may plumb
Verbo regular: plumb - plumbed- plumbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may plumb
you may plumb
he may plumb
we may plumb
you may plumb
they may plumb 	I may be plumbing
you may be plumbing
he may be plumbing
we may be plumbing
you may be plumbing
they may be plumbing	I may have plumbed
you may have plumbed
he may have plumbed
we may have plumbed
you may have plumbed
they may have plumbed	I may have been plumbing
you may have been plumbing
he may have been plumbing
we may have been plumbing
you may have been plumbing
they may have been plumbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not plumb
you may not plumb
he may not plumb
we may not plumb
you may not plumb
they may not plumb 	I may not be plumbing
you may not be plumbing
he may not be plumbing
we may not be plumbing
you may not be plumbing
they may not be plumbing	I may not have plumbed
you may not have plumbed
he may not have plumbed
we may not have plumbed
you may not have plumbed
they may not have plumbed	I may not have been plumbing
you may not have been plumbing
he may not have been plumbing
we may not have been plumbing
you may not have been plumbing
they may not have been plumbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I plumb?
may you plumb?
may he plumb?
may we plumb?
may you plumb?
may they plumb? 	may I be plumbing?
may you be plumbing?
may he be plumbing?
may we be plumbing?
may you be plumbing?
may they be plumbing? 	may I have plumbed?
may you have plumbed?
may he have plumbed?
may we have plumbed?
may you have plumbed?
may they have plumbed? 	may I have been plumbing?
may you have been plumbing?
may he have been plumbing?
may we have been plumbing?
may you have been plumbing?
may they have been plumbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not plumb?
may you not plumb?
may he not plumb?
may we not plumb?
may you not plumb?
may they not plumb? 	may I not be plumbing?
may you not be plumbing?
may he not be plumbing?
may we not be plumbing?
may you not be plumbing?
may they not be plumbing? 	may I not have plumbed?
may you not have plumbed?
may he not have plumbed?
may we not have plumbed?
may you not have plumbed?
may they not have plumbed? 	may I not have been plumbing?
may you not have been plumbing?
may he not have been plumbing?
may we not have been plumbing?
may you not have been plumbing?
may they not have been plumbing?