could serve
Verbe régulier : serve - served- served
Traduction française : servir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could serve
you could serve
she could serve
we could serve
you could serve
they could serve 	I could be serving
you could be serving
she could be serving
we could be serving
you could be serving
they could be serving	I could have served
you could have served
she could have served
we could have served
you could have served
they could have served	I could have been serving
you could have been serving
she could have been serving
we could have been serving
you could have been serving
they could have been serving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't serve
you couldn't serve
she couldn't serve
we couldn't serve
you couldn't serve
they couldn't serve 	I couldn't be serving
you couldn't be serving
she couldn't be serving
we couldn't be serving
you couldn't be serving
they couldn't be serving	I couldn't have served
you couldn't have served
she couldn't have served
we couldn't have served
you couldn't have served
they couldn't have served	I couldn't have been serving
you couldn't have been serving
she couldn't have been serving
we couldn't have been serving
you couldn't have been serving
they couldn't have been serving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I serve?
could you serve?
could she serve?
could we serve?
could you serve?
could they serve? 	could I be serving?
could you be serving?
could she be serving?
could we be serving?
could you be serving?
could they be serving? 	could I have served?
could you have served?
could she have served?
could we have served?
could you have served?
could they have served? 	could I have been serving?
could you have been serving?
could she have been serving?
could we have been serving?
could you have been serving?
could they have been serving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I serve?
couldn't you serve?
couldn't she serve?
couldn't we serve?
couldn't you serve?
couldn't they serve? 	couldn't I be serving?
couldn't you be serving?
couldn't she be serving?
couldn't we be serving?
couldn't you be serving?
couldn't they be serving? 	couldn't I have served?
couldn't you have served?
couldn't she have served?
couldn't we have served?
couldn't you have served?
couldn't they have served? 	couldn't I have been serving?
couldn't you have been serving?
couldn't she have been serving?
couldn't we have been serving?
couldn't you have been serving?
couldn't they have been serving?