can decree
Regular verb: decree - decreed- decreed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can decree
you can decree
she can decree
we can decree
you can decree
they can decree 	I can be decreeing
you can be decreeing
she can be decreeing
we can be decreeing
you can be decreeing
they can be decreeing	I can have decreed
you can have decreed
she can have decreed
we can have decreed
you can have decreed
they can have decreed	I can have been decreeing
you can have been decreeing
she can have been decreeing
we can have been decreeing
you can have been decreeing
they can have been decreeing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot decree
you cannot decree
she cannot decree
we cannot decree
you cannot decree
they cannot decree 	I cannot be decreeing
you cannot be decreeing
she cannot be decreeing
we cannot be decreeing
you cannot be decreeing
they cannot be decreeing	I cannot have decreed
you cannot have decreed
she cannot have decreed
we cannot have decreed
you cannot have decreed
they cannot have decreed	I cannot have been decreeing
you cannot have been decreeing
she cannot have been decreeing
we cannot have been decreeing
you cannot have been decreeing
they cannot have been decreeing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I decree?
can you decree?
can she decree?
can we decree?
can you decree?
can they decree? 	can I be decreeing?
can you be decreeing?
can she be decreeing?
can we be decreeing?
can you be decreeing?
can they be decreeing? 	can I have decreed?
can you have decreed?
can she have decreed?
can we have decreed?
can you have decreed?
can they have decreed? 	can I have been decreeing?
can you have been decreeing?
can she have been decreeing?
can we have been decreeing?
can you have been decreeing?
can they have been decreeing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not decree?
can you not decree?
can she not decree?
can we not decree?
can you not decree?
can they not decree? 	can I not be decreeing?
can you not be decreeing?
can she not be decreeing?
can we not be decreeing?
can you not be decreeing?
can they not be decreeing? 	can I not have decreed?
can you not have decreed?
can she not have decreed?
can we not have decreed?
can you not have decreed?
can they not have decreed? 	can I not have been decreeing?
can you not have been decreeing?
can she not have been decreeing?
can we not have been decreeing?
can you not have been decreeing?
can they not have been decreeing?