may freshen
Regular verb: freshen - freshened- freshened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may freshen
you may freshen
he may freshen
we may freshen
you may freshen
they may freshen 	I may be freshening
you may be freshening
he may be freshening
we may be freshening
you may be freshening
they may be freshening	I may have freshened
you may have freshened
he may have freshened
we may have freshened
you may have freshened
they may have freshened	I may have been freshening
you may have been freshening
he may have been freshening
we may have been freshening
you may have been freshening
they may have been freshening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't freshen
you mayn't freshen
he mayn't freshen
we mayn't freshen
you mayn't freshen
they mayn't freshen 	I mayn't be freshening
you mayn't be freshening
he mayn't be freshening
we mayn't be freshening
you mayn't be freshening
they mayn't be freshening	I mayn't have freshened
you mayn't have freshened
he mayn't have freshened
we mayn't have freshened
you mayn't have freshened
they mayn't have freshened	I mayn't have been freshening
you mayn't have been freshening
he mayn't have been freshening
we mayn't have been freshening
you mayn't have been freshening
they mayn't have been freshening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I freshen?
may you freshen?
may he freshen?
may we freshen?
may you freshen?
may they freshen? 	may I be freshening?
may you be freshening?
may he be freshening?
may we be freshening?
may you be freshening?
may they be freshening? 	may I have freshened?
may you have freshened?
may he have freshened?
may we have freshened?
may you have freshened?
may they have freshened? 	may I have been freshening?
may you have been freshening?
may he have been freshening?
may we have been freshening?
may you have been freshening?
may they have been freshening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I freshen?
mayn't you freshen?
mayn't he freshen?
mayn't we freshen?
mayn't you freshen?
mayn't they freshen? 	mayn't I be freshening?
mayn't you be freshening?
mayn't he be freshening?
mayn't we be freshening?
mayn't you be freshening?
mayn't they be freshening? 	mayn't I have freshened?
mayn't you have freshened?
mayn't he have freshened?
mayn't we have freshened?
mayn't you have freshened?
mayn't they have freshened? 	mayn't I have been freshening?
mayn't you have been freshening?
mayn't he have been freshening?
mayn't we have been freshening?
mayn't you have been freshening?
mayn't they have been freshening?