should snap
Regular verb: snap - snapped- snapped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd snap
you'd snap
she'd snap
we'd snap
you'd snap
they'd snap 	I'd be snapping
you'd be snapping
she'd be snapping
we'd be snapping
you'd be snapping
they'd be snapping	I should've snapped
you should've snapped
she should've snapped
we should've snapped
you should've snapped
they should've snapped	I should've been snapping
you should've been snapping
she should've been snapping
we should've been snapping
you should've been snapping
they should've been snapping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't snap
you shouldn't snap
she shouldn't snap
we shouldn't snap
you shouldn't snap
they shouldn't snap 	I shouldn't be snapping
you shouldn't be snapping
she shouldn't be snapping
we shouldn't be snapping
you shouldn't be snapping
they shouldn't be snapping	I shouldn't have snapped
you shouldn't have snapped
she shouldn't have snapped
we shouldn't have snapped
you shouldn't have snapped
they shouldn't have snapped	I shouldn't have been snapping
you shouldn't have been snapping
she shouldn't have been snapping
we shouldn't have been snapping
you shouldn't have been snapping
they shouldn't have been snapping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I snap?
should you snap?
should she snap?
should we snap?
should you snap?
should they snap? 	should I be snapping?
should you be snapping?
should she be snapping?
should we be snapping?
should you be snapping?
should they be snapping? 	should I have snapped?
should you have snapped?
should she have snapped?
should we have snapped?
should you have snapped?
should they have snapped? 	should I have been snapping?
should you have been snapping?
should she have been snapping?
should we have been snapping?
should you have been snapping?
should they have been snapping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I snap?
shouldn't you snap?
shouldn't she snap?
shouldn't we snap?
shouldn't you snap?
shouldn't they snap? 	shouldn't I be snapping?
shouldn't you be snapping?
shouldn't she be snapping?
shouldn't we be snapping?
shouldn't you be snapping?
shouldn't they be snapping? 	shouldn't I have snapped?
shouldn't you have snapped?
shouldn't she have snapped?
shouldn't we have snapped?
shouldn't you have snapped?
shouldn't they have snapped? 	shouldn't I have been snapping?
shouldn't you have been snapping?
shouldn't she have been snapping?
shouldn't we have been snapping?
shouldn't you have been snapping?
shouldn't they have been snapping?