English verb conjugation
SHOULD TACK

Regular verb: tack - tacked - tacked

Affirmation

Simple form	V-ing form
I'd tack you'd tack she'd tack we'd tack you'd tack they'd tack	I'd be tacking you'd be tacking she'd be tacking we'd be tacking you'd be tacking they'd be tacking
Perfect	V-ing perfect
I should've tacked you should've tacked she should've tacked we should've tacked you should've tacked they should've tacked	I should've been tacking you should've been tacking she should've been tacking we should've been tacking you should've been tacking they should've been tacking

Negation

Simple form	V-ing form
I shouldn't tack you shouldn't tack she shouldn't tack we shouldn't tack you shouldn't tack they shouldn't tack	I shouldn't be tacking you shouldn't be tacking she shouldn't be tacking we shouldn't be tacking you shouldn't be tacking they shouldn't be tacking
Perfect	V-ing perfect
I shouldn't have tacked you shouldn't have tacked she shouldn't have tacked we shouldn't have tacked you shouldn't have tacked they shouldn't have tacked	I shouldn't have been tacking you shouldn't have been tacking she shouldn't have been tacking we shouldn't have been tacking you shouldn't have been tacking they shouldn't have been tacking

Interrogative form

Simple form	V-ing form
should I tack? should you tack? should she tack? should we tack? should you tack? should they tack?	should I be tacking? should you be tacking? should she be tacking? should we be tacking? should you be tacking? should they be tacking?
Perfect	V-ing perfect
should I have tacked? should you have tacked? should she have tacked? should we have tacked? should you have tacked? should they have tacked?	should I have been tacking? should you have been tacking? should she have been tacking? should we have been tacking? should you have been tacking? should they have been tacking?

Interro-negative form

Simple form	V-ing form
shouldn't I tack? shouldn't you tack? shouldn't she tack? shouldn't we tack? shouldn't you tack? shouldn't they tack?	shouldn't I be tacking? shouldn't you be tacking? shouldn't she be tacking? shouldn't we be tacking? shouldn't you be tacking? shouldn't they be tacking?
Perfect	V-ing perfect
shouldn't I have tacked? shouldn't you have tacked? shouldn't she have tacked? shouldn't we have tacked? shouldn't you have tacked? shouldn't they have tacked?	shouldn't I have been tacking? shouldn't you have been tacking? shouldn't she have been tacking? shouldn't we have been tacking? shouldn't you have been tacking? shouldn't they have been tacking?