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
she could vial
we could vial
you could vial
they could vial 	I could be vialing
you could be vialing
she could be vialing
we could be vialing
you could be vialing
they could be vialing	I could have vialed
you could have vialed
she 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
she 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
she 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
she 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
she 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
she 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 she vial?
could we vial?
could you vial?
could they vial? 	could I be vialing?
could you be vialing?
could she be vialing?
could we be vialing?
could you be vialing?
could they be vialing? 	could I have vialed?
could you have vialed?
could she 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 she 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 she 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 she 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 she 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 she have been vialing?
couldn't we have been vialing?
couldn't you have been vialing?
couldn't they have been vialing?