could flat
Verbe régulier : flat - flated- flated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could flat
you could flat
he could flat
we could flat
you could flat
they could flat 	I could be flating
you could be flating
he could be flating
we could be flating
you could be flating
they could be flating	I could have flated
you could have flated
he could have flated
we could have flated
you could have flated
they could have flated	I could have been flating
you could have been flating
he could have been flating
we could have been flating
you could have been flating
they could have been flating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't flat
you couldn't flat
he couldn't flat
we couldn't flat
you couldn't flat
they couldn't flat 	I couldn't be flating
you couldn't be flating
he couldn't be flating
we couldn't be flating
you couldn't be flating
they couldn't be flating	I couldn't have flated
you couldn't have flated
he couldn't have flated
we couldn't have flated
you couldn't have flated
they couldn't have flated	I couldn't have been flating
you couldn't have been flating
he couldn't have been flating
we couldn't have been flating
you couldn't have been flating
they couldn't have been flating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I flat?
could you flat?
could he flat?
could we flat?
could you flat?
could they flat? 	could I be flating?
could you be flating?
could he be flating?
could we be flating?
could you be flating?
could they be flating? 	could I have flated?
could you have flated?
could he have flated?
could we have flated?
could you have flated?
could they have flated? 	could I have been flating?
could you have been flating?
could he have been flating?
could we have been flating?
could you have been flating?
could they have been flating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I flat?
couldn't you flat?
couldn't he flat?
couldn't we flat?
couldn't you flat?
couldn't they flat? 	couldn't I be flating?
couldn't you be flating?
couldn't he be flating?
couldn't we be flating?
couldn't you be flating?
couldn't they be flating? 	couldn't I have flated?
couldn't you have flated?
couldn't he have flated?
couldn't we have flated?
couldn't you have flated?
couldn't they have flated? 	couldn't I have been flating?
couldn't you have been flating?
couldn't he have been flating?
couldn't we have been flating?
couldn't you have been flating?
couldn't they have been flating?