should restack
Regular verb: restack - restacked- restacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd restack
you'd restack
she'd restack
we'd restack
you'd restack
they'd restack 	I'd be restacking
you'd be restacking
she'd be restacking
we'd be restacking
you'd be restacking
they'd be restacking	I should've restacked
you should've restacked
she should've restacked
we should've restacked
you should've restacked
they should've restacked	I should've been restacking
you should've been restacking
she should've been restacking
we should've been restacking
you should've been restacking
they should've been restacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't restack
you shouldn't restack
she shouldn't restack
we shouldn't restack
you shouldn't restack
they shouldn't restack 	I shouldn't be restacking
you shouldn't be restacking
she shouldn't be restacking
we shouldn't be restacking
you shouldn't be restacking
they shouldn't be restacking	I shouldn't have restacked
you shouldn't have restacked
she shouldn't have restacked
we shouldn't have restacked
you shouldn't have restacked
they shouldn't have restacked	I shouldn't have been restacking
you shouldn't have been restacking
she shouldn't have been restacking
we shouldn't have been restacking
you shouldn't have been restacking
they shouldn't have been restacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I restack?
should you restack?
should she restack?
should we restack?
should you restack?
should they restack? 	should I be restacking?
should you be restacking?
should she be restacking?
should we be restacking?
should you be restacking?
should they be restacking? 	should I have restacked?
should you have restacked?
should she have restacked?
should we have restacked?
should you have restacked?
should they have restacked? 	should I have been restacking?
should you have been restacking?
should she have been restacking?
should we have been restacking?
should you have been restacking?
should they have been restacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I restack?
shouldn't you restack?
shouldn't she restack?
shouldn't we restack?
shouldn't you restack?
shouldn't they restack? 	shouldn't I be restacking?
shouldn't you be restacking?
shouldn't she be restacking?
shouldn't we be restacking?
shouldn't you be restacking?
shouldn't they be restacking? 	shouldn't I have restacked?
shouldn't you have restacked?
shouldn't she have restacked?
shouldn't we have restacked?
shouldn't you have restacked?
shouldn't they have restacked? 	shouldn't I have been restacking?
shouldn't you have been restacking?
shouldn't she have been restacking?
shouldn't we have been restacking?
shouldn't you have been restacking?
shouldn't they have been restacking?