could prose
Verbe régulier : prose - prosed- prosed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could prose
you could prose
he could prose
we could prose
you could prose
they could prose 	I could be prosing
you could be prosing
he could be prosing
we could be prosing
you could be prosing
they could be prosing	I could have prosed
you could have prosed
he could have prosed
we could have prosed
you could have prosed
they could have prosed	I could have been prosing
you could have been prosing
he could have been prosing
we could have been prosing
you could have been prosing
they could have been prosing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't prose
you couldn't prose
he couldn't prose
we couldn't prose
you couldn't prose
they couldn't prose 	I couldn't be prosing
you couldn't be prosing
he couldn't be prosing
we couldn't be prosing
you couldn't be prosing
they couldn't be prosing	I couldn't have prosed
you couldn't have prosed
he couldn't have prosed
we couldn't have prosed
you couldn't have prosed
they couldn't have prosed	I couldn't have been prosing
you couldn't have been prosing
he couldn't have been prosing
we couldn't have been prosing
you couldn't have been prosing
they couldn't have been prosing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I prose?
could you prose?
could he prose?
could we prose?
could you prose?
could they prose? 	could I be prosing?
could you be prosing?
could he be prosing?
could we be prosing?
could you be prosing?
could they be prosing? 	could I have prosed?
could you have prosed?
could he have prosed?
could we have prosed?
could you have prosed?
could they have prosed? 	could I have been prosing?
could you have been prosing?
could he have been prosing?
could we have been prosing?
could you have been prosing?
could they have been prosing? 	

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