she can't be confirming
we can't be confirming
you can't be confirming
they can't be confirming	I can't have confirmed
you can't have confirmed
she can't have confirmed
we can't have confirmed
you can't have confirmed
they can't have confirmed	I can't have been confirming
you can't have been confirming
she 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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I confirm?
can you confirm?
can she confirm?
can we confirm?
can you confirm?
can they confirm? 	can I be confirming?
can you be confirming?
can she be confirming?
can we be confirming?
can you be confirming?
can they be confirming? 	can I have confirmed?
can you have confirmed?
can she have confirmed?
can we have confirmed?
can you have confirmed?
can they have confirmed? 	can I have been confirming?
can you have been confirming?
can she have been confirming?
can we have been confirming?
can you have been confirming?
can they have been confirming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I confirm?
can't you confirm?
can't she confirm?
can't we confirm?
can't you confirm?
can't they confirm? 	can't I be confirming?
can't you be confirming?
can't she be confirming?
can't we be confirming?
can't you be confirming?
can't they be confirming? 	can't I have confirmed?
can't you have confirmed?
can't she have confirmed?
can't we have confirmed?
can't you have confirmed?
can't they have confirmed? 	can't I have been confirming?
can't you have been confirming?
can't she have been confirming?
can't we have been confirming?
can't you have been confirming?
can't they have been confirming?