should service
Regular verb: service - serviced- serviced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd service
you'd service
he'd service
we'd service
you'd service
they'd service 	I'd be servicing
you'd be servicing
he'd be servicing
we'd be servicing
you'd be servicing
they'd be servicing	I should've serviced
you should've serviced
he should've serviced
we should've serviced
you should've serviced
they should've serviced	I should've been servicing
you should've been servicing
he should've been servicing
we should've been servicing
you should've been servicing
they should've been servicing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't service
you shouldn't service
he shouldn't service
we shouldn't service
you shouldn't service
they shouldn't service 	I shouldn't be servicing
you shouldn't be servicing
he shouldn't be servicing
we shouldn't be servicing
you shouldn't be servicing
they shouldn't be servicing	I shouldn't have serviced
you shouldn't have serviced
he shouldn't have serviced
we shouldn't have serviced
you shouldn't have serviced
they shouldn't have serviced	I shouldn't have been servicing
you shouldn't have been servicing
he shouldn't have been servicing
we shouldn't have been servicing
you shouldn't have been servicing
they shouldn't have been servicing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I service?
should you service?
should he service?
should we service?
should you service?
should they service? 	should I be servicing?
should you be servicing?
should he be servicing?
should we be servicing?
should you be servicing?
should they be servicing? 	should I have serviced?
should you have serviced?
should he have serviced?
should we have serviced?
should you have serviced?
should they have serviced? 	should I have been servicing?
should you have been servicing?
should he have been servicing?
should we have been servicing?
should you have been servicing?
should they have been servicing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I service?
shouldn't you service?
shouldn't he service?
shouldn't we service?
shouldn't you service?
shouldn't they service? 	shouldn't I be servicing?
shouldn't you be servicing?
shouldn't he be servicing?
shouldn't we be servicing?
shouldn't you be servicing?
shouldn't they be servicing? 	shouldn't I have serviced?
shouldn't you have serviced?
shouldn't he have serviced?
shouldn't we have serviced?
shouldn't you have serviced?
shouldn't they have serviced? 	shouldn't I have been servicing?
shouldn't you have been servicing?
shouldn't he have been servicing?
shouldn't we have been servicing?
shouldn't you have been servicing?
shouldn't they have been servicing?