English verb conjugation
CAN DENY

Regular verb: deny - denied - denied

Affirmation

Simple form	V-ing form
I can deny you can deny he can deny we can deny you can deny they can deny	I can be denying you can be denying he can be denying we can be denying you can be denying they can be denying
Perfect	V-ing perfect
I can have denied you can have denied he can have denied we can have denied you can have denied they can have denied	I can have been denying you can have been denying he can have been denying we can have been denying you can have been denying they can have been denying

Negation

Simple form	V-ing form
I can't deny you can't deny he can't deny we can't deny you can't deny they can't deny	I can't be denying you can't be denying he can't be denying we can't be denying you can't be denying they can't be denying
Perfect	V-ing perfect
I can't have denied you can't have denied he can't have denied we can't have denied you can't have denied they can't have denied	I can't have been denying you can't have been denying he can't have been denying we can't have been denying you can't have been denying they can't have been denying

Interrogative form

Simple form	V-ing form
can I deny? can you deny? can he deny? can we deny? can you deny? can they deny?	can I be denying? can you be denying? can he be denying? can we be denying? can you be denying? can they be denying?
Perfect	V-ing perfect
can I have denied? can you have denied? can he have denied? can we have denied? can you have denied? can they have denied?	can I have been denying? can you have been denying? can he have been denying? can we have been denying? can you have been denying? can they have been denying?

Interro-negative form

Simple form	V-ing form
can't I deny? can't you deny? can't he deny? can't we deny? can't you deny? can't they deny?	can't I be denying? can't you be denying? can't he be denying? can't we be denying? can't you be denying? can't they be denying?
Perfect	V-ing perfect
can't I have denied? can't you have denied? can't he have denied? can't we have denied? can't you have denied? can't they have denied?	can't I have been denying? can't you have been denying? can't he have been denying? can't we have been denying? can't you have been denying? can't they have been denying?