may proof
Verbo regular: proof - proofed- proofed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may proof
you may proof
he may proof
we may proof
you may proof
they may proof 	I may be proofing
you may be proofing
he may be proofing
we may be proofing
you may be proofing
they may be proofing	I may have proofed
you may have proofed
he may have proofed
we may have proofed
you may have proofed
they may have proofed	I may have been proofing
you may have been proofing
he may have been proofing
we may have been proofing
you may have been proofing
they may have been proofing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't proof
you mayn't proof
he mayn't proof
we mayn't proof
you mayn't proof
they mayn't proof 	I mayn't be proofing
you mayn't be proofing
he mayn't be proofing
we mayn't be proofing
you mayn't be proofing
they mayn't be proofing	I mayn't have proofed
you mayn't have proofed
he mayn't have proofed
we mayn't have proofed
you mayn't have proofed
they mayn't have proofed	I mayn't have been proofing
you mayn't have been proofing
he mayn't have been proofing
we mayn't have been proofing
you mayn't have been proofing
they mayn't have been proofing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I proof?
may you proof?
may he proof?
may we proof?
may you proof?
may they proof? 	may I be proofing?
may you be proofing?
may he be proofing?
may we be proofing?
may you be proofing?
may they be proofing? 	may I have proofed?
may you have proofed?
may he have proofed?
may we have proofed?
may you have proofed?
may they have proofed? 	may I have been proofing?
may you have been proofing?
may he have been proofing?
may we have been proofing?
may you have been proofing?
may they have been proofing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I proof?
mayn't you proof?
mayn't he proof?
mayn't we proof?
mayn't you proof?
mayn't they proof? 	mayn't I be proofing?
mayn't you be proofing?
mayn't he be proofing?
mayn't we be proofing?
mayn't you be proofing?
mayn't they be proofing? 	mayn't I have proofed?
mayn't you have proofed?
mayn't he have proofed?
mayn't we have proofed?
mayn't you have proofed?
mayn't they have proofed? 	mayn't I have been proofing?
mayn't you have been proofing?
mayn't he have been proofing?
mayn't we have been proofing?
mayn't you have been proofing?
mayn't they have been proofing?