could vial
Verbe régulier : vial - vialed- vialed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could vial
you could vial
he could vial
we could vial
you could vial
they could vial 	I could be vialing
you could be vialing
he could be vialing
we could be vialing
you could be vialing
they could be vialing	I could have vialed
you could have vialed
he could have vialed
we could have vialed
you could have vialed
they could have vialed	I could have been vialing
you could have been vialing
he could have been vialing
we could have been vialing
you could have been vialing
they could have been vialing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't vial
you couldn't vial
he couldn't vial
we couldn't vial
you couldn't vial
they couldn't vial 	I couldn't be vialing
you couldn't be vialing
he couldn't be vialing
we couldn't be vialing
you couldn't be vialing
they couldn't be vialing	I couldn't have vialed
you couldn't have vialed
he couldn't have vialed
we couldn't have vialed
you couldn't have vialed
they couldn't have vialed	I couldn't have been vialing
you couldn't have been vialing
he couldn't have been vialing
we couldn't have been vialing
you couldn't have been vialing
they couldn't have been vialing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I vial?
could you vial?
could he vial?
could we vial?
could you vial?
could they vial? 	could I be vialing?
could you be vialing?
could he be vialing?
could we be vialing?
could you be vialing?
could they be vialing? 	could I have vialed?
could you have vialed?
could he have vialed?
could we have vialed?
could you have vialed?
could they have vialed? 	could I have been vialing?
could you have been vialing?
could he have been vialing?
could we have been vialing?
could you have been vialing?
could they have been vialing? 	

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