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 couldn't deny you couldn't deny she couldn't deny we couldn't deny you couldn't deny they couldn't deny	I couldn't be denying you couldn't be denying she couldn't be denying we couldn't be denying you couldn't be denying they couldn't be denying
Perfect	V-ing perfect
I couldn't have denied you couldn't have denied she couldn't have denied we couldn't have denied you couldn't have denied they couldn't have denied	I couldn't have been denying you couldn't have been denying she couldn't have been denying we couldn't have been denying you couldn't have been denying they couldn't 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
couldn't I deny? couldn't you deny? couldn't she deny? couldn't we deny? couldn't you deny? couldn't they deny?	couldn't I be denying? couldn't you be denying? couldn't she be denying? couldn't we be denying? couldn't you be denying? couldn't they be denying?
Perfect	V-ing perfect
couldn't I have denied? couldn't you have denied? couldn't she have denied? couldn't we have denied? couldn't you have denied? couldn't they have denied?	couldn't I have been denying? couldn't you have been denying? couldn't she have been denying? couldn't we have been denying? couldn't you have been denying? couldn't they have been denying?