English verb conjugation
CAN CONFIRM

Regular verb: confirm - confirmed - confirmed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I cannot confirm you cannot confirm she cannot confirm we cannot confirm you cannot confirm they cannot confirm	I cannot be confirming you cannot be confirming she cannot be confirming we cannot be confirming you cannot be confirming they cannot be confirming
Perfect	V-ing perfect
I cannot have confirmed you cannot have confirmed she cannot have confirmed we cannot have confirmed you cannot have confirmed they cannot have confirmed	I cannot have been confirming you cannot have been confirming she cannot have been confirming we cannot have been confirming you cannot have been confirming they cannot have been confirming

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
can I not confirm? can you not confirm? can she not confirm? can we not confirm? can you not confirm? can they not confirm?	can I not be confirming? can you not be confirming? can she not be confirming? can we not be confirming? can you not be confirming? can they not be confirming?
Perfect	V-ing perfect
can I not have confirmed? can you not have confirmed? can she not have confirmed? can we not have confirmed? can you not have confirmed? can they not have confirmed?	can I not have been confirming? can you not have been confirming? can she not have been confirming? can we not have been confirming? can you not have been confirming? can they not have been confirming?