may know
Verbo irregular: know - knew- known

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may know
you may know
she may know
we may know
you may know
they may know 	I may be knowing
you may be knowing
she may be knowing
we may be knowing
you may be knowing
they may be knowing	I may have known
you may have known
she may have known
we may have known
you may have known
they may have known	I may have been knowing
you may have been knowing
she may have been knowing
we may have been knowing
you may have been knowing
they may have been knowing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not know
you may not know
she may not know
we may not know
you may not know
they may not know 	I may not be knowing
you may not be knowing
she may not be knowing
we may not be knowing
you may not be knowing
they may not be knowing	I may not have known
you may not have known
she may not have known
we may not have known
you may not have known
they may not have known	I may not have been knowing
you may not have been knowing
she may not have been knowing
we may not have been knowing
you may not have been knowing
they may not have been knowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I know?
may you know?
may she know?
may we know?
may you know?
may they know? 	may I be knowing?
may you be knowing?
may she be knowing?
may we be knowing?
may you be knowing?
may they be knowing? 	may I have known?
may you have known?
may she have known?
may we have known?
may you have known?
may they have known? 	may I have been knowing?
may you have been knowing?
may she have been knowing?
may we have been knowing?
may you have been knowing?
may they have been knowing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not know?
may you not know?
may she not know?
may we not know?
may you not know?
may they not know? 	may I not be knowing?
may you not be knowing?
may she not be knowing?
may we not be knowing?
may you not be knowing?
may they not be knowing? 	may I not have known?
may you not have known?
may she not have known?
may we not have known?
may you not have known?
may they not have known? 	may I not have been knowing?
may you not have been knowing?
may she not have been knowing?
may we not have been knowing?
may you not have been knowing?
may they not have been knowing?