I'd be shacking you'd be shacking she'd be shacking we'd be shacking you'd be shacking they'd be shacking
Perfect
I should've shacked you should've shacked she should've shacked we should've shacked you should've shacked they should've shacked
V-ing perfect
I should've been shacking you should've been shacking she should've been shacking we should've been shacking you should've been shacking they should've been shacking
Negation
Simple form
I shouldn't shack you shouldn't shack she shouldn't shack we shouldn't shack you shouldn't shack they shouldn't shack
V-ing form
I shouldn't be shacking you shouldn't be shacking she shouldn't be shacking we shouldn't be shacking you shouldn't be shacking they shouldn't be shacking
Perfect
I shouldn't have shacked you shouldn't have shacked she shouldn't have shacked we shouldn't have shacked you shouldn't have shacked they shouldn't have shacked
V-ing perfect
I shouldn't have been shacking you shouldn't have been shacking she shouldn't have been shacking we shouldn't have been shacking you shouldn't have been shacking they shouldn't have been shacking
Interrogative form
Simple form
should I shack? should you shack? should she shack? should we shack? should you shack? should they shack?
V-ing form
should I be shacking? should you be shacking? should she be shacking? should we be shacking? should you be shacking? should they be shacking?
Perfect
should I have shacked? should you have shacked? should she have shacked? should we have shacked? should you have shacked? should they have shacked?
V-ing perfect
should I have been shacking? should you have been shacking? should she have been shacking? should we have been shacking? should you have been shacking? should they have been shacking?
Interro-negative form
Simple form
shouldn't I shack? shouldn't you shack? shouldn't she shack? shouldn't we shack? shouldn't you shack? shouldn't they shack?
V-ing form
shouldn't I be shacking? shouldn't you be shacking? shouldn't she be shacking? shouldn't we be shacking? shouldn't you be shacking? shouldn't they be shacking?
Perfect
shouldn't I have shacked? shouldn't you have shacked? shouldn't she have shacked? shouldn't we have shacked? shouldn't you have shacked? shouldn't they have shacked?
V-ing perfect
shouldn't I have been shacking? shouldn't you have been shacking? shouldn't she have been shacking? shouldn't we have been shacking? shouldn't you have been shacking? shouldn't they have been shacking?