may checker
Verbo regular: checker - checkered- checkered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may checker
you may checker
she may checker
we may checker
you may checker
they may checker 	I may be checkering
you may be checkering
she may be checkering
we may be checkering
you may be checkering
they may be checkering	I may have checkered
you may have checkered
she may have checkered
we may have checkered
you may have checkered
they may have checkered	I may have been checkering
you may have been checkering
she may have been checkering
we may have been checkering
you may have been checkering
they may have been checkering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not checker
you may not checker
she may not checker
we may not checker
you may not checker
they may not checker 	I may not be checkering
you may not be checkering
she may not be checkering
we may not be checkering
you may not be checkering
they may not be checkering	I may not have checkered
you may not have checkered
she may not have checkered
we may not have checkered
you may not have checkered
they may not have checkered	I may not have been checkering
you may not have been checkering
she may not have been checkering
we may not have been checkering
you may not have been checkering
they may not have been checkering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I checker?
may you checker?
may she checker?
may we checker?
may you checker?
may they checker? 	may I be checkering?
may you be checkering?
may she be checkering?
may we be checkering?
may you be checkering?
may they be checkering? 	may I have checkered?
may you have checkered?
may she have checkered?
may we have checkered?
may you have checkered?
may they have checkered? 	may I have been checkering?
may you have been checkering?
may she have been checkering?
may we have been checkering?
may you have been checkering?
may they have been checkering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not checker?
may you not checker?
may she not checker?
may we not checker?
may you not checker?
may they not checker? 	may I not be checkering?
may you not be checkering?
may she not be checkering?
may we not be checkering?
may you not be checkering?
may they not be checkering? 	may I not have checkered?
may you not have checkered?
may she not have checkered?
may we not have checkered?
may you not have checkered?
may they not have checkered? 	may I not have been checkering?
may you not have been checkering?
may she not have been checkering?
may we not have been checkering?
may you not have been checkering?
may they not have been checkering?