may rub
Verbo regular: rub - rubbed- rubbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may rub
you may rub
he may rub
we may rub
you may rub
they may rub 	I may be rubbing
you may be rubbing
he may be rubbing
we may be rubbing
you may be rubbing
they may be rubbing	I may have rubbed
you may have rubbed
he may have rubbed
we may have rubbed
you may have rubbed
they may have rubbed	I may have been rubbing
you may have been rubbing
he may have been rubbing
we may have been rubbing
you may have been rubbing
they may have been rubbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't rub
you mayn't rub
he mayn't rub
we mayn't rub
you mayn't rub
they mayn't rub 	I mayn't be rubbing
you mayn't be rubbing
he mayn't be rubbing
we mayn't be rubbing
you mayn't be rubbing
they mayn't be rubbing	I mayn't have rubbed
you mayn't have rubbed
he mayn't have rubbed
we mayn't have rubbed
you mayn't have rubbed
they mayn't have rubbed	I mayn't have been rubbing
you mayn't have been rubbing
he mayn't have been rubbing
we mayn't have been rubbing
you mayn't have been rubbing
they mayn't have been rubbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I rub?
may you rub?
may he rub?
may we rub?
may you rub?
may they rub? 	may I be rubbing?
may you be rubbing?
may he be rubbing?
may we be rubbing?
may you be rubbing?
may they be rubbing? 	may I have rubbed?
may you have rubbed?
may he have rubbed?
may we have rubbed?
may you have rubbed?
may they have rubbed? 	may I have been rubbing?
may you have been rubbing?
may he have been rubbing?
may we have been rubbing?
may you have been rubbing?
may they have been rubbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I rub?
mayn't you rub?
mayn't he rub?
mayn't we rub?
mayn't you rub?
mayn't they rub? 	mayn't I be rubbing?
mayn't you be rubbing?
mayn't he be rubbing?
mayn't we be rubbing?
mayn't you be rubbing?
mayn't they be rubbing? 	mayn't I have rubbed?
mayn't you have rubbed?
mayn't he have rubbed?
mayn't we have rubbed?
mayn't you have rubbed?
mayn't they have rubbed? 	mayn't I have been rubbing?
mayn't you have been rubbing?
mayn't he have been rubbing?
mayn't we have been rubbing?
mayn't you have been rubbing?
mayn't they have been rubbing?