could restack
Verbe régulier : restack - restacked- restacked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could restack
you could restack
he could restack
we could restack
you could restack
they could restack 	I could be restacking
you could be restacking
he could be restacking
we could be restacking
you could be restacking
they could be restacking	I could have restacked
you could have restacked
he could have restacked
we could have restacked
you could have restacked
they could have restacked	I could have been restacking
you could have been restacking
he could have been restacking
we could have been restacking
you could have been restacking
they could have been restacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not restack
you could not restack
he could not restack
we could not restack
you could not restack
they could not restack 	I could not be restacking
you could not be restacking
he could not be restacking
we could not be restacking
you could not be restacking
they could not be restacking	I could not have restacked
you could not have restacked
he could not have restacked
we could not have restacked
you could not have restacked
they could not have restacked	I could not have been restacking
you could not have been restacking
he could not have been restacking
we could not have been restacking
you could not have been restacking
they could not have been restacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I restack?
could you restack?
could he restack?
could we restack?
could you restack?
could they restack? 	could I be restacking?
could you be restacking?
could he be restacking?
could we be restacking?
could you be restacking?
could they be restacking? 	could I have restacked?
could you have restacked?
could he have restacked?
could we have restacked?
could you have restacked?
could they have restacked? 	could I have been restacking?
could you have been restacking?
could he have been restacking?
could we have been restacking?
could you have been restacking?
could they have been restacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not restack?
could you not restack?
could he not restack?
could we not restack?
could you not restack?
could they not restack? 	could I not be restacking?
could you not be restacking?
could he not be restacking?
could we not be restacking?
could you not be restacking?
could they not be restacking? 	could I not have restacked?
could you not have restacked?
could he not have restacked?
could we not have restacked?
could you not have restacked?
could they not have restacked? 	could I not have been restacking?
could you not have been restacking?
could he not have been restacking?
could we not have been restacking?
could you not have been restacking?
could they not have been restacking?