can decree
Regular verb: decree - decreed- decreed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can decree
you can decree
he can decree
we can decree
you can decree
they can decree 	I can be decreeing
you can be decreeing
he can be decreeing
we can be decreeing
you can be decreeing
they can be decreeing	I can have decreed
you can have decreed
he 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
he 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
he cannot decree
we cannot decree
you cannot decree
they cannot decree 	I cannot be decreeing
you cannot be decreeing
he cannot be decreeing
we cannot be decreeing
you cannot be decreeing
they cannot be decreeing	I cannot have decreed
you cannot have decreed
he 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
he 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 he decree?
can we decree?
can you decree?
can they decree? 	can I be decreeing?
can you be decreeing?
can he be decreeing?
can we be decreeing?
can you be decreeing?
can they be decreeing? 	can I have decreed?
can you have decreed?
can he 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 he 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 he 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 he 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 he 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 he not have been decreeing?
can we not have been decreeing?
can you not have been decreeing?
can they not have been decreeing?