should denigrate
Regular verb: denigrate - denigrated- denigrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd denigrate
you'd denigrate
he'd denigrate
we'd denigrate
you'd denigrate
they'd denigrate 	I'd be denigrating
you'd be denigrating
he'd be denigrating
we'd be denigrating
you'd be denigrating
they'd be denigrating	I should've denigrated
you should've denigrated
he should've denigrated
we should've denigrated
you should've denigrated
they should've denigrated	I should've been denigrating
you should've been denigrating
he should've been denigrating
we should've been denigrating
you should've been denigrating
they should've been denigrating	

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

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

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