may proffer
Verbo regular: proffer - proffered- proffered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may proffer
you may proffer
she may proffer
we may proffer
you may proffer
they may proffer 	I may be proffering
you may be proffering
she may be proffering
we may be proffering
you may be proffering
they may be proffering	I may have proffered
you may have proffered
she may have proffered
we may have proffered
you may have proffered
they may have proffered	I may have been proffering
you may have been proffering
she may have been proffering
we may have been proffering
you may have been proffering
they may have been proffering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not proffer
you may not proffer
she may not proffer
we may not proffer
you may not proffer
they may not proffer 	I may not be proffering
you may not be proffering
she may not be proffering
we may not be proffering
you may not be proffering
they may not be proffering	I may not have proffered
you may not have proffered
she may not have proffered
we may not have proffered
you may not have proffered
they may not have proffered	I may not have been proffering
you may not have been proffering
she may not have been proffering
we may not have been proffering
you may not have been proffering
they may not have been proffering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I proffer?
may you proffer?
may she proffer?
may we proffer?
may you proffer?
may they proffer? 	may I be proffering?
may you be proffering?
may she be proffering?
may we be proffering?
may you be proffering?
may they be proffering? 	may I have proffered?
may you have proffered?
may she have proffered?
may we have proffered?
may you have proffered?
may they have proffered? 	may I have been proffering?
may you have been proffering?
may she have been proffering?
may we have been proffering?
may you have been proffering?
may they have been proffering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not proffer?
may you not proffer?
may she not proffer?
may we not proffer?
may you not proffer?
may they not proffer? 	may I not be proffering?
may you not be proffering?
may she not be proffering?
may we not be proffering?
may you not be proffering?
may they not be proffering? 	may I not have proffered?
may you not have proffered?
may she not have proffered?
may we not have proffered?
may you not have proffered?
may they not have proffered? 	may I not have been proffering?
may you not have been proffering?
may she not have been proffering?
may we not have been proffering?
may you not have been proffering?
may they not have been proffering?