English verb conjugation
SHOULD SHACK

Regular verb: shack - shacked - shacked

Affirmation

Simple form	V-ing form
I'd shack you'd shack he'd shack we'd shack you'd shack they'd shack	I'd be shacking you'd be shacking he'd be shacking we'd be shacking you'd be shacking they'd be shacking
Perfect	V-ing perfect
I should've shacked you should've shacked he should've shacked we should've shacked you should've shacked they should've shacked	I should've been shacking you should've been shacking he should've been shacking we should've been shacking you should've been shacking they should've been shacking

Negation

Simple form	V-ing form
I shouldn't shack you shouldn't shack he shouldn't shack we shouldn't shack you shouldn't shack they shouldn't shack	I shouldn't be shacking you shouldn't be shacking he shouldn't be shacking we shouldn't be shacking you shouldn't be shacking they shouldn't be shacking
Perfect	V-ing perfect
I shouldn't have shacked you shouldn't have shacked he shouldn't have shacked we shouldn't have shacked you shouldn't have shacked they shouldn't have shacked	I shouldn't have been shacking you shouldn't have been shacking he 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	V-ing form
should I shack? should you shack? should he shack? should we shack? should you shack? should they shack?	should I be shacking? should you be shacking? should he be shacking? should we be shacking? should you be shacking? should they be shacking?
Perfect	V-ing perfect
should I have shacked? should you have shacked? should he have shacked? should we have shacked? should you have shacked? should they have shacked?	should I have been shacking? should you have been shacking? should he have been shacking? should we have been shacking? should you have been shacking? should they have been shacking?

Interro-negative form

Simple form	V-ing form
shouldn't I shack? shouldn't you shack? shouldn't he shack? shouldn't we shack? shouldn't you shack? shouldn't they shack?	shouldn't I be shacking? shouldn't you be shacking? shouldn't he be shacking? shouldn't we be shacking? shouldn't you be shacking? shouldn't they be shacking?
Perfect	V-ing perfect
shouldn't I have shacked? shouldn't you have shacked? shouldn't he have shacked? shouldn't we have shacked? shouldn't you have shacked? shouldn't they have shacked?	shouldn't I have been shacking? shouldn't you have been shacking? shouldn't he have been shacking? shouldn't we have been shacking? shouldn't you have been shacking? shouldn't they have been shacking?