should disdain
Regular verb: disdain - disdained- disdained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd disdain
you'd disdain
he'd disdain
we'd disdain
you'd disdain
they'd disdain 	I'd be disdaining
you'd be disdaining
he'd be disdaining
we'd be disdaining
you'd be disdaining
they'd be disdaining	I should've disdained
you should've disdained
he should've disdained
we should've disdained
you should've disdained
they should've disdained	I should've been disdaining
you should've been disdaining
he should've been disdaining
we should've been disdaining
you should've been disdaining
they should've been disdaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't disdain
you shouldn't disdain
he shouldn't disdain
we shouldn't disdain
you shouldn't disdain
they shouldn't disdain 	I shouldn't be disdaining
you shouldn't be disdaining
he shouldn't be disdaining
we shouldn't be disdaining
you shouldn't be disdaining
they shouldn't be disdaining	I shouldn't have disdained
you shouldn't have disdained
he shouldn't have disdained
we shouldn't have disdained
you shouldn't have disdained
they shouldn't have disdained	I shouldn't have been disdaining
you shouldn't have been disdaining
he shouldn't have been disdaining
we shouldn't have been disdaining
you shouldn't have been disdaining
they shouldn't have been disdaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I disdain?
should you disdain?
should he disdain?
should we disdain?
should you disdain?
should they disdain? 	should I be disdaining?
should you be disdaining?
should he be disdaining?
should we be disdaining?
should you be disdaining?
should they be disdaining? 	should I have disdained?
should you have disdained?
should he have disdained?
should we have disdained?
should you have disdained?
should they have disdained? 	should I have been disdaining?
should you have been disdaining?
should he have been disdaining?
should we have been disdaining?
should you have been disdaining?
should they have been disdaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I disdain?
shouldn't you disdain?
shouldn't he disdain?
shouldn't we disdain?
shouldn't you disdain?
shouldn't they disdain? 	shouldn't I be disdaining?
shouldn't you be disdaining?
shouldn't he be disdaining?
shouldn't we be disdaining?
shouldn't you be disdaining?
shouldn't they be disdaining? 	shouldn't I have disdained?
shouldn't you have disdained?
shouldn't he have disdained?
shouldn't we have disdained?
shouldn't you have disdained?
shouldn't they have disdained? 	shouldn't I have been disdaining?
shouldn't you have been disdaining?
shouldn't he have been disdaining?
shouldn't we have been disdaining?
shouldn't you have been disdaining?
shouldn't they have been disdaining?