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 mayn't plumb
you mayn't plumb
he mayn't plumb
we mayn't plumb
you mayn't plumb
they mayn't plumb 	I mayn't be plumbing
you mayn't be plumbing
he mayn't be plumbing
we mayn't be plumbing
you mayn't be plumbing
they mayn't be plumbing	I mayn't have plumbed
you mayn't have plumbed
he mayn't have plumbed
we mayn't have plumbed
you mayn't have plumbed
they mayn't have plumbed	I mayn't have been plumbing
you mayn't have been plumbing
he mayn't have been plumbing
we mayn't have been plumbing
you mayn't have been plumbing
they mayn't 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 	
mayn't I plumb?
mayn't you plumb?
mayn't he plumb?
mayn't we plumb?
mayn't you plumb?
mayn't they plumb? 	mayn't I be plumbing?
mayn't you be plumbing?
mayn't he be plumbing?
mayn't we be plumbing?
mayn't you be plumbing?
mayn't they be plumbing? 	mayn't I have plumbed?
mayn't you have plumbed?
mayn't he have plumbed?
mayn't we have plumbed?
mayn't you have plumbed?
mayn't they have plumbed? 	mayn't I have been plumbing?
mayn't you have been plumbing?
mayn't he have been plumbing?
mayn't we have been plumbing?
mayn't you have been plumbing?
mayn't they have been plumbing?