may instance
Regular verb: instance - instanced- instanced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may instance
you may instance
she may instance
we may instance
you may instance
they may instance 	I may be instancing
you may be instancing
she may be instancing
we may be instancing
you may be instancing
they may be instancing	I may have instanced
you may have instanced
she may have instanced
we may have instanced
you may have instanced
they may have instanced	I may have been instancing
you may have been instancing
she may have been instancing
we may have been instancing
you may have been instancing
they may have been instancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not instance
you may not instance
she may not instance
we may not instance
you may not instance
they may not instance 	I may not be instancing
you may not be instancing
she may not be instancing
we may not be instancing
you may not be instancing
they may not be instancing	I may not have instanced
you may not have instanced
she may not have instanced
we may not have instanced
you may not have instanced
they may not have instanced	I may not have been instancing
you may not have been instancing
she may not have been instancing
we may not have been instancing
you may not have been instancing
they may not have been instancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I instance?
may you instance?
may she instance?
may we instance?
may you instance?
may they instance? 	may I be instancing?
may you be instancing?
may she be instancing?
may we be instancing?
may you be instancing?
may they be instancing? 	may I have instanced?
may you have instanced?
may she have instanced?
may we have instanced?
may you have instanced?
may they have instanced? 	may I have been instancing?
may you have been instancing?
may she have been instancing?
may we have been instancing?
may you have been instancing?
may they have been instancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not instance?
may you not instance?
may she not instance?
may we not instance?
may you not instance?
may they not instance? 	may I not be instancing?
may you not be instancing?
may she not be instancing?
may we not be instancing?
may you not be instancing?
may they not be instancing? 	may I not have instanced?
may you not have instanced?
may she not have instanced?
may we not have instanced?
may you not have instanced?
may they not have instanced? 	may I not have been instancing?
may you not have been instancing?
may she not have been instancing?
may we not have been instancing?
may you not have been instancing?
may they not have been instancing?