must denigrate
Regular verb: denigrate - denigrated- denigrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must denigrate
you must denigrate
she must denigrate
we must denigrate
you must denigrate
they must denigrate 	I must be denigrating
you must be denigrating
she must be denigrating
we must be denigrating
you must be denigrating
they must be denigrating	I must have denigrated
you must have denigrated
she must have denigrated
we must have denigrated
you must have denigrated
they must have denigrated	I must have been denigrating
you must have been denigrating
she must have been denigrating
we must have been denigrating
you must have been denigrating
they must have been denigrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't denigrate
you mustn't denigrate
she mustn't denigrate
we mustn't denigrate
you mustn't denigrate
they mustn't denigrate 	I mustn't be denigrating
you mustn't be denigrating
she mustn't be denigrating
we mustn't be denigrating
you mustn't be denigrating
they mustn't be denigrating	I mustn't have denigrated
you mustn't have denigrated
she mustn't have denigrated
we mustn't have denigrated
you mustn't have denigrated
they mustn't have denigrated	I mustn't have been denigrating
you mustn't have been denigrating
she mustn't have been denigrating
we mustn't have been denigrating
you mustn't have been denigrating
they mustn't have been denigrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I denigrate?
must you denigrate?
must she denigrate?
must we denigrate?
must you denigrate?
must they denigrate? 	must I be denigrating?
must you be denigrating?
must she be denigrating?
must we be denigrating?
must you be denigrating?
must they be denigrating? 	must I have denigrated?
must you have denigrated?
must she have denigrated?
must we have denigrated?
must you have denigrated?
must they have denigrated? 	must I have been denigrating?
must you have been denigrating?
must she have been denigrating?
must we have been denigrating?
must you have been denigrating?
must they have been denigrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I denigrate?
mustn't you denigrate?
mustn't she denigrate?
mustn't we denigrate?
mustn't you denigrate?
mustn't they denigrate? 	mustn't I be denigrating?
mustn't you be denigrating?
mustn't she be denigrating?
mustn't we be denigrating?
mustn't you be denigrating?
mustn't they be denigrating? 	mustn't I have denigrated?
mustn't you have denigrated?
mustn't she have denigrated?
mustn't we have denigrated?
mustn't you have denigrated?
mustn't they have denigrated? 	mustn't I have been denigrating?
mustn't you have been denigrating?
mustn't she have been denigrating?
mustn't we have been denigrating?
mustn't you have been denigrating?
mustn't they have been denigrating?