can jack
Verbo regolare: jack - jacked- jacked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can jack
you can jack
he can jack
we can jack
you can jack
they can jack 	I can be jacking
you can be jacking
he can be jacking
we can be jacking
you can be jacking
they can be jacking	I can have jacked
you can have jacked
he can have jacked
we can have jacked
you can have jacked
they can have jacked	I can have been jacking
you can have been jacking
he can have been jacking
we can have been jacking
you can have been jacking
they can have been jacking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't jack
you can't jack
he can't jack
we can't jack
you can't jack
they can't jack 	I can't be jacking
you can't be jacking
he can't be jacking
we can't be jacking
you can't be jacking
they can't be jacking	I can't have jacked
you can't have jacked
he can't have jacked
we can't have jacked
you can't have jacked
they can't have jacked	I can't have been jacking
you can't have been jacking
he can't have been jacking
we can't have been jacking
you can't have been jacking
they can't have been jacking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I jack?
can you jack?
can he jack?
can we jack?
can you jack?
can they jack? 	can I be jacking?
can you be jacking?
can he be jacking?
can we be jacking?
can you be jacking?
can they be jacking? 	can I have jacked?
can you have jacked?
can he have jacked?
can we have jacked?
can you have jacked?
can they have jacked? 	can I have been jacking?
can you have been jacking?
can he have been jacking?
can we have been jacking?
can you have been jacking?
can they have been jacking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I jack?
can't you jack?
can't he jack?
can't we jack?
can't you jack?
can't they jack? 	can't I be jacking?
can't you be jacking?
can't he be jacking?
can't we be jacking?
can't you be jacking?
can't they be jacking? 	can't I have jacked?
can't you have jacked?
can't he have jacked?
can't we have jacked?
can't you have jacked?
can't they have jacked? 	can't I have been jacking?
can't you have been jacking?
can't he have been jacking?
can't we have been jacking?
can't you have been jacking?
can't they have been jacking?