could cat
Verbe régulier : cat - cated- cated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could cat
you could cat
he could cat
we could cat
you could cat
they could cat 	I could be cating
you could be cating
he could be cating
we could be cating
you could be cating
they could be cating	I could have cated
you could have cated
he could have cated
we could have cated
you could have cated
they could have cated	I could have been cating
you could have been cating
he could have been cating
we could have been cating
you could have been cating
they could have been cating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't cat
you couldn't cat
he couldn't cat
we couldn't cat
you couldn't cat
they couldn't cat 	I couldn't be cating
you couldn't be cating
he couldn't be cating
we couldn't be cating
you couldn't be cating
they couldn't be cating	I couldn't have cated
you couldn't have cated
he couldn't have cated
we couldn't have cated
you couldn't have cated
they couldn't have cated	I couldn't have been cating
you couldn't have been cating
he couldn't have been cating
we couldn't have been cating
you couldn't have been cating
they couldn't have been cating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I cat?
could you cat?
could he cat?
could we cat?
could you cat?
could they cat? 	could I be cating?
could you be cating?
could he be cating?
could we be cating?
could you be cating?
could they be cating? 	could I have cated?
could you have cated?
could he have cated?
could we have cated?
could you have cated?
could they have cated? 	could I have been cating?
could you have been cating?
could he have been cating?
could we have been cating?
could you have been cating?
could they have been cating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I cat?
couldn't you cat?
couldn't he cat?
couldn't we cat?
couldn't you cat?
couldn't they cat? 	couldn't I be cating?
couldn't you be cating?
couldn't he be cating?
couldn't we be cating?
couldn't you be cating?
couldn't they be cating? 	couldn't I have cated?
couldn't you have cated?
couldn't he have cated?
couldn't we have cated?
couldn't you have cated?
couldn't they have cated? 	couldn't I have been cating?
couldn't you have been cating?
couldn't he have been cating?
couldn't we have been cating?
couldn't you have been cating?
couldn't they have been cating?