should supervene
Regular verb: supervene - supervened- supervened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd supervene
you'd supervene
she'd supervene
we'd supervene
you'd supervene
they'd supervene 	I'd be supervening
you'd be supervening
she'd be supervening
we'd be supervening
you'd be supervening
they'd be supervening	I should've supervened
you should've supervened
she should've supervened
we should've supervened
you should've supervened
they should've supervened	I should've been supervening
you should've been supervening
she should've been supervening
we should've been supervening
you should've been supervening
they should've been supervening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't supervene
you shouldn't supervene
she shouldn't supervene
we shouldn't supervene
you shouldn't supervene
they shouldn't supervene 	I shouldn't be supervening
you shouldn't be supervening
she shouldn't be supervening
we shouldn't be supervening
you shouldn't be supervening
they shouldn't be supervening	I shouldn't have supervened
you shouldn't have supervened
she shouldn't have supervened
we shouldn't have supervened
you shouldn't have supervened
they shouldn't have supervened	I shouldn't have been supervening
you shouldn't have been supervening
she shouldn't have been supervening
we shouldn't have been supervening
you shouldn't have been supervening
they shouldn't have been supervening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I supervene?
should you supervene?
should she supervene?
should we supervene?
should you supervene?
should they supervene? 	should I be supervening?
should you be supervening?
should she be supervening?
should we be supervening?
should you be supervening?
should they be supervening? 	should I have supervened?
should you have supervened?
should she have supervened?
should we have supervened?
should you have supervened?
should they have supervened? 	should I have been supervening?
should you have been supervening?
should she have been supervening?
should we have been supervening?
should you have been supervening?
should they have been supervening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I supervene?
shouldn't you supervene?
shouldn't she supervene?
shouldn't we supervene?
shouldn't you supervene?
shouldn't they supervene? 	shouldn't I be supervening?
shouldn't you be supervening?
shouldn't she be supervening?
shouldn't we be supervening?
shouldn't you be supervening?
shouldn't they be supervening? 	shouldn't I have supervened?
shouldn't you have supervened?
shouldn't she have supervened?
shouldn't we have supervened?
shouldn't you have supervened?
shouldn't they have supervened? 	shouldn't I have been supervening?
shouldn't you have been supervening?
shouldn't she have been supervening?
shouldn't we have been supervening?
shouldn't you have been supervening?
shouldn't they have been supervening?