could joy
Verbe régulier : joy - joyed- joyed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could joy
you could joy
she could joy
we could joy
you could joy
they could joy 	I could be joying
you could be joying
she could be joying
we could be joying
you could be joying
they could be joying	I could have joyed
you could have joyed
she could have joyed
we could have joyed
you could have joyed
they could have joyed	I could have been joying
you could have been joying
she could have been joying
we could have been joying
you could have been joying
they could have been joying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't joy
you couldn't joy
she couldn't joy
we couldn't joy
you couldn't joy
they couldn't joy 	I couldn't be joying
you couldn't be joying
she couldn't be joying
we couldn't be joying
you couldn't be joying
they couldn't be joying	I couldn't have joyed
you couldn't have joyed
she couldn't have joyed
we couldn't have joyed
you couldn't have joyed
they couldn't have joyed	I couldn't have been joying
you couldn't have been joying
she couldn't have been joying
we couldn't have been joying
you couldn't have been joying
they couldn't have been joying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I joy?
could you joy?
could she joy?
could we joy?
could you joy?
could they joy? 	could I be joying?
could you be joying?
could she be joying?
could we be joying?
could you be joying?
could they be joying? 	could I have joyed?
could you have joyed?
could she have joyed?
could we have joyed?
could you have joyed?
could they have joyed? 	could I have been joying?
could you have been joying?
could she have been joying?
could we have been joying?
could you have been joying?
could they have been joying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I joy?
couldn't you joy?
couldn't she joy?
couldn't we joy?
couldn't you joy?
couldn't they joy? 	couldn't I be joying?
couldn't you be joying?
couldn't she be joying?
couldn't we be joying?
couldn't you be joying?
couldn't they be joying? 	couldn't I have joyed?
couldn't you have joyed?
couldn't she have joyed?
couldn't we have joyed?
couldn't you have joyed?
couldn't they have joyed? 	couldn't I have been joying?
couldn't you have been joying?
couldn't she have been joying?
couldn't we have been joying?
couldn't you have been joying?
couldn't they have been joying?