could service
Verbe régulier : service - serviced- serviced
Traduction française : réviser - assurer le service de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could service
you could service
he could service
we could service
you could service
they could service 	I could be servicing
you could be servicing
he could be servicing
we could be servicing
you could be servicing
they could be servicing	I could have serviced
you could have serviced
he 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
he could have been servicing
we could have been servicing
you could have been servicing
they could have been servicing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't service
you couldn't service
he 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
he 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
he 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
he couldn't have been servicing
we couldn't have been servicing
you couldn't have been servicing
they couldn't have been servicing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I service?
could you service?
could he service?
could we service?
could you service?
could they service? 	could I be servicing?
could you be servicing?
could he be servicing?
could we be servicing?
could you be servicing?
could they be servicing? 	could I have serviced?
could you have serviced?
could he 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 he have been servicing?
could we have been servicing?
could you have been servicing?
could they have been servicing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I service?
couldn't you service?
couldn't he 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 he 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 he 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 he have been servicing?
couldn't we have been servicing?
couldn't you have been servicing?
couldn't they have been servicing?