could purfle
Verbe régulier : purfle - purfled- purfled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could purfle
you could purfle
he could purfle
we could purfle
you could purfle
they could purfle 	I could be purfling
you could be purfling
he could be purfling
we could be purfling
you could be purfling
they could be purfling	I could have purfled
you could have purfled
he could have purfled
we could have purfled
you could have purfled
they could have purfled	I could have been purfling
you could have been purfling
he could have been purfling
we could have been purfling
you could have been purfling
they could have been purfling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't purfle
you couldn't purfle
he couldn't purfle
we couldn't purfle
you couldn't purfle
they couldn't purfle 	I couldn't be purfling
you couldn't be purfling
he couldn't be purfling
we couldn't be purfling
you couldn't be purfling
they couldn't be purfling	I couldn't have purfled
you couldn't have purfled
he couldn't have purfled
we couldn't have purfled
you couldn't have purfled
they couldn't have purfled	I couldn't have been purfling
you couldn't have been purfling
he couldn't have been purfling
we couldn't have been purfling
you couldn't have been purfling
they couldn't have been purfling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I purfle?
could you purfle?
could he purfle?
could we purfle?
could you purfle?
could they purfle? 	could I be purfling?
could you be purfling?
could he be purfling?
could we be purfling?
could you be purfling?
could they be purfling? 	could I have purfled?
could you have purfled?
could he have purfled?
could we have purfled?
could you have purfled?
could they have purfled? 	could I have been purfling?
could you have been purfling?
could he have been purfling?
could we have been purfling?
could you have been purfling?
could they have been purfling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I purfle?
couldn't you purfle?
couldn't he purfle?
couldn't we purfle?
couldn't you purfle?
couldn't they purfle? 	couldn't I be purfling?
couldn't you be purfling?
couldn't he be purfling?
couldn't we be purfling?
couldn't you be purfling?
couldn't they be purfling? 	couldn't I have purfled?
couldn't you have purfled?
couldn't he have purfled?
couldn't we have purfled?
couldn't you have purfled?
couldn't they have purfled? 	couldn't I have been purfling?
couldn't you have been purfling?
couldn't he have been purfling?
couldn't we have been purfling?
couldn't you have been purfling?
couldn't they have been purfling?