could ret
Verbe régulier : ret - retted- retted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could ret
you could ret
she could ret
we could ret
you could ret
they could ret 	I could be retting
you could be retting
she could be retting
we could be retting
you could be retting
they could be retting	I could have retted
you could have retted
she could have retted
we could have retted
you could have retted
they could have retted	I could have been retting
you could have been retting
she could have been retting
we could have been retting
you could have been retting
they could have been retting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't ret
you couldn't ret
she couldn't ret
we couldn't ret
you couldn't ret
they couldn't ret 	I couldn't be retting
you couldn't be retting
she couldn't be retting
we couldn't be retting
you couldn't be retting
they couldn't be retting	I couldn't have retted
you couldn't have retted
she couldn't have retted
we couldn't have retted
you couldn't have retted
they couldn't have retted	I couldn't have been retting
you couldn't have been retting
she couldn't have been retting
we couldn't have been retting
you couldn't have been retting
they couldn't have been retting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I ret?
could you ret?
could she ret?
could we ret?
could you ret?
could they ret? 	could I be retting?
could you be retting?
could she be retting?
could we be retting?
could you be retting?
could they be retting? 	could I have retted?
could you have retted?
could she have retted?
could we have retted?
could you have retted?
could they have retted? 	could I have been retting?
could you have been retting?
could she have been retting?
could we have been retting?
could you have been retting?
could they have been retting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I ret?
couldn't you ret?
couldn't she ret?
couldn't we ret?
couldn't you ret?
couldn't they ret? 	couldn't I be retting?
couldn't you be retting?
couldn't she be retting?
couldn't we be retting?
couldn't you be retting?
couldn't they be retting? 	couldn't I have retted?
couldn't you have retted?
couldn't she have retted?
couldn't we have retted?
couldn't you have retted?
couldn't they have retted? 	couldn't I have been retting?
couldn't you have been retting?
couldn't she have been retting?
couldn't we have been retting?
couldn't you have been retting?
couldn't they have been retting?