may gangrene
Regular verb: gangrene - gangrened- gangrened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may gangrene
you may gangrene
he may gangrene
we may gangrene
you may gangrene
they may gangrene 	I may be gangrening
you may be gangrening
he may be gangrening
we may be gangrening
you may be gangrening
they may be gangrening	I may have gangrened
you may have gangrened
he may have gangrened
we may have gangrened
you may have gangrened
they may have gangrened	I may have been gangrening
you may have been gangrening
he may have been gangrening
we may have been gangrening
you may have been gangrening
they may have been gangrening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not gangrene
you may not gangrene
he may not gangrene
we may not gangrene
you may not gangrene
they may not gangrene 	I may not be gangrening
you may not be gangrening
he may not be gangrening
we may not be gangrening
you may not be gangrening
they may not be gangrening	I may not have gangrened
you may not have gangrened
he may not have gangrened
we may not have gangrened
you may not have gangrened
they may not have gangrened	I may not have been gangrening
you may not have been gangrening
he may not have been gangrening
we may not have been gangrening
you may not have been gangrening
they may not have been gangrening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I gangrene?
may you gangrene?
may he gangrene?
may we gangrene?
may you gangrene?
may they gangrene? 	may I be gangrening?
may you be gangrening?
may he be gangrening?
may we be gangrening?
may you be gangrening?
may they be gangrening? 	may I have gangrened?
may you have gangrened?
may he have gangrened?
may we have gangrened?
may you have gangrened?
may they have gangrened? 	may I have been gangrening?
may you have been gangrening?
may he have been gangrening?
may we have been gangrening?
may you have been gangrening?
may they have been gangrening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not gangrene?
may you not gangrene?
may he not gangrene?
may we not gangrene?
may you not gangrene?
may they not gangrene? 	may I not be gangrening?
may you not be gangrening?
may he not be gangrening?
may we not be gangrening?
may you not be gangrening?
may they not be gangrening? 	may I not have gangrened?
may you not have gangrened?
may he not have gangrened?
may we not have gangrened?
may you not have gangrened?
may they not have gangrened? 	may I not have been gangrening?
may you not have been gangrening?
may he not have been gangrening?
may we not have been gangrening?
may you not have been gangrening?
may they not have been gangrening?