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
she may proof
we may proof
you may proof
they may proof 	I may be proofing
you may be proofing
she may be proofing
we may be proofing
you may be proofing
they may be proofing	I may have proofed
you may have proofed
she 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
she 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 may not proof
you may not proof
she may not proof
we may not proof
you may not proof
they may not proof 	I may not be proofing
you may not be proofing
she may not be proofing
we may not be proofing
you may not be proofing
they may not be proofing	I may not have proofed
you may not have proofed
she may not have proofed
we may not have proofed
you may not have proofed
they may not have proofed	I may not have been proofing
you may not have been proofing
she may not have been proofing
we may not have been proofing
you may not have been proofing
they may not have been proofing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I proof?
may you proof?
may she proof?
may we proof?
may you proof?
may they proof? 	may I be proofing?
may you be proofing?
may she be proofing?
may we be proofing?
may you be proofing?
may they be proofing? 	may I have proofed?
may you have proofed?
may she 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 she 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 	
may I not proof?
may you not proof?
may she not proof?
may we not proof?
may you not proof?
may they not proof? 	may I not be proofing?
may you not be proofing?
may she not be proofing?
may we not be proofing?
may you not be proofing?
may they not be proofing? 	may I not have proofed?
may you not have proofed?
may she not have proofed?
may we not have proofed?
may you not have proofed?
may they not have proofed? 	may I not have been proofing?
may you not have been proofing?
may she not have been proofing?
may we not have been proofing?
may you not have been proofing?
may they not have been proofing?