may voucher
Verbo regular: voucher - vouchered- vouchered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may voucher
you may voucher
he may voucher
we may voucher
you may voucher
they may voucher 	I may be vouchering
you may be vouchering
he may be vouchering
we may be vouchering
you may be vouchering
they may be vouchering	I may have vouchered
you may have vouchered
he may have vouchered
we may have vouchered
you may have vouchered
they may have vouchered	I may have been vouchering
you may have been vouchering
he may have been vouchering
we may have been vouchering
you may have been vouchering
they may have been vouchering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not voucher
you may not voucher
he may not voucher
we may not voucher
you may not voucher
they may not voucher 	I may not be vouchering
you may not be vouchering
he may not be vouchering
we may not be vouchering
you may not be vouchering
they may not be vouchering	I may not have vouchered
you may not have vouchered
he may not have vouchered
we may not have vouchered
you may not have vouchered
they may not have vouchered	I may not have been vouchering
you may not have been vouchering
he may not have been vouchering
we may not have been vouchering
you may not have been vouchering
they may not have been vouchering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I voucher?
may you voucher?
may he voucher?
may we voucher?
may you voucher?
may they voucher? 	may I be vouchering?
may you be vouchering?
may he be vouchering?
may we be vouchering?
may you be vouchering?
may they be vouchering? 	may I have vouchered?
may you have vouchered?
may he have vouchered?
may we have vouchered?
may you have vouchered?
may they have vouchered? 	may I have been vouchering?
may you have been vouchering?
may he have been vouchering?
may we have been vouchering?
may you have been vouchering?
may they have been vouchering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not voucher?
may you not voucher?
may he not voucher?
may we not voucher?
may you not voucher?
may they not voucher? 	may I not be vouchering?
may you not be vouchering?
may he not be vouchering?
may we not be vouchering?
may you not be vouchering?
may they not be vouchering? 	may I not have vouchered?
may you not have vouchered?
may he not have vouchered?
may we not have vouchered?
may you not have vouchered?
may they not have vouchered? 	may I not have been vouchering?
may you not have been vouchering?
may he not have been vouchering?
may we not have been vouchering?
may you not have been vouchering?
may they not have been vouchering?