could shack
Verbo regolare: shack - shacked- shacked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could shack
you could shack
she could shack
we could shack
you could shack
they could shack 	I could be shacking
you could be shacking
she could be shacking
we could be shacking
you could be shacking
they could be shacking	I could have shacked
you could have shacked
she could have shacked
we could have shacked
you could have shacked
they could have shacked	I could have been shacking
you could have been shacking
she could have been shacking
we could have been shacking
you could have been shacking
they could have been shacking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not shack
you could not shack
she could not shack
we could not shack
you could not shack
they could not shack 	I could not be shacking
you could not be shacking
she could not be shacking
we could not be shacking
you could not be shacking
they could not be shacking	I could not have shacked
you could not have shacked
she could not have shacked
we could not have shacked
you could not have shacked
they could not have shacked	I could not have been shacking
you could not have been shacking
she could not have been shacking
we could not have been shacking
you could not have been shacking
they could not have been shacking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I shack?
could you shack?
could she shack?
could we shack?
could you shack?
could they shack? 	could I be shacking?
could you be shacking?
could she be shacking?
could we be shacking?
could you be shacking?
could they be shacking? 	could I have shacked?
could you have shacked?
could she have shacked?
could we have shacked?
could you have shacked?
could they have shacked? 	could I have been shacking?
could you have been shacking?
could she have been shacking?
could we have been shacking?
could you have been shacking?
could they have been shacking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not shack?
could you not shack?
could she not shack?
could we not shack?
could you not shack?
could they not shack? 	could I not be shacking?
could you not be shacking?
could she not be shacking?
could we not be shacking?
could you not be shacking?
could they not be shacking? 	could I not have shacked?
could you not have shacked?
could she not have shacked?
could we not have shacked?
could you not have shacked?
could they not have shacked? 	could I not have been shacking?
could you not have been shacking?
could she not have been shacking?
could we not have been shacking?
could you not have been shacking?
could they not have been shacking?