English verb conjugation
COULD DENY

Regular verb: deny - denied - denied

Affirmation

Simple form	V-ing form
I could deny you could deny she could deny we could deny you could deny they could deny	I could be denying you could be denying she 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 she 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 she 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 she 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 she 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 she 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 she 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 she deny? could we deny? could you deny? could they deny?	could I be denying? could you be denying? could she 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 she 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 she 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 she 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 she 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 she 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 she not have been denying? could we not have been denying? could you not have been denying? could they not have been denying?