may refund
Verbo regular: refund - refunded- refunded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may refund
you may refund
he may refund
we may refund
you may refund
they may refund 	I may be refunding
you may be refunding
he may be refunding
we may be refunding
you may be refunding
they may be refunding	I may have refunded
you may have refunded
he may have refunded
we may have refunded
you may have refunded
they may have refunded	I may have been refunding
you may have been refunding
he may have been refunding
we may have been refunding
you may have been refunding
they may have been refunding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't refund
you mayn't refund
he mayn't refund
we mayn't refund
you mayn't refund
they mayn't refund 	I mayn't be refunding
you mayn't be refunding
he mayn't be refunding
we mayn't be refunding
you mayn't be refunding
they mayn't be refunding	I mayn't have refunded
you mayn't have refunded
he mayn't have refunded
we mayn't have refunded
you mayn't have refunded
they mayn't have refunded	I mayn't have been refunding
you mayn't have been refunding
he mayn't have been refunding
we mayn't have been refunding
you mayn't have been refunding
they mayn't have been refunding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I refund?
may you refund?
may he refund?
may we refund?
may you refund?
may they refund? 	may I be refunding?
may you be refunding?
may he be refunding?
may we be refunding?
may you be refunding?
may they be refunding? 	may I have refunded?
may you have refunded?
may he have refunded?
may we have refunded?
may you have refunded?
may they have refunded? 	may I have been refunding?
may you have been refunding?
may he have been refunding?
may we have been refunding?
may you have been refunding?
may they have been refunding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I refund?
mayn't you refund?
mayn't he refund?
mayn't we refund?
mayn't you refund?
mayn't they refund? 	mayn't I be refunding?
mayn't you be refunding?
mayn't he be refunding?
mayn't we be refunding?
mayn't you be refunding?
mayn't they be refunding? 	mayn't I have refunded?
mayn't you have refunded?
mayn't he have refunded?
mayn't we have refunded?
mayn't you have refunded?
mayn't they have refunded? 	mayn't I have been refunding?
mayn't you have been refunding?
mayn't he have been refunding?
mayn't we have been refunding?
mayn't you have been refunding?
mayn't they have been refunding?