English verb conjugation
SHOULD POLYGRAPH

Regular verb: polygraph - polygraphed - polygraphed

Affirmation

Simple form	V-ing form
I'd polygraph you'd polygraph she'd polygraph we'd polygraph you'd polygraph they'd polygraph	I'd be polygraphing you'd be polygraphing she'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 she 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 she 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 she 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 she 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 she 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 she 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 she polygraph? should we polygraph? should you polygraph? should they polygraph?	should I be polygraphing? should you be polygraphing? should she 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 she 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 she 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 she 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 she 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 she 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 she have been polygraphing? shouldn't we have been polygraphing? shouldn't you have been polygraphing? shouldn't they have been polygraphing?