I must deny you must deny she must deny we must deny you must deny they must deny
V-ing form
I must be denying you must be denying she must be denying we must be denying you must be denying they must be denying
Perfect
I must have denied you must have denied she must have denied we must have denied you must have denied they must have denied
V-ing perfect
I must have been denying you must have been denying she must have been denying we must have been denying you must have been denying they must have been denying
Negation
Simple form
I must not deny you must not deny she must not deny we must not deny you must not deny they must not deny
V-ing form
I must not be denying you must not be denying she must not be denying we must not be denying you must not be denying they must not be denying
Perfect
I must not have denied you must not have denied she must not have denied we must not have denied you must not have denied they must not have denied
V-ing perfect
I must not have been denying you must not have been denying she must not have been denying we must not have been denying you must not have been denying they must not have been denying
Interrogative form
Simple form
must I deny? must you deny? must she deny? must we deny? must you deny? must they deny?
V-ing form
must I be denying? must you be denying? must she be denying? must we be denying? must you be denying? must they be denying?
Perfect
must I have denied? must you have denied? must she have denied? must we have denied? must you have denied? must they have denied?
V-ing perfect
must I have been denying? must you have been denying? must she have been denying? must we have been denying? must you have been denying? must they have been denying?
Interro-negative form
Simple form
must I not deny? must you not deny? must she not deny? must we not deny? must you not deny? must they not deny?
V-ing form
must I not be denying? must you not be denying? must she not be denying? must we not be denying? must you not be denying? must they not be denying?
Perfect
must I not have denied? must you not have denied? must she not have denied? must we not have denied? must you not have denied? must they not have denied?
V-ing perfect
must I not have been denying? must you not have been denying? must she not have been denying? must we not have been denying? must you not have been denying? must they not have been denying?