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