could service
Regelmä&szlig;iges Verb: service - serviced- serviced

Bestätigung 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I could service
you could service
she could service
we could service
you could service
they could service 	I could be servicing
you could be servicing
she could be servicing
we could be servicing
you could be servicing
they could be servicing	I could have serviced
you could have serviced
she could have serviced
we could have serviced
you could have serviced
they could have serviced	I could have been servicing
you could have been servicing
she could have been servicing
we could have been servicing
you could have been servicing
they could have been servicing	

Negation 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
I couldn't service
you couldn't service
she couldn't service
we couldn't service
you couldn't service
they couldn't service 	I couldn't be servicing
you couldn't be servicing
she couldn't be servicing
we couldn't be servicing
you couldn't be servicing
they couldn't be servicing	I couldn't have serviced
you couldn't have serviced
she couldn't have serviced
we couldn't have serviced
you couldn't have serviced
they couldn't have serviced	I couldn't have been servicing
you couldn't have been servicing
she couldn't have been servicing
we couldn't have been servicing
you couldn't have been servicing
they couldn't have been servicing	

Fragende Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
could I service?
could you service?
could she service?
could we service?
could you service?
could they service? 	could I be servicing?
could you be servicing?
could she be servicing?
could we be servicing?
could you be servicing?
could they be servicing? 	could I have serviced?
could you have serviced?
could she have serviced?
could we have serviced?
could you have serviced?
could they have serviced? 	could I have been servicing?
could you have been servicing?
could she have been servicing?
could we have been servicing?
could you have been servicing?
could they have been servicing? 	

Fragende Negation Form 	
Einfache Form 	Form mit V-ing 	Perfekt 	Perfekt mit V-ing 	
couldn't I service?
couldn't you service?
couldn't she service?
couldn't we service?
couldn't you service?
couldn't they service? 	couldn't I be servicing?
couldn't you be servicing?
couldn't she be servicing?
couldn't we be servicing?
couldn't you be servicing?
couldn't they be servicing? 	couldn't I have serviced?
couldn't you have serviced?
couldn't she have serviced?
couldn't we have serviced?
couldn't you have serviced?
couldn't they have serviced? 	couldn't I have been servicing?
couldn't you have been servicing?
couldn't she have been servicing?
couldn't we have been servicing?
couldn't you have been servicing?
couldn't they have been servicing?