may smarten
Regular verb: smarten - smartened- smartened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may smarten
you may smarten
she may smarten
we may smarten
you may smarten
they may smarten 	I may be smartening
you may be smartening
she may be smartening
we may be smartening
you may be smartening
they may be smartening	I may have smartened
you may have smartened
she may have smartened
we may have smartened
you may have smartened
they may have smartened	I may have been smartening
you may have been smartening
she may have been smartening
we may have been smartening
you may have been smartening
they may have been smartening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not smarten
you may not smarten
she may not smarten
we may not smarten
you may not smarten
they may not smarten 	I may not be smartening
you may not be smartening
she may not be smartening
we may not be smartening
you may not be smartening
they may not be smartening	I may not have smartened
you may not have smartened
she may not have smartened
we may not have smartened
you may not have smartened
they may not have smartened	I may not have been smartening
you may not have been smartening
she may not have been smartening
we may not have been smartening
you may not have been smartening
they may not have been smartening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I smarten?
may you smarten?
may she smarten?
may we smarten?
may you smarten?
may they smarten? 	may I be smartening?
may you be smartening?
may she be smartening?
may we be smartening?
may you be smartening?
may they be smartening? 	may I have smartened?
may you have smartened?
may she have smartened?
may we have smartened?
may you have smartened?
may they have smartened? 	may I have been smartening?
may you have been smartening?
may she have been smartening?
may we have been smartening?
may you have been smartening?
may they have been smartening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not smarten?
may you not smarten?
may she not smarten?
may we not smarten?
may you not smarten?
may they not smarten? 	may I not be smartening?
may you not be smartening?
may she not be smartening?
may we not be smartening?
may you not be smartening?
may they not be smartening? 	may I not have smartened?
may you not have smartened?
may she not have smartened?
may we not have smartened?
may you not have smartened?
may they not have smartened? 	may I not have been smartening?
may you not have been smartening?
may she not have been smartening?
may we not have been smartening?
may you not have been smartening?
may they not have been smartening?