English verb conjugation
SHOULD SNIGGLE

Regular verb: sniggle - sniggled - sniggled

Affirmation

Simple form	V-ing form
I'd sniggle you'd sniggle he'd sniggle we'd sniggle you'd sniggle they'd sniggle	I'd be sniggling you'd be sniggling he'd be sniggling we'd be sniggling you'd be sniggling they'd be sniggling
Perfect	V-ing perfect
I should've sniggled you should've sniggled he should've sniggled we should've sniggled you should've sniggled they should've sniggled	I should've been sniggling you should've been sniggling he should've been sniggling we should've been sniggling you should've been sniggling they should've been sniggling

Negation

Simple form	V-ing form
I shouldn't sniggle you shouldn't sniggle he shouldn't sniggle we shouldn't sniggle you shouldn't sniggle they shouldn't sniggle	I shouldn't be sniggling you shouldn't be sniggling he shouldn't be sniggling we shouldn't be sniggling you shouldn't be sniggling they shouldn't be sniggling
Perfect	V-ing perfect
I shouldn't have sniggled you shouldn't have sniggled he shouldn't have sniggled we shouldn't have sniggled you shouldn't have sniggled they shouldn't have sniggled	I shouldn't have been sniggling you shouldn't have been sniggling he shouldn't have been sniggling we shouldn't have been sniggling you shouldn't have been sniggling they shouldn't have been sniggling

Interrogative form

Simple form	V-ing form
should I sniggle? should you sniggle? should he sniggle? should we sniggle? should you sniggle? should they sniggle?	should I be sniggling? should you be sniggling? should he be sniggling? should we be sniggling? should you be sniggling? should they be sniggling?
Perfect	V-ing perfect
should I have sniggled? should you have sniggled? should he have sniggled? should we have sniggled? should you have sniggled? should they have sniggled?	should I have been sniggling? should you have been sniggling? should he have been sniggling? should we have been sniggling? should you have been sniggling? should they have been sniggling?

Interro-negative form

Simple form	V-ing form
shouldn't I sniggle? shouldn't you sniggle? shouldn't he sniggle? shouldn't we sniggle? shouldn't you sniggle? shouldn't they sniggle?	shouldn't I be sniggling? shouldn't you be sniggling? shouldn't he be sniggling? shouldn't we be sniggling? shouldn't you be sniggling? shouldn't they be sniggling?
Perfect	V-ing perfect
shouldn't I have sniggled? shouldn't you have sniggled? shouldn't he have sniggled? shouldn't we have sniggled? shouldn't you have sniggled? shouldn't they have sniggled?	shouldn't I have been sniggling? shouldn't you have been sniggling? shouldn't he have been sniggling? shouldn't we have been sniggling? shouldn't you have been sniggling? shouldn't they have been sniggling?