should snuff
Regular verb: snuff - snuffed- snuffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd snuff
you'd snuff
she'd snuff
we'd snuff
you'd snuff
they'd snuff 	I'd be snuffing
you'd be snuffing
she'd be snuffing
we'd be snuffing
you'd be snuffing
they'd be snuffing	I should've snuffed
you should've snuffed
she should've snuffed
we should've snuffed
you should've snuffed
they should've snuffed	I should've been snuffing
you should've been snuffing
she should've been snuffing
we should've been snuffing
you should've been snuffing
they should've been snuffing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't snuff
you shouldn't snuff
she shouldn't snuff
we shouldn't snuff
you shouldn't snuff
they shouldn't snuff 	I shouldn't be snuffing
you shouldn't be snuffing
she shouldn't be snuffing
we shouldn't be snuffing
you shouldn't be snuffing
they shouldn't be snuffing	I shouldn't have snuffed
you shouldn't have snuffed
she shouldn't have snuffed
we shouldn't have snuffed
you shouldn't have snuffed
they shouldn't have snuffed	I shouldn't have been snuffing
you shouldn't have been snuffing
she shouldn't have been snuffing
we shouldn't have been snuffing
you shouldn't have been snuffing
they shouldn't have been snuffing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I snuff?
should you snuff?
should she snuff?
should we snuff?
should you snuff?
should they snuff? 	should I be snuffing?
should you be snuffing?
should she be snuffing?
should we be snuffing?
should you be snuffing?
should they be snuffing? 	should I have snuffed?
should you have snuffed?
should she have snuffed?
should we have snuffed?
should you have snuffed?
should they have snuffed? 	should I have been snuffing?
should you have been snuffing?
should she have been snuffing?
should we have been snuffing?
should you have been snuffing?
should they have been snuffing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I snuff?
shouldn't you snuff?
shouldn't she snuff?
shouldn't we snuff?
shouldn't you snuff?
shouldn't they snuff? 	shouldn't I be snuffing?
shouldn't you be snuffing?
shouldn't she be snuffing?
shouldn't we be snuffing?
shouldn't you be snuffing?
shouldn't they be snuffing? 	shouldn't I have snuffed?
shouldn't you have snuffed?
shouldn't she have snuffed?
shouldn't we have snuffed?
shouldn't you have snuffed?
shouldn't they have snuffed? 	shouldn't I have been snuffing?
shouldn't you have been snuffing?
shouldn't she have been snuffing?
shouldn't we have been snuffing?
shouldn't you have been snuffing?
shouldn't they have been snuffing?