should sucker
Regular verb: sucker - suckered- suckered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sucker
you'd sucker
he'd sucker
we'd sucker
you'd sucker
they'd sucker 	I'd be suckering
you'd be suckering
he'd be suckering
we'd be suckering
you'd be suckering
they'd be suckering	I should've suckered
you should've suckered
he should've suckered
we should've suckered
you should've suckered
they should've suckered	I should've been suckering
you should've been suckering
he should've been suckering
we should've been suckering
you should've been suckering
they should've been suckering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't sucker
you shouldn't sucker
he shouldn't sucker
we shouldn't sucker
you shouldn't sucker
they shouldn't sucker 	I shouldn't be suckering
you shouldn't be suckering
he shouldn't be suckering
we shouldn't be suckering
you shouldn't be suckering
they shouldn't be suckering	I shouldn't have suckered
you shouldn't have suckered
he shouldn't have suckered
we shouldn't have suckered
you shouldn't have suckered
they shouldn't have suckered	I shouldn't have been suckering
you shouldn't have been suckering
he shouldn't have been suckering
we shouldn't have been suckering
you shouldn't have been suckering
they shouldn't have been suckering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I sucker?
should you sucker?
should he sucker?
should we sucker?
should you sucker?
should they sucker? 	should I be suckering?
should you be suckering?
should he be suckering?
should we be suckering?
should you be suckering?
should they be suckering? 	should I have suckered?
should you have suckered?
should he have suckered?
should we have suckered?
should you have suckered?
should they have suckered? 	should I have been suckering?
should you have been suckering?
should he have been suckering?
should we have been suckering?
should you have been suckering?
should they have been suckering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I sucker?
shouldn't you sucker?
shouldn't he sucker?
shouldn't we sucker?
shouldn't you sucker?
shouldn't they sucker? 	shouldn't I be suckering?
shouldn't you be suckering?
shouldn't he be suckering?
shouldn't we be suckering?
shouldn't you be suckering?
shouldn't they be suckering? 	shouldn't I have suckered?
shouldn't you have suckered?
shouldn't he have suckered?
shouldn't we have suckered?
shouldn't you have suckered?
shouldn't they have suckered? 	shouldn't I have been suckering?
shouldn't you have been suckering?
shouldn't he have been suckering?
shouldn't we have been suckering?
shouldn't you have been suckering?
shouldn't they have been suckering?