should counterfeit
Regular verb: counterfeit - counterfeited- counterfeited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd counterfeit
you'd counterfeit
he'd counterfeit
we'd counterfeit
you'd counterfeit
they'd counterfeit 	I'd be counterfeiting
you'd be counterfeiting
he'd be counterfeiting
we'd be counterfeiting
you'd be counterfeiting
they'd be counterfeiting	I should've counterfeited
you should've counterfeited
he should've counterfeited
we should've counterfeited
you should've counterfeited
they should've counterfeited	I should've been counterfeiting
you should've been counterfeiting
he should've been counterfeiting
we should've been counterfeiting
you should've been counterfeiting
they should've been counterfeiting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't counterfeit
you shouldn't counterfeit
he shouldn't counterfeit
we shouldn't counterfeit
you shouldn't counterfeit
they shouldn't counterfeit 	I shouldn't be counterfeiting
you shouldn't be counterfeiting
he shouldn't be counterfeiting
we shouldn't be counterfeiting
you shouldn't be counterfeiting
they shouldn't be counterfeiting	I shouldn't have counterfeited
you shouldn't have counterfeited
he shouldn't have counterfeited
we shouldn't have counterfeited
you shouldn't have counterfeited
they shouldn't have counterfeited	I shouldn't have been counterfeiting
you shouldn't have been counterfeiting
he shouldn't have been counterfeiting
we shouldn't have been counterfeiting
you shouldn't have been counterfeiting
they shouldn't have been counterfeiting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I counterfeit?
should you counterfeit?
should he counterfeit?
should we counterfeit?
should you counterfeit?
should they counterfeit? 	should I be counterfeiting?
should you be counterfeiting?
should he be counterfeiting?
should we be counterfeiting?
should you be counterfeiting?
should they be counterfeiting? 	should I have counterfeited?
should you have counterfeited?
should he have counterfeited?
should we have counterfeited?
should you have counterfeited?
should they have counterfeited? 	should I have been counterfeiting?
should you have been counterfeiting?
should he have been counterfeiting?
should we have been counterfeiting?
should you have been counterfeiting?
should they have been counterfeiting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I counterfeit?
shouldn't you counterfeit?
shouldn't he counterfeit?
shouldn't we counterfeit?
shouldn't you counterfeit?
shouldn't they counterfeit? 	shouldn't I be counterfeiting?
shouldn't you be counterfeiting?
shouldn't he be counterfeiting?
shouldn't we be counterfeiting?
shouldn't you be counterfeiting?
shouldn't they be counterfeiting? 	shouldn't I have counterfeited?
shouldn't you have counterfeited?
shouldn't he have counterfeited?
shouldn't we have counterfeited?
shouldn't you have counterfeited?
shouldn't they have counterfeited? 	shouldn't I have been counterfeiting?
shouldn't you have been counterfeiting?
shouldn't he have been counterfeiting?
shouldn't we have been counterfeiting?
shouldn't you have been counterfeiting?
shouldn't they have been counterfeiting?