English verb conjugation
SHOULD SPUTTER

Regular verb: sputter - sputtered - sputtered

Affirmation

Simple form	V-ing form
I should sputter you should sputter he should sputter we should sputter you should sputter they should sputter	I should be sputtering you should be sputtering he should be sputtering we should be sputtering you should be sputtering they should be sputtering
Perfect	V-ing perfect
I should have sputtered you should have sputtered he should have sputtered we should have sputtered you should have sputtered they should have sputtered	I should have been sputtering you should have been sputtering he should have been sputtering we should have been sputtering you should have been sputtering they should have been sputtering

Negation

Simple form	V-ing form
I should not sputter you should not sputter he should not sputter we should not sputter you should not sputter they should not sputter	I should not be sputtering you should not be sputtering he should not be sputtering we should not be sputtering you should not be sputtering they should not be sputtering
Perfect	V-ing perfect
I should not have sputtered you should not have sputtered he should not have sputtered we should not have sputtered you should not have sputtered they should not have sputtered	I should not have been sputtering you should not have been sputtering he should not have been sputtering we should not have been sputtering you should not have been sputtering they should not have been sputtering

Interrogative form

Simple form	V-ing form
should I sputter? should you sputter? should he sputter? should we sputter? should you sputter? should they sputter?	should I be sputtering? should you be sputtering? should he be sputtering? should we be sputtering? should you be sputtering? should they be sputtering?
Perfect	V-ing perfect
should I have sputtered? should you have sputtered? should he have sputtered? should we have sputtered? should you have sputtered? should they have sputtered?	should I have been sputtering? should you have been sputtering? should he have been sputtering? should we have been sputtering? should you have been sputtering? should they have been sputtering?

Interro-negative form

Simple form	V-ing form
should I not sputter? should you not sputter? should he not sputter? should we not sputter? should you not sputter? should they not sputter?	should I not be sputtering? should you not be sputtering? should he not be sputtering? should we not be sputtering? should you not be sputtering? should they not be sputtering?
Perfect	V-ing perfect
should I not have sputtered? should you not have sputtered? should he not have sputtered? should we not have sputtered? should you not have sputtered? should they not have sputtered?	should I not have been sputtering? should you not have been sputtering? should he not have been sputtering? should we not have been sputtering? should you not have been sputtering? should they not have been sputtering?