English verb conjugation
SHOULD SNAG

Regular verb: snag - snagged - snagged

Affirmation

Simple form	V-ing form
I'd snag you'd snag he'd snag we'd snag you'd snag they'd snag	I'd be snagging you'd be snagging he'd be snagging we'd be snagging you'd be snagging they'd be snagging
Perfect	V-ing perfect
I should've snagged you should've snagged he should've snagged we should've snagged you should've snagged they should've snagged	I should've been snagging you should've been snagging he should've been snagging we should've been snagging you should've been snagging they should've been snagging

Negation

Simple form	V-ing form
I shouldn't snag you shouldn't snag he shouldn't snag we shouldn't snag you shouldn't snag they shouldn't snag	I shouldn't be snagging you shouldn't be snagging he shouldn't be snagging we shouldn't be snagging you shouldn't be snagging they shouldn't be snagging
Perfect	V-ing perfect
I shouldn't have snagged you shouldn't have snagged he shouldn't have snagged we shouldn't have snagged you shouldn't have snagged they shouldn't have snagged	I shouldn't have been snagging you shouldn't have been snagging he shouldn't have been snagging we shouldn't have been snagging you shouldn't have been snagging they shouldn't have been snagging

Interrogative form

Simple form	V-ing form
should I snag? should you snag? should he snag? should we snag? should you snag? should they snag?	should I be snagging? should you be snagging? should he be snagging? should we be snagging? should you be snagging? should they be snagging?
Perfect	V-ing perfect
should I have snagged? should you have snagged? should he have snagged? should we have snagged? should you have snagged? should they have snagged?	should I have been snagging? should you have been snagging? should he have been snagging? should we have been snagging? should you have been snagging? should they have been snagging?

Interro-negative form

Simple form	V-ing form
shouldn't I snag? shouldn't you snag? shouldn't he snag? shouldn't we snag? shouldn't you snag? shouldn't they snag?	shouldn't I be snagging? shouldn't you be snagging? shouldn't he be snagging? shouldn't we be snagging? shouldn't you be snagging? shouldn't they be snagging?
Perfect	V-ing perfect
shouldn't I have snagged? shouldn't you have snagged? shouldn't he have snagged? shouldn't we have snagged? shouldn't you have snagged? shouldn't they have snagged?	shouldn't I have been snagging? shouldn't you have been snagging? shouldn't he have been snagging? shouldn't we have been snagging? shouldn't you have been snagging? shouldn't they have been snagging?