could purl
Verbe régulier : purl - purled- purled
Traduction française : tricoter à l'envers 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could purl
you could purl
she could purl
we could purl
you could purl
they could purl 	I could be purling
you could be purling
she could be purling
we could be purling
you could be purling
they could be purling	I could have purled
you could have purled
she could have purled
we could have purled
you could have purled
they could have purled	I could have been purling
you could have been purling
she could have been purling
we could have been purling
you could have been purling
they could have been purling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't purl
you couldn't purl
she couldn't purl
we couldn't purl
you couldn't purl
they couldn't purl 	I couldn't be purling
you couldn't be purling
she couldn't be purling
we couldn't be purling
you couldn't be purling
they couldn't be purling	I couldn't have purled
you couldn't have purled
she couldn't have purled
we couldn't have purled
you couldn't have purled
they couldn't have purled	I couldn't have been purling
you couldn't have been purling
she couldn't have been purling
we couldn't have been purling
you couldn't have been purling
they couldn't have been purling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I purl?
could you purl?
could she purl?
could we purl?
could you purl?
could they purl? 	could I be purling?
could you be purling?
could she be purling?
could we be purling?
could you be purling?
could they be purling? 	could I have purled?
could you have purled?
could she have purled?
could we have purled?
could you have purled?
could they have purled? 	could I have been purling?
could you have been purling?
could she have been purling?
could we have been purling?
could you have been purling?
could they have been purling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I purl?
couldn't you purl?
couldn't she purl?
couldn't we purl?
couldn't you purl?
couldn't they purl? 	couldn't I be purling?
couldn't you be purling?
couldn't she be purling?
couldn't we be purling?
couldn't you be purling?
couldn't they be purling? 	couldn't I have purled?
couldn't you have purled?
couldn't she have purled?
couldn't we have purled?
couldn't you have purled?
couldn't they have purled? 	couldn't I have been purling?
couldn't you have been purling?
couldn't she have been purling?
couldn't we have been purling?
couldn't you have been purling?
couldn't they have been purling?