English verb conjugation
SHOULD DECREE

Regular verb: decree - decreed - decreed

Affirmation

Simple form	V-ing form
I'd decree you'd decree he'd decree we'd decree you'd decree they'd decree	I'd be decreeing you'd be decreeing he'd be decreeing we'd be decreeing you'd be decreeing they'd be decreeing
Perfect	V-ing perfect
I should've decreed you should've decreed he should've decreed we should've decreed you should've decreed they should've decreed	I should've been decreeing you should've been decreeing he should've been decreeing we should've been decreeing you should've been decreeing they should've been decreeing

Negation

Simple form	V-ing form
I shouldn't decree you shouldn't decree he shouldn't decree we shouldn't decree you shouldn't decree they shouldn't decree	I shouldn't be decreeing you shouldn't be decreeing he shouldn't be decreeing we shouldn't be decreeing you shouldn't be decreeing they shouldn't be decreeing
Perfect	V-ing perfect
I shouldn't have decreed you shouldn't have decreed he shouldn't have decreed we shouldn't have decreed you shouldn't have decreed they shouldn't have decreed	I shouldn't have been decreeing you shouldn't have been decreeing he shouldn't have been decreeing we shouldn't have been decreeing you shouldn't have been decreeing they shouldn't have been decreeing

Interrogative form

Simple form	V-ing form
should I decree? should you decree? should he decree? should we decree? should you decree? should they decree?	should I be decreeing? should you be decreeing? should he be decreeing? should we be decreeing? should you be decreeing? should they be decreeing?
Perfect	V-ing perfect
should I have decreed? should you have decreed? should he have decreed? should we have decreed? should you have decreed? should they have decreed?	should I have been decreeing? should you have been decreeing? should he have been decreeing? should we have been decreeing? should you have been decreeing? should they have been decreeing?

Interro-negative form

Simple form	V-ing form
shouldn't I decree? shouldn't you decree? shouldn't he decree? shouldn't we decree? shouldn't you decree? shouldn't they decree?	shouldn't I be decreeing? shouldn't you be decreeing? shouldn't he be decreeing? shouldn't we be decreeing? shouldn't you be decreeing? shouldn't they be decreeing?
Perfect	V-ing perfect
shouldn't I have decreed? shouldn't you have decreed? shouldn't he have decreed? shouldn't we have decreed? shouldn't you have decreed? shouldn't they have decreed?	shouldn't I have been decreeing? shouldn't you have been decreeing? shouldn't he have been decreeing? shouldn't we have been decreeing? shouldn't you have been decreeing? shouldn't they have been decreeing?