may mast
Verbo regular: mast - masted- masted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may mast
you may mast
she may mast
we may mast
you may mast
they may mast 	I may be masting
you may be masting
she may be masting
we may be masting
you may be masting
they may be masting	I may have masted
you may have masted
she may have masted
we may have masted
you may have masted
they may have masted	I may have been masting
you may have been masting
she may have been masting
we may have been masting
you may have been masting
they may have been masting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't mast
you mayn't mast
she mayn't mast
we mayn't mast
you mayn't mast
they mayn't mast 	I mayn't be masting
you mayn't be masting
she mayn't be masting
we mayn't be masting
you mayn't be masting
they mayn't be masting	I mayn't have masted
you mayn't have masted
she mayn't have masted
we mayn't have masted
you mayn't have masted
they mayn't have masted	I mayn't have been masting
you mayn't have been masting
she mayn't have been masting
we mayn't have been masting
you mayn't have been masting
they mayn't have been masting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I mast?
may you mast?
may she mast?
may we mast?
may you mast?
may they mast? 	may I be masting?
may you be masting?
may she be masting?
may we be masting?
may you be masting?
may they be masting? 	may I have masted?
may you have masted?
may she have masted?
may we have masted?
may you have masted?
may they have masted? 	may I have been masting?
may you have been masting?
may she have been masting?
may we have been masting?
may you have been masting?
may they have been masting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I mast?
mayn't you mast?
mayn't she mast?
mayn't we mast?
mayn't you mast?
mayn't they mast? 	mayn't I be masting?
mayn't you be masting?
mayn't she be masting?
mayn't we be masting?
mayn't you be masting?
mayn't they be masting? 	mayn't I have masted?
mayn't you have masted?
mayn't she have masted?
mayn't we have masted?
mayn't you have masted?
mayn't they have masted? 	mayn't I have been masting?
mayn't you have been masting?
mayn't she have been masting?
mayn't we have been masting?
mayn't you have been masting?
mayn't they have been masting?