can shack
Verbe régulier : shack - shacked- shacked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can shack
you can shack
he can shack
we can shack
you can shack
they can shack 	I can be shacking
you can be shacking
he can be shacking
we can be shacking
you can be shacking
they can be shacking	I can have shacked
you can have shacked
he can have shacked
we can have shacked
you can have shacked
they can have shacked	I can have been shacking
you can have been shacking
he can have been shacking
we can have been shacking
you can have been shacking
they can have been shacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot shack
you cannot shack
he cannot shack
we cannot shack
you cannot shack
they cannot shack 	I cannot be shacking
you cannot be shacking
he cannot be shacking
we cannot be shacking
you cannot be shacking
they cannot be shacking	I cannot have shacked
you cannot have shacked
he cannot have shacked
we cannot have shacked
you cannot have shacked
they cannot have shacked	I cannot have been shacking
you cannot have been shacking
he cannot have been shacking
we cannot have been shacking
you cannot have been shacking
they cannot have been shacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I shack?
can you shack?
can he shack?
can we shack?
can you shack?
can they shack? 	can I be shacking?
can you be shacking?
can he be shacking?
can we be shacking?
can you be shacking?
can they be shacking? 	can I have shacked?
can you have shacked?
can he have shacked?
can we have shacked?
can you have shacked?
can they have shacked? 	can I have been shacking?
can you have been shacking?
can he have been shacking?
can we have been shacking?
can you have been shacking?
can they have been shacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not shack?
can you not shack?
can he not shack?
can we not shack?
can you not shack?
can they not shack? 	can I not be shacking?
can you not be shacking?
can he not be shacking?
can we not be shacking?
can you not be shacking?
can they not be shacking? 	can I not have shacked?
can you not have shacked?
can he not have shacked?
can we not have shacked?
can you not have shacked?
can they not have shacked? 	can I not have been shacking?
can you not have been shacking?
can he not have been shacking?
can we not have been shacking?
can you not have been shacking?
can they not have been shacking?