should overstock
Regular verb: overstock - overstocked- overstocked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd overstock
you'd overstock
he'd overstock
we'd overstock
you'd overstock
they'd overstock 	I'd be overstocking
you'd be overstocking
he'd be overstocking
we'd be overstocking
you'd be overstocking
they'd be overstocking	I should've overstocked
you should've overstocked
he should've overstocked
we should've overstocked
you should've overstocked
they should've overstocked	I should've been overstocking
you should've been overstocking
he should've been overstocking
we should've been overstocking
you should've been overstocking
they should've been overstocking	

Negation 	
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I shouldn't overstock
you shouldn't overstock
he shouldn't overstock
we shouldn't overstock
you shouldn't overstock
they shouldn't overstock 	I shouldn't be overstocking
you shouldn't be overstocking
he shouldn't be overstocking
we shouldn't be overstocking
you shouldn't be overstocking
they shouldn't be overstocking	I shouldn't have overstocked
you shouldn't have overstocked
he shouldn't have overstocked
we shouldn't have overstocked
you shouldn't have overstocked
they shouldn't have overstocked	I shouldn't have been overstocking
you shouldn't have been overstocking
he shouldn't have been overstocking
we shouldn't have been overstocking
you shouldn't have been overstocking
they shouldn't have been overstocking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I overstock?
should you overstock?
should he overstock?
should we overstock?
should you overstock?
should they overstock? 	should I be overstocking?
should you be overstocking?
should he be overstocking?
should we be overstocking?
should you be overstocking?
should they be overstocking? 	should I have overstocked?
should you have overstocked?
should he have overstocked?
should we have overstocked?
should you have overstocked?
should they have overstocked? 	should I have been overstocking?
should you have been overstocking?
should he have been overstocking?
should we have been overstocking?
should you have been overstocking?
should they have been overstocking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I overstock?
shouldn't you overstock?
shouldn't he overstock?
shouldn't we overstock?
shouldn't you overstock?
shouldn't they overstock? 	shouldn't I be overstocking?
shouldn't you be overstocking?
shouldn't he be overstocking?
shouldn't we be overstocking?
shouldn't you be overstocking?
shouldn't they be overstocking? 	shouldn't I have overstocked?
shouldn't you have overstocked?
shouldn't he have overstocked?
shouldn't we have overstocked?
shouldn't you have overstocked?
shouldn't they have overstocked? 	shouldn't I have been overstocking?
shouldn't you have been overstocking?
shouldn't he have been overstocking?
shouldn't we have been overstocking?
shouldn't you have been overstocking?
shouldn't they have been overstocking?