may lumber
Verbo regular: lumber - lumbered- lumbered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may lumber
you may lumber
he may lumber
we may lumber
you may lumber
they may lumber 	I may be lumbering
you may be lumbering
he may be lumbering
we may be lumbering
you may be lumbering
they may be lumbering	I may have lumbered
you may have lumbered
he may have lumbered
we may have lumbered
you may have lumbered
they may have lumbered	I may have been lumbering
you may have been lumbering
he may have been lumbering
we may have been lumbering
you may have been lumbering
they may have been lumbering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not lumber
you may not lumber
he may not lumber
we may not lumber
you may not lumber
they may not lumber 	I may not be lumbering
you may not be lumbering
he may not be lumbering
we may not be lumbering
you may not be lumbering
they may not be lumbering	I may not have lumbered
you may not have lumbered
he may not have lumbered
we may not have lumbered
you may not have lumbered
they may not have lumbered	I may not have been lumbering
you may not have been lumbering
he may not have been lumbering
we may not have been lumbering
you may not have been lumbering
they may not have been lumbering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I lumber?
may you lumber?
may he lumber?
may we lumber?
may you lumber?
may they lumber? 	may I be lumbering?
may you be lumbering?
may he be lumbering?
may we be lumbering?
may you be lumbering?
may they be lumbering? 	may I have lumbered?
may you have lumbered?
may he have lumbered?
may we have lumbered?
may you have lumbered?
may they have lumbered? 	may I have been lumbering?
may you have been lumbering?
may he have been lumbering?
may we have been lumbering?
may you have been lumbering?
may they have been lumbering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not lumber?
may you not lumber?
may he not lumber?
may we not lumber?
may you not lumber?
may they not lumber? 	may I not be lumbering?
may you not be lumbering?
may he not be lumbering?
may we not be lumbering?
may you not be lumbering?
may they not be lumbering? 	may I not have lumbered?
may you not have lumbered?
may he not have lumbered?
may we not have lumbered?
may you not have lumbered?
may they not have lumbered? 	may I not have been lumbering?
may you not have been lumbering?
may he not have been lumbering?
may we not have been lumbering?
may you not have been lumbering?
may they not have been lumbering?