English verb conjugation
SHOULD SNIVEL

Regular verb: snivel - snivelled - snivelled

Affirmation

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

Negation

Simple form	V-ing form
I should not snivel you should not snivel he should not snivel we should not snivel you should not snivel they should not snivel	I should not be snivelling you should not be snivelling he should not be snivelling we should not be snivelling you should not be snivelling they should not be snivelling
Perfect	V-ing perfect
I should not have snivelled you should not have snivelled he should not have snivelled we should not have snivelled you should not have snivelled they should not have snivelled	I should not have been snivelling you should not have been snivelling he should not have been snivelling we should not have been snivelling you should not have been snivelling they should not 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
should I not snivel? should you not snivel? should he not snivel? should we not snivel? should you not snivel? should they not snivel?	should I not be snivelling? should you not be snivelling? should he not be snivelling? should we not be snivelling? should you not be snivelling? should they not be snivelling?
Perfect	V-ing perfect
should I not have snivelled? should you not have snivelled? should he not have snivelled? should we not have snivelled? should you not have snivelled? should they not have snivelled?	should I not have been snivelling? should you not have been snivelling? should he not have been snivelling? should we not have been snivelling? should you not have been snivelling? should they not have been snivelling?