could foul
Verbe régulier : foul - fouled- fouled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could foul
you could foul
he could foul
we could foul
you could foul
they could foul 	I could be fouling
you could be fouling
he could be fouling
we could be fouling
you could be fouling
they could be fouling	I could have fouled
you could have fouled
he could have fouled
we could have fouled
you could have fouled
they could have fouled	I could have been fouling
you could have been fouling
he could have been fouling
we could have been fouling
you could have been fouling
they could have been fouling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't foul
you couldn't foul
he couldn't foul
we couldn't foul
you couldn't foul
they couldn't foul 	I couldn't be fouling
you couldn't be fouling
he couldn't be fouling
we couldn't be fouling
you couldn't be fouling
they couldn't be fouling	I couldn't have fouled
you couldn't have fouled
he couldn't have fouled
we couldn't have fouled
you couldn't have fouled
they couldn't have fouled	I couldn't have been fouling
you couldn't have been fouling
he couldn't have been fouling
we couldn't have been fouling
you couldn't have been fouling
they couldn't have been fouling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I foul?
could you foul?
could he foul?
could we foul?
could you foul?
could they foul? 	could I be fouling?
could you be fouling?
could he be fouling?
could we be fouling?
could you be fouling?
could they be fouling? 	could I have fouled?
could you have fouled?
could he have fouled?
could we have fouled?
could you have fouled?
could they have fouled? 	could I have been fouling?
could you have been fouling?
could he have been fouling?
could we have been fouling?
could you have been fouling?
could they have been fouling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I foul?
couldn't you foul?
couldn't he foul?
couldn't we foul?
couldn't you foul?
couldn't they foul? 	couldn't I be fouling?
couldn't you be fouling?
couldn't he be fouling?
couldn't we be fouling?
couldn't you be fouling?
couldn't they be fouling? 	couldn't I have fouled?
couldn't you have fouled?
couldn't he have fouled?
couldn't we have fouled?
couldn't you have fouled?
couldn't they have fouled? 	couldn't I have been fouling?
couldn't you have been fouling?
couldn't he have been fouling?
couldn't we have been fouling?
couldn't you have been fouling?
couldn't they have been fouling?