should counterfeit
Regular verb: counterfeit - counterfeited- counterfeited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd counterfeit
you'd counterfeit
she'd counterfeit
we'd counterfeit
you'd counterfeit
they'd counterfeit 	I'd be counterfeiting
you'd be counterfeiting
she'd be counterfeiting
we'd be counterfeiting
you'd be counterfeiting
they'd be counterfeiting	I should've counterfeited
you should've counterfeited
she 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
she 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
she 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
she 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
she 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
she 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 she counterfeit?
should we counterfeit?
should you counterfeit?
should they counterfeit? 	should I be counterfeiting?
should you be counterfeiting?
should she be counterfeiting?
should we be counterfeiting?
should you be counterfeiting?
should they be counterfeiting? 	should I have counterfeited?
should you have counterfeited?
should she 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 she 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 she 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 she 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 she 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 she have been counterfeiting?
shouldn't we have been counterfeiting?
shouldn't you have been counterfeiting?
shouldn't they have been counterfeiting?