English verb conjugation
COULD DENY

Regular verb: deny - denied - denied

Affirmation

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

Negation

Simple form	V-ing form
I could not deny you could not deny he could not deny we could not deny you could not deny they could not deny	I could not be denying you could not be denying he could not be denying we could not be denying you could not be denying they could not be denying
Perfect	V-ing perfect
I could not have denied you could not have denied he could not have denied we could not have denied you could not have denied they could not have denied	I could not have been denying you could not have been denying he could not have been denying we could not have been denying you could not have been denying they could not have been denying

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not deny? could you not deny? could he not deny? could we not deny? could you not deny? could they not deny?	could I not be denying? could you not be denying? could he not be denying? could we not be denying? could you not be denying? could they not be denying?
Perfect	V-ing perfect
could I not have denied? could you not have denied? could he not have denied? could we not have denied? could you not have denied? could they not have denied?	could I not have been denying? could you not have been denying? could he not have been denying? could we not have been denying? could you not have been denying? could they not have been denying?