should pump
Regular verb: pump - pumped- pumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd pump
you'd pump
he'd pump
we'd pump
you'd pump
they'd pump 	I'd be pumping
you'd be pumping
he'd be pumping
we'd be pumping
you'd be pumping
they'd be pumping	I should've pumped
you should've pumped
he should've pumped
we should've pumped
you should've pumped
they should've pumped	I should've been pumping
you should've been pumping
he should've been pumping
we should've been pumping
you should've been pumping
they should've been pumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't pump
you shouldn't pump
he shouldn't pump
we shouldn't pump
you shouldn't pump
they shouldn't pump 	I shouldn't be pumping
you shouldn't be pumping
he shouldn't be pumping
we shouldn't be pumping
you shouldn't be pumping
they shouldn't be pumping	I shouldn't have pumped
you shouldn't have pumped
he shouldn't have pumped
we shouldn't have pumped
you shouldn't have pumped
they shouldn't have pumped	I shouldn't have been pumping
you shouldn't have been pumping
he shouldn't have been pumping
we shouldn't have been pumping
you shouldn't have been pumping
they shouldn't have been pumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I pump?
should you pump?
should he pump?
should we pump?
should you pump?
should they pump? 	should I be pumping?
should you be pumping?
should he be pumping?
should we be pumping?
should you be pumping?
should they be pumping? 	should I have pumped?
should you have pumped?
should he have pumped?
should we have pumped?
should you have pumped?
should they have pumped? 	should I have been pumping?
should you have been pumping?
should he have been pumping?
should we have been pumping?
should you have been pumping?
should they have been pumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I pump?
shouldn't you pump?
shouldn't he pump?
shouldn't we pump?
shouldn't you pump?
shouldn't they pump? 	shouldn't I be pumping?
shouldn't you be pumping?
shouldn't he be pumping?
shouldn't we be pumping?
shouldn't you be pumping?
shouldn't they be pumping? 	shouldn't I have pumped?
shouldn't you have pumped?
shouldn't he have pumped?
shouldn't we have pumped?
shouldn't you have pumped?
shouldn't they have pumped? 	shouldn't I have been pumping?
shouldn't you have been pumping?
shouldn't he have been pumping?
shouldn't we have been pumping?
shouldn't you have been pumping?
shouldn't they have been pumping?