could simple
Verbe régulier : simple - simpled- simpled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could simple
you could simple
he could simple
we could simple
you could simple
they could simple 	I could be simpling
you could be simpling
he could be simpling
we could be simpling
you could be simpling
they could be simpling	I could have simpled
you could have simpled
he could have simpled
we could have simpled
you could have simpled
they could have simpled	I could have been simpling
you could have been simpling
he could have been simpling
we could have been simpling
you could have been simpling
they could have been simpling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't simple
you couldn't simple
he couldn't simple
we couldn't simple
you couldn't simple
they couldn't simple 	I couldn't be simpling
you couldn't be simpling
he couldn't be simpling
we couldn't be simpling
you couldn't be simpling
they couldn't be simpling	I couldn't have simpled
you couldn't have simpled
he couldn't have simpled
we couldn't have simpled
you couldn't have simpled
they couldn't have simpled	I couldn't have been simpling
you couldn't have been simpling
he couldn't have been simpling
we couldn't have been simpling
you couldn't have been simpling
they couldn't have been simpling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I simple?
could you simple?
could he simple?
could we simple?
could you simple?
could they simple? 	could I be simpling?
could you be simpling?
could he be simpling?
could we be simpling?
could you be simpling?
could they be simpling? 	could I have simpled?
could you have simpled?
could he have simpled?
could we have simpled?
could you have simpled?
could they have simpled? 	could I have been simpling?
could you have been simpling?
could he have been simpling?
could we have been simpling?
could you have been simpling?
could they have been simpling? 	

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