English verb conjugation
SHOULD SNIVEL

Regular verb: snivel - snivelled - snivelled

Affirmation

Simple form	V-ing form
I'd snivel you'd snivel he'd snivel we'd snivel you'd snivel they'd snivel	I'd be snivelling you'd be snivelling he'd be snivelling we'd be snivelling you'd be snivelling they'd be snivelling
Perfect	V-ing perfect
I should've snivelled you should've snivelled he should've snivelled we should've snivelled you should've snivelled they should've snivelled	I should've been snivelling you should've been snivelling he should've been snivelling we should've been snivelling you should've been snivelling they should've been snivelling

Negation

Simple form	V-ing form
I shouldn't snivel you shouldn't snivel he shouldn't snivel we shouldn't snivel you shouldn't snivel they shouldn't snivel	I shouldn't be snivelling you shouldn't be snivelling he shouldn't be snivelling we shouldn't be snivelling you shouldn't be snivelling they shouldn't be snivelling
Perfect	V-ing perfect
I shouldn't have snivelled you shouldn't have snivelled he shouldn't have snivelled we shouldn't have snivelled you shouldn't have snivelled they shouldn't have snivelled	I shouldn't have been snivelling you shouldn't have been snivelling he shouldn't have been snivelling we shouldn't have been snivelling you shouldn't have been snivelling they shouldn't have been snivelling

Interrogative form

Simple form	V-ing form
should I snivel? should you snivel? should he snivel? should we snivel? should you snivel? should they snivel?	should I be snivelling? should you be snivelling? should he be snivelling? should we be snivelling? should you be snivelling? should they be snivelling?
Perfect	V-ing perfect
should I have snivelled? should you have snivelled? should he have snivelled? should we have snivelled? should you have snivelled? should they have snivelled?	should I have been snivelling? should you have been snivelling? should he have been snivelling? should we have been snivelling? should you have been snivelling? should they have been snivelling?

Interro-negative form

Simple form	V-ing form
shouldn't I snivel? shouldn't you snivel? shouldn't he snivel? shouldn't we snivel? shouldn't you snivel? shouldn't they snivel?	shouldn't I be snivelling? shouldn't you be snivelling? shouldn't he be snivelling? shouldn't we be snivelling? shouldn't you be snivelling? shouldn't they be snivelling?
Perfect	V-ing perfect
shouldn't I have snivelled? shouldn't you have snivelled? shouldn't he have snivelled? shouldn't we have snivelled? shouldn't you have snivelled? shouldn't they have snivelled?	shouldn't I have been snivelling? shouldn't you have been snivelling? shouldn't he have been snivelling? shouldn't we have been snivelling? shouldn't you have been snivelling? shouldn't they have been snivelling?