could superrefine
Verbe régulier : superrefine - superrefined- superrefined

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could superrefine
you could superrefine
she could superrefine
we could superrefine
you could superrefine
they could superrefine 	I could be superrefining
you could be superrefining
she could be superrefining
we could be superrefining
you could be superrefining
they could be superrefining	I could have superrefined
you could have superrefined
she could have superrefined
we could have superrefined
you could have superrefined
they could have superrefined	I could have been superrefining
you could have been superrefining
she could have been superrefining
we could have been superrefining
you could have been superrefining
they could have been superrefining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't superrefine
you couldn't superrefine
she couldn't superrefine
we couldn't superrefine
you couldn't superrefine
they couldn't superrefine 	I couldn't be superrefining
you couldn't be superrefining
she couldn't be superrefining
we couldn't be superrefining
you couldn't be superrefining
they couldn't be superrefining	I couldn't have superrefined
you couldn't have superrefined
she couldn't have superrefined
we couldn't have superrefined
you couldn't have superrefined
they couldn't have superrefined	I couldn't have been superrefining
you couldn't have been superrefining
she couldn't have been superrefining
we couldn't have been superrefining
you couldn't have been superrefining
they couldn't have been superrefining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I superrefine?
could you superrefine?
could she superrefine?
could we superrefine?
could you superrefine?
could they superrefine? 	could I be superrefining?
could you be superrefining?
could she be superrefining?
could we be superrefining?
could you be superrefining?
could they be superrefining? 	could I have superrefined?
could you have superrefined?
could she have superrefined?
could we have superrefined?
could you have superrefined?
could they have superrefined? 	could I have been superrefining?
could you have been superrefining?
could she have been superrefining?
could we have been superrefining?
could you have been superrefining?
could they have been superrefining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I superrefine?
couldn't you superrefine?
couldn't she superrefine?
couldn't we superrefine?
couldn't you superrefine?
couldn't they superrefine? 	couldn't I be superrefining?
couldn't you be superrefining?
couldn't she be superrefining?
couldn't we be superrefining?
couldn't you be superrefining?
couldn't they be superrefining? 	couldn't I have superrefined?
couldn't you have superrefined?
couldn't she have superrefined?
couldn't we have superrefined?
couldn't you have superrefined?
couldn't they have superrefined? 	couldn't I have been superrefining?
couldn't you have been superrefining?
couldn't she have been superrefining?
couldn't we have been superrefining?
couldn't you have been superrefining?
couldn't they have been superrefining?