should decree
Regular verb: decree - decreed- decreed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd decree
you'd decree
she'd decree
we'd decree
you'd decree
they'd decree 	I'd be decreeing
you'd be decreeing
she'd be decreeing
we'd be decreeing
you'd be decreeing
they'd be decreeing	I should've decreed
you should've decreed
she 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
she 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 	Perfect 	V-ing perfect 	
I shouldn't decree
you shouldn't decree
she 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
she shouldn't be decreeing
we shouldn't be decreeing
you shouldn't be decreeing
they shouldn't be decreeing	I shouldn't have decreed
you shouldn't have decreed
she 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
she 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 	Perfect 	V-ing perfect 	
should I decree?
should you decree?
should she decree?
should we decree?
should you decree?
should they decree? 	should I be decreeing?
should you be decreeing?
should she be decreeing?
should we be decreeing?
should you be decreeing?
should they be decreeing? 	should I have decreed?
should you have decreed?
should she 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 she 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 	Perfect 	V-ing perfect 	
shouldn't I decree?
shouldn't you decree?
shouldn't she 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 she be decreeing?
shouldn't we be decreeing?
shouldn't you be decreeing?
shouldn't they be decreeing? 	shouldn't I have decreed?
shouldn't you have decreed?
shouldn't she 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 she have been decreeing?
shouldn't we have been decreeing?
shouldn't you have been decreeing?
shouldn't they have been decreeing?