English verb conjugation
SHOULD PROTRACT

Regular verb: protract - protracted - protracted

Affirmation

Simple form	V-ing form
I'd protract you'd protract he'd protract we'd protract you'd protract they'd protract	I'd be protracting you'd be protracting he'd be protracting we'd be protracting you'd be protracting they'd be protracting
Perfect	V-ing perfect
I should've protracted you should've protracted he should've protracted we should've protracted you should've protracted they should've protracted	I should've been protracting you should've been protracting he should've been protracting we should've been protracting you should've been protracting they should've been protracting

Negation

Simple form	V-ing form
I shouldn't protract you shouldn't protract he shouldn't protract we shouldn't protract you shouldn't protract they shouldn't protract	I shouldn't be protracting you shouldn't be protracting he shouldn't be protracting we shouldn't be protracting you shouldn't be protracting they shouldn't be protracting
Perfect	V-ing perfect
I shouldn't have protracted you shouldn't have protracted he shouldn't have protracted we shouldn't have protracted you shouldn't have protracted they shouldn't have protracted	I shouldn't have been protracting you shouldn't have been protracting he shouldn't have been protracting we shouldn't have been protracting you shouldn't have been protracting they shouldn't have been protracting

Interrogative form

Simple form	V-ing form
should I protract? should you protract? should he protract? should we protract? should you protract? should they protract?	should I be protracting? should you be protracting? should he be protracting? should we be protracting? should you be protracting? should they be protracting?
Perfect	V-ing perfect
should I have protracted? should you have protracted? should he have protracted? should we have protracted? should you have protracted? should they have protracted?	should I have been protracting? should you have been protracting? should he have been protracting? should we have been protracting? should you have been protracting? should they have been protracting?

Interro-negative form

Simple form	V-ing form
shouldn't I protract? shouldn't you protract? shouldn't he protract? shouldn't we protract? shouldn't you protract? shouldn't they protract?	shouldn't I be protracting? shouldn't you be protracting? shouldn't he be protracting? shouldn't we be protracting? shouldn't you be protracting? shouldn't they be protracting?
Perfect	V-ing perfect
shouldn't I have protracted? shouldn't you have protracted? shouldn't he have protracted? shouldn't we have protracted? shouldn't you have protracted? shouldn't they have protracted?	shouldn't I have been protracting? shouldn't you have been protracting? shouldn't he have been protracting? shouldn't we have been protracting? shouldn't you have been protracting? shouldn't they have been protracting?