may refract
Regular verb: refract - refracted- refracted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may refract
you may refract
she may refract
we may refract
you may refract
they may refract 	I may be refracting
you may be refracting
she may be refracting
we may be refracting
you may be refracting
they may be refracting	I may have refracted
you may have refracted
she may have refracted
we may have refracted
you may have refracted
they may have refracted	I may have been refracting
you may have been refracting
she may have been refracting
we may have been refracting
you may have been refracting
they may have been refracting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't refract
you mayn't refract
she mayn't refract
we mayn't refract
you mayn't refract
they mayn't refract 	I mayn't be refracting
you mayn't be refracting
she mayn't be refracting
we mayn't be refracting
you mayn't be refracting
they mayn't be refracting	I mayn't have refracted
you mayn't have refracted
she mayn't have refracted
we mayn't have refracted
you mayn't have refracted
they mayn't have refracted	I mayn't have been refracting
you mayn't have been refracting
she mayn't have been refracting
we mayn't have been refracting
you mayn't have been refracting
they mayn't have been refracting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I refract?
may you refract?
may she refract?
may we refract?
may you refract?
may they refract? 	may I be refracting?
may you be refracting?
may she be refracting?
may we be refracting?
may you be refracting?
may they be refracting? 	may I have refracted?
may you have refracted?
may she have refracted?
may we have refracted?
may you have refracted?
may they have refracted? 	may I have been refracting?
may you have been refracting?
may she have been refracting?
may we have been refracting?
may you have been refracting?
may they have been refracting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I refract?
mayn't you refract?
mayn't she refract?
mayn't we refract?
mayn't you refract?
mayn't they refract? 	mayn't I be refracting?
mayn't you be refracting?
mayn't she be refracting?
mayn't we be refracting?
mayn't you be refracting?
mayn't they be refracting? 	mayn't I have refracted?
mayn't you have refracted?
mayn't she have refracted?
mayn't we have refracted?
mayn't you have refracted?
mayn't they have refracted? 	mayn't I have been refracting?
mayn't you have been refracting?
mayn't she have been refracting?
mayn't we have been refracting?
mayn't you have been refracting?
mayn't they have been refracting?