English verb conjugation
SHOULD PERCOLATE

Regular verb: percolate - percolated - percolated

Affirmation

Simple form	V-ing form
I'd percolate you'd percolate he'd percolate we'd percolate you'd percolate they'd percolate	I'd be percolating you'd be percolating he'd be percolating we'd be percolating you'd be percolating they'd be percolating
Perfect	V-ing perfect
I should've percolated you should've percolated he should've percolated we should've percolated you should've percolated they should've percolated	I should've been percolating you should've been percolating he should've been percolating we should've been percolating you should've been percolating they should've been percolating

Negation

Simple form	V-ing form
I shouldn't percolate you shouldn't percolate he shouldn't percolate we shouldn't percolate you shouldn't percolate they shouldn't percolate	I shouldn't be percolating you shouldn't be percolating he shouldn't be percolating we shouldn't be percolating you shouldn't be percolating they shouldn't be percolating
Perfect	V-ing perfect
I shouldn't have percolated you shouldn't have percolated he shouldn't have percolated we shouldn't have percolated you shouldn't have percolated they shouldn't have percolated	I shouldn't have been percolating you shouldn't have been percolating he shouldn't have been percolating we shouldn't have been percolating you shouldn't have been percolating they shouldn't have been percolating

Interrogative form

Simple form	V-ing form
should I percolate? should you percolate? should he percolate? should we percolate? should you percolate? should they percolate?	should I be percolating? should you be percolating? should he be percolating? should we be percolating? should you be percolating? should they be percolating?
Perfect	V-ing perfect
should I have percolated? should you have percolated? should he have percolated? should we have percolated? should you have percolated? should they have percolated?	should I have been percolating? should you have been percolating? should he have been percolating? should we have been percolating? should you have been percolating? should they have been percolating?

Interro-negative form

Simple form	V-ing form
shouldn't I percolate? shouldn't you percolate? shouldn't he percolate? shouldn't we percolate? shouldn't you percolate? shouldn't they percolate?	shouldn't I be percolating? shouldn't you be percolating? shouldn't he be percolating? shouldn't we be percolating? shouldn't you be percolating? shouldn't they be percolating?
Perfect	V-ing perfect
shouldn't I have percolated? shouldn't you have percolated? shouldn't he have percolated? shouldn't we have percolated? shouldn't you have percolated? shouldn't they have percolated?	shouldn't I have been percolating? shouldn't you have been percolating? shouldn't he have been percolating? shouldn't we have been percolating? shouldn't you have been percolating? shouldn't they have been percolating?