could jack
Verbe régulier : jack - jacked- jacked
Traduction française : soulever avec un vérin - mettre sur cric 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could jack
you could jack
he could jack
we could jack
you could jack
they could jack 	I could be jacking
you could be jacking
he could be jacking
we could be jacking
you could be jacking
they could be jacking	I could have jacked
you could have jacked
he could have jacked
we could have jacked
you could have jacked
they could have jacked	I could have been jacking
you could have been jacking
he could have been jacking
we could have been jacking
you could have been jacking
they could have been jacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't jack
you couldn't jack
he couldn't jack
we couldn't jack
you couldn't jack
they couldn't jack 	I couldn't be jacking
you couldn't be jacking
he couldn't be jacking
we couldn't be jacking
you couldn't be jacking
they couldn't be jacking	I couldn't have jacked
you couldn't have jacked
he couldn't have jacked
we couldn't have jacked
you couldn't have jacked
they couldn't have jacked	I couldn't have been jacking
you couldn't have been jacking
he couldn't have been jacking
we couldn't have been jacking
you couldn't have been jacking
they couldn't have been jacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I jack?
could you jack?
could he jack?
could we jack?
could you jack?
could they jack? 	could I be jacking?
could you be jacking?
could he be jacking?
could we be jacking?
could you be jacking?
could they be jacking? 	could I have jacked?
could you have jacked?
could he have jacked?
could we have jacked?
could you have jacked?
could they have jacked? 	could I have been jacking?
could you have been jacking?
could he have been jacking?
could we have been jacking?
could you have been jacking?
could they have been jacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I jack?
couldn't you jack?
couldn't he jack?
couldn't we jack?
couldn't you jack?
couldn't they jack? 	couldn't I be jacking?
couldn't you be jacking?
couldn't he be jacking?
couldn't we be jacking?
couldn't you be jacking?
couldn't they be jacking? 	couldn't I have jacked?
couldn't you have jacked?
couldn't he have jacked?
couldn't we have jacked?
couldn't you have jacked?
couldn't they have jacked? 	couldn't I have been jacking?
couldn't you have been jacking?
couldn't he have been jacking?
couldn't we have been jacking?
couldn't you have been jacking?
couldn't they have been jacking?