may soften
Regular verb: soften - softened- softened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may soften
you may soften
she may soften
we may soften
you may soften
they may soften 	I may be softening
you may be softening
she may be softening
we may be softening
you may be softening
they may be softening	I may have softened
you may have softened
she may have softened
we may have softened
you may have softened
they may have softened	I may have been softening
you may have been softening
she may have been softening
we may have been softening
you may have been softening
they may have been softening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't soften
you mayn't soften
she mayn't soften
we mayn't soften
you mayn't soften
they mayn't soften 	I mayn't be softening
you mayn't be softening
she mayn't be softening
we mayn't be softening
you mayn't be softening
they mayn't be softening	I mayn't have softened
you mayn't have softened
she mayn't have softened
we mayn't have softened
you mayn't have softened
they mayn't have softened	I mayn't have been softening
you mayn't have been softening
she mayn't have been softening
we mayn't have been softening
you mayn't have been softening
they mayn't have been softening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I soften?
may you soften?
may she soften?
may we soften?
may you soften?
may they soften? 	may I be softening?
may you be softening?
may she be softening?
may we be softening?
may you be softening?
may they be softening? 	may I have softened?
may you have softened?
may she have softened?
may we have softened?
may you have softened?
may they have softened? 	may I have been softening?
may you have been softening?
may she have been softening?
may we have been softening?
may you have been softening?
may they have been softening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I soften?
mayn't you soften?
mayn't she soften?
mayn't we soften?
mayn't you soften?
mayn't they soften? 	mayn't I be softening?
mayn't you be softening?
mayn't she be softening?
mayn't we be softening?
mayn't you be softening?
mayn't they be softening? 	mayn't I have softened?
mayn't you have softened?
mayn't she have softened?
mayn't we have softened?
mayn't you have softened?
mayn't they have softened? 	mayn't I have been softening?
mayn't you have been softening?
mayn't she have been softening?
mayn't we have been softening?
mayn't you have been softening?
mayn't they have been softening?