should subspecialize
Regular verb: subspecialize - subspecialized- subspecialized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd subspecialize
you'd subspecialize
she'd subspecialize
we'd subspecialize
you'd subspecialize
they'd subspecialize 	I'd be subspecializing
you'd be subspecializing
she'd be subspecializing
we'd be subspecializing
you'd be subspecializing
they'd be subspecializing	I should've subspecialized
you should've subspecialized
she should've subspecialized
we should've subspecialized
you should've subspecialized
they should've subspecialized	I should've been subspecializing
you should've been subspecializing
she should've been subspecializing
we should've been subspecializing
you should've been subspecializing
they should've been subspecializing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't subspecialize
you shouldn't subspecialize
she shouldn't subspecialize
we shouldn't subspecialize
you shouldn't subspecialize
they shouldn't subspecialize 	I shouldn't be subspecializing
you shouldn't be subspecializing
she shouldn't be subspecializing
we shouldn't be subspecializing
you shouldn't be subspecializing
they shouldn't be subspecializing	I shouldn't have subspecialized
you shouldn't have subspecialized
she shouldn't have subspecialized
we shouldn't have subspecialized
you shouldn't have subspecialized
they shouldn't have subspecialized	I shouldn't have been subspecializing
you shouldn't have been subspecializing
she shouldn't have been subspecializing
we shouldn't have been subspecializing
you shouldn't have been subspecializing
they shouldn't have been subspecializing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I subspecialize?
should you subspecialize?
should she subspecialize?
should we subspecialize?
should you subspecialize?
should they subspecialize? 	should I be subspecializing?
should you be subspecializing?
should she be subspecializing?
should we be subspecializing?
should you be subspecializing?
should they be subspecializing? 	should I have subspecialized?
should you have subspecialized?
should she have subspecialized?
should we have subspecialized?
should you have subspecialized?
should they have subspecialized? 	should I have been subspecializing?
should you have been subspecializing?
should she have been subspecializing?
should we have been subspecializing?
should you have been subspecializing?
should they have been subspecializing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I subspecialize?
shouldn't you subspecialize?
shouldn't she subspecialize?
shouldn't we subspecialize?
shouldn't you subspecialize?
shouldn't they subspecialize? 	shouldn't I be subspecializing?
shouldn't you be subspecializing?
shouldn't she be subspecializing?
shouldn't we be subspecializing?
shouldn't you be subspecializing?
shouldn't they be subspecializing? 	shouldn't I have subspecialized?
shouldn't you have subspecialized?
shouldn't she have subspecialized?
shouldn't we have subspecialized?
shouldn't you have subspecialized?
shouldn't they have subspecialized? 	shouldn't I have been subspecializing?
shouldn't you have been subspecializing?
shouldn't she have been subspecializing?
shouldn't we have been subspecializing?
shouldn't you have been subspecializing?
shouldn't they have been subspecializing?