may refasten
Regular verb: refasten - refastened- refastened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may refasten
you may refasten
she may refasten
we may refasten
you may refasten
they may refasten 	I may be refastening
you may be refastening
she may be refastening
we may be refastening
you may be refastening
they may be refastening	I may have refastened
you may have refastened
she 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
she 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 may not refasten
you may not refasten
she may not refasten
we may not refasten
you may not refasten
they may not refasten 	I may not be refastening
you may not be refastening
she may not be refastening
we may not be refastening
you may not be refastening
they may not be refastening	I may not have refastened
you may not have refastened
she may not have refastened
we may not have refastened
you may not have refastened
they may not have refastened	I may not have been refastening
you may not have been refastening
she may not have been refastening
we may not have been refastening
you may not have been refastening
they may not have been refastening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I refasten?
may you refasten?
may she refasten?
may we refasten?
may you refasten?
may they refasten? 	may I be refastening?
may you be refastening?
may she be refastening?
may we be refastening?
may you be refastening?
may they be refastening? 	may I have refastened?
may you have refastened?
may she 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 she 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 	
may I not refasten?
may you not refasten?
may she not refasten?
may we not refasten?
may you not refasten?
may they not refasten? 	may I not be refastening?
may you not be refastening?
may she not be refastening?
may we not be refastening?
may you not be refastening?
may they not be refastening? 	may I not have refastened?
may you not have refastened?
may she not have refastened?
may we not have refastened?
may you not have refastened?
may they not have refastened? 	may I not have been refastening?
may you not have been refastening?
may she not have been refastening?
may we not have been refastening?
may you not have been refastening?
may they not have been refastening?