should overfish
Regular verb: overfish - overfished- overfished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd overfish
you'd overfish
he'd overfish
we'd overfish
you'd overfish
they'd overfish 	I'd be overfishing
you'd be overfishing
he'd be overfishing
we'd be overfishing
you'd be overfishing
they'd be overfishing	I should've overfished
you should've overfished
he should've overfished
we should've overfished
you should've overfished
they should've overfished	I should've been overfishing
you should've been overfishing
he should've been overfishing
we should've been overfishing
you should've been overfishing
they should've been overfishing	

Negation 	
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I shouldn't overfish
you shouldn't overfish
he shouldn't overfish
we shouldn't overfish
you shouldn't overfish
they shouldn't overfish 	I shouldn't be overfishing
you shouldn't be overfishing
he shouldn't be overfishing
we shouldn't be overfishing
you shouldn't be overfishing
they shouldn't be overfishing	I shouldn't have overfished
you shouldn't have overfished
he shouldn't have overfished
we shouldn't have overfished
you shouldn't have overfished
they shouldn't have overfished	I shouldn't have been overfishing
you shouldn't have been overfishing
he shouldn't have been overfishing
we shouldn't have been overfishing
you shouldn't have been overfishing
they shouldn't have been overfishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I overfish?
should you overfish?
should he overfish?
should we overfish?
should you overfish?
should they overfish? 	should I be overfishing?
should you be overfishing?
should he be overfishing?
should we be overfishing?
should you be overfishing?
should they be overfishing? 	should I have overfished?
should you have overfished?
should he have overfished?
should we have overfished?
should you have overfished?
should they have overfished? 	should I have been overfishing?
should you have been overfishing?
should he have been overfishing?
should we have been overfishing?
should you have been overfishing?
should they have been overfishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I overfish?
shouldn't you overfish?
shouldn't he overfish?
shouldn't we overfish?
shouldn't you overfish?
shouldn't they overfish? 	shouldn't I be overfishing?
shouldn't you be overfishing?
shouldn't he be overfishing?
shouldn't we be overfishing?
shouldn't you be overfishing?
shouldn't they be overfishing? 	shouldn't I have overfished?
shouldn't you have overfished?
shouldn't he have overfished?
shouldn't we have overfished?
shouldn't you have overfished?
shouldn't they have overfished? 	shouldn't I have been overfishing?
shouldn't you have been overfishing?
shouldn't he have been overfishing?
shouldn't we have been overfishing?
shouldn't you have been overfishing?
shouldn't they have been overfishing?