could vat
Verbe régulier : vat - vatted- vatted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could vat
you could vat
she could vat
we could vat
you could vat
they could vat 	I could be vatting
you could be vatting
she could be vatting
we could be vatting
you could be vatting
they could be vatting	I could have vatted
you could have vatted
she could have vatted
we could have vatted
you could have vatted
they could have vatted	I could have been vatting
you could have been vatting
she could have been vatting
we could have been vatting
you could have been vatting
they could have been vatting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't vat
you couldn't vat
she couldn't vat
we couldn't vat
you couldn't vat
they couldn't vat 	I couldn't be vatting
you couldn't be vatting
she couldn't be vatting
we couldn't be vatting
you couldn't be vatting
they couldn't be vatting	I couldn't have vatted
you couldn't have vatted
she couldn't have vatted
we couldn't have vatted
you couldn't have vatted
they couldn't have vatted	I couldn't have been vatting
you couldn't have been vatting
she couldn't have been vatting
we couldn't have been vatting
you couldn't have been vatting
they couldn't have been vatting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I vat?
could you vat?
could she vat?
could we vat?
could you vat?
could they vat? 	could I be vatting?
could you be vatting?
could she be vatting?
could we be vatting?
could you be vatting?
could they be vatting? 	could I have vatted?
could you have vatted?
could she have vatted?
could we have vatted?
could you have vatted?
could they have vatted? 	could I have been vatting?
could you have been vatting?
could she have been vatting?
could we have been vatting?
could you have been vatting?
could they have been vatting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I vat?
couldn't you vat?
couldn't she vat?
couldn't we vat?
couldn't you vat?
couldn't they vat? 	couldn't I be vatting?
couldn't you be vatting?
couldn't she be vatting?
couldn't we be vatting?
couldn't you be vatting?
couldn't they be vatting? 	couldn't I have vatted?
couldn't you have vatted?
couldn't she have vatted?
couldn't we have vatted?
couldn't you have vatted?
couldn't they have vatted? 	couldn't I have been vatting?
couldn't you have been vatting?
couldn't she have been vatting?
couldn't we have been vatting?
couldn't you have been vatting?
couldn't they have been vatting?