English verb conjugation
SHOULD SAG

Regular verb: sag - sagged - sagged

Affirmation

Simple form	V-ing form
I'd sag you'd sag he'd sag we'd sag you'd sag they'd sag	I'd be sagging you'd be sagging he'd be sagging we'd be sagging you'd be sagging they'd be sagging
Perfect	V-ing perfect
I should've sagged you should've sagged he should've sagged we should've sagged you should've sagged they should've sagged	I should've been sagging you should've been sagging he should've been sagging we should've been sagging you should've been sagging they should've been sagging

Negation

Simple form	V-ing form
I shouldn't sag you shouldn't sag he shouldn't sag we shouldn't sag you shouldn't sag they shouldn't sag	I shouldn't be sagging you shouldn't be sagging he shouldn't be sagging we shouldn't be sagging you shouldn't be sagging they shouldn't be sagging
Perfect	V-ing perfect
I shouldn't have sagged you shouldn't have sagged he shouldn't have sagged we shouldn't have sagged you shouldn't have sagged they shouldn't have sagged	I shouldn't have been sagging you shouldn't have been sagging he shouldn't have been sagging we shouldn't have been sagging you shouldn't have been sagging they shouldn't have been sagging

Interrogative form

Simple form	V-ing form
should I sag? should you sag? should he sag? should we sag? should you sag? should they sag?	should I be sagging? should you be sagging? should he be sagging? should we be sagging? should you be sagging? should they be sagging?
Perfect	V-ing perfect
should I have sagged? should you have sagged? should he have sagged? should we have sagged? should you have sagged? should they have sagged?	should I have been sagging? should you have been sagging? should he have been sagging? should we have been sagging? should you have been sagging? should they have been sagging?

Interro-negative form

Simple form	V-ing form
shouldn't I sag? shouldn't you sag? shouldn't he sag? shouldn't we sag? shouldn't you sag? shouldn't they sag?	shouldn't I be sagging? shouldn't you be sagging? shouldn't he be sagging? shouldn't we be sagging? shouldn't you be sagging? shouldn't they be sagging?
Perfect	V-ing perfect
shouldn't I have sagged? shouldn't you have sagged? shouldn't he have sagged? shouldn't we have sagged? shouldn't you have sagged? shouldn't they have sagged?	shouldn't I have been sagging? shouldn't you have been sagging? shouldn't he have been sagging? shouldn't we have been sagging? shouldn't you have been sagging? shouldn't they have been sagging?