may refasten
Regular verb: refasten - refastened- refastened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may refasten
you may refasten
he may refasten
we may refasten
you may refasten
they may refasten 	I may be refastening
you may be refastening
he may be refastening
we may be refastening
you may be refastening
they may be refastening	I may have refastened
you may have refastened
he may have refastened
we may have refastened
you may have refastened
they may have refastened	I may have been refastening
you may have been refastening
he may have been refastening
we may have been refastening
you may have been refastening
they may have been refastening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't refasten
you mayn't refasten
he mayn't refasten
we mayn't refasten
you mayn't refasten
they mayn't refasten 	I mayn't be refastening
you mayn't be refastening
he mayn't be refastening
we mayn't be refastening
you mayn't be refastening
they mayn't be refastening	I mayn't have refastened
you mayn't have refastened
he mayn't have refastened
we mayn't have refastened
you mayn't have refastened
they mayn't have refastened	I mayn't have been refastening
you mayn't have been refastening
he mayn't have been refastening
we mayn't have been refastening
you mayn't have been refastening
they mayn't have been refastening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I refasten?
may you refasten?
may he refasten?
may we refasten?
may you refasten?
may they refasten? 	may I be refastening?
may you be refastening?
may he be refastening?
may we be refastening?
may you be refastening?
may they be refastening? 	may I have refastened?
may you have refastened?
may he have refastened?
may we have refastened?
may you have refastened?
may they have refastened? 	may I have been refastening?
may you have been refastening?
may he have been refastening?
may we have been refastening?
may you have been refastening?
may they have been refastening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I refasten?
mayn't you refasten?
mayn't he refasten?
mayn't we refasten?
mayn't you refasten?
mayn't they refasten? 	mayn't I be refastening?
mayn't you be refastening?
mayn't he be refastening?
mayn't we be refastening?
mayn't you be refastening?
mayn't they be refastening? 	mayn't I have refastened?
mayn't you have refastened?
mayn't he have refastened?
mayn't we have refastened?
mayn't you have refastened?
mayn't they have refastened? 	mayn't I have been refastening?
mayn't you have been refastening?
mayn't he have been refastening?
mayn't we have been refastening?
mayn't you have been refastening?
mayn't they have been refastening?