English verb conjugation
SHOULD POLYGRAPH

Regular verb: polygraph - polygraphed - polygraphed

Affirmation

Simple form	V-ing form
I'd polygraph you'd polygraph he'd polygraph we'd polygraph you'd polygraph they'd polygraph	I'd be polygraphing you'd be polygraphing he'd be polygraphing we'd be polygraphing you'd be polygraphing they'd be polygraphing
Perfect	V-ing perfect
I should've polygraphed you should've polygraphed he should've polygraphed we should've polygraphed you should've polygraphed they should've polygraphed	I should've been polygraphing you should've been polygraphing he should've been polygraphing we should've been polygraphing you should've been polygraphing they should've been polygraphing

Negation

Simple form	V-ing form
I shouldn't polygraph you shouldn't polygraph he shouldn't polygraph we shouldn't polygraph you shouldn't polygraph they shouldn't polygraph	I shouldn't be polygraphing you shouldn't be polygraphing he shouldn't be polygraphing we shouldn't be polygraphing you shouldn't be polygraphing they shouldn't be polygraphing
Perfect	V-ing perfect
I shouldn't have polygraphed you shouldn't have polygraphed he shouldn't have polygraphed we shouldn't have polygraphed you shouldn't have polygraphed they shouldn't have polygraphed	I shouldn't have been polygraphing you shouldn't have been polygraphing he shouldn't have been polygraphing we shouldn't have been polygraphing you shouldn't have been polygraphing they shouldn't have been polygraphing

Interrogative form

Simple form	V-ing form
should I polygraph? should you polygraph? should he polygraph? should we polygraph? should you polygraph? should they polygraph?	should I be polygraphing? should you be polygraphing? should he be polygraphing? should we be polygraphing? should you be polygraphing? should they be polygraphing?
Perfect	V-ing perfect
should I have polygraphed? should you have polygraphed? should he have polygraphed? should we have polygraphed? should you have polygraphed? should they have polygraphed?	should I have been polygraphing? should you have been polygraphing? should he have been polygraphing? should we have been polygraphing? should you have been polygraphing? should they have been polygraphing?

Interro-negative form

Simple form	V-ing form
shouldn't I polygraph? shouldn't you polygraph? shouldn't he polygraph? shouldn't we polygraph? shouldn't you polygraph? shouldn't they polygraph?	shouldn't I be polygraphing? shouldn't you be polygraphing? shouldn't he be polygraphing? shouldn't we be polygraphing? shouldn't you be polygraphing? shouldn't they be polygraphing?
Perfect	V-ing perfect
shouldn't I have polygraphed? shouldn't you have polygraphed? shouldn't he have polygraphed? shouldn't we have polygraphed? shouldn't you have polygraphed? shouldn't they have polygraphed?	shouldn't I have been polygraphing? shouldn't you have been polygraphing? shouldn't he have been polygraphing? shouldn't we have been polygraphing? shouldn't you have been polygraphing? shouldn't they have been polygraphing?