should simper
Regular verb: simper - simpered- simpered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd simper
you'd simper
he'd simper
we'd simper
you'd simper
they'd simper 	I'd be simpering
you'd be simpering
he'd be simpering
we'd be simpering
you'd be simpering
they'd be simpering	I should've simpered
you should've simpered
he should've simpered
we should've simpered
you should've simpered
they should've simpered	I should've been simpering
you should've been simpering
he should've been simpering
we should've been simpering
you should've been simpering
they should've been simpering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't simper
you shouldn't simper
he shouldn't simper
we shouldn't simper
you shouldn't simper
they shouldn't simper 	I shouldn't be simpering
you shouldn't be simpering
he shouldn't be simpering
we shouldn't be simpering
you shouldn't be simpering
they shouldn't be simpering	I shouldn't have simpered
you shouldn't have simpered
he shouldn't have simpered
we shouldn't have simpered
you shouldn't have simpered
they shouldn't have simpered	I shouldn't have been simpering
you shouldn't have been simpering
he shouldn't have been simpering
we shouldn't have been simpering
you shouldn't have been simpering
they shouldn't have been simpering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I simper?
should you simper?
should he simper?
should we simper?
should you simper?
should they simper? 	should I be simpering?
should you be simpering?
should he be simpering?
should we be simpering?
should you be simpering?
should they be simpering? 	should I have simpered?
should you have simpered?
should he have simpered?
should we have simpered?
should you have simpered?
should they have simpered? 	should I have been simpering?
should you have been simpering?
should he have been simpering?
should we have been simpering?
should you have been simpering?
should they have been simpering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I simper?
shouldn't you simper?
shouldn't he simper?
shouldn't we simper?
shouldn't you simper?
shouldn't they simper? 	shouldn't I be simpering?
shouldn't you be simpering?
shouldn't he be simpering?
shouldn't we be simpering?
shouldn't you be simpering?
shouldn't they be simpering? 	shouldn't I have simpered?
shouldn't you have simpered?
shouldn't he have simpered?
shouldn't we have simpered?
shouldn't you have simpered?
shouldn't they have simpered? 	shouldn't I have been simpering?
shouldn't you have been simpering?
shouldn't he have been simpering?
shouldn't we have been simpering?
shouldn't you have been simpering?
shouldn't they have been simpering?