should decapitate
Regular verb: decapitate - decapitated- decapitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd decapitate
you'd decapitate
he'd decapitate
we'd decapitate
you'd decapitate
they'd decapitate 	I'd be decapitating
you'd be decapitating
he'd be decapitating
we'd be decapitating
you'd be decapitating
they'd be decapitating	I should've decapitated
you should've decapitated
he should've decapitated
we should've decapitated
you should've decapitated
they should've decapitated	I should've been decapitating
you should've been decapitating
he should've been decapitating
we should've been decapitating
you should've been decapitating
they should've been decapitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't decapitate
you shouldn't decapitate
he shouldn't decapitate
we shouldn't decapitate
you shouldn't decapitate
they shouldn't decapitate 	I shouldn't be decapitating
you shouldn't be decapitating
he shouldn't be decapitating
we shouldn't be decapitating
you shouldn't be decapitating
they shouldn't be decapitating	I shouldn't have decapitated
you shouldn't have decapitated
he shouldn't have decapitated
we shouldn't have decapitated
you shouldn't have decapitated
they shouldn't have decapitated	I shouldn't have been decapitating
you shouldn't have been decapitating
he shouldn't have been decapitating
we shouldn't have been decapitating
you shouldn't have been decapitating
they shouldn't have been decapitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I decapitate?
should you decapitate?
should he decapitate?
should we decapitate?
should you decapitate?
should they decapitate? 	should I be decapitating?
should you be decapitating?
should he be decapitating?
should we be decapitating?
should you be decapitating?
should they be decapitating? 	should I have decapitated?
should you have decapitated?
should he have decapitated?
should we have decapitated?
should you have decapitated?
should they have decapitated? 	should I have been decapitating?
should you have been decapitating?
should he have been decapitating?
should we have been decapitating?
should you have been decapitating?
should they have been decapitating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I decapitate?
shouldn't you decapitate?
shouldn't he decapitate?
shouldn't we decapitate?
shouldn't you decapitate?
shouldn't they decapitate? 	shouldn't I be decapitating?
shouldn't you be decapitating?
shouldn't he be decapitating?
shouldn't we be decapitating?
shouldn't you be decapitating?
shouldn't they be decapitating? 	shouldn't I have decapitated?
shouldn't you have decapitated?
shouldn't he have decapitated?
shouldn't we have decapitated?
shouldn't you have decapitated?
shouldn't they have decapitated? 	shouldn't I have been decapitating?
shouldn't you have been decapitating?
shouldn't he have been decapitating?
shouldn't we have been decapitating?
shouldn't you have been decapitating?
shouldn't they have been decapitating?