may crib
Verbo regular: crib - cribbed- cribbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may crib
you may crib
he may crib
we may crib
you may crib
they may crib 	I may be cribbing
you may be cribbing
he may be cribbing
we may be cribbing
you may be cribbing
they may be cribbing	I may have cribbed
you may have cribbed
he may have cribbed
we may have cribbed
you may have cribbed
they may have cribbed	I may have been cribbing
you may have been cribbing
he may have been cribbing
we may have been cribbing
you may have been cribbing
they may have been cribbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not crib
you may not crib
he may not crib
we may not crib
you may not crib
they may not crib 	I may not be cribbing
you may not be cribbing
he may not be cribbing
we may not be cribbing
you may not be cribbing
they may not be cribbing	I may not have cribbed
you may not have cribbed
he may not have cribbed
we may not have cribbed
you may not have cribbed
they may not have cribbed	I may not have been cribbing
you may not have been cribbing
he may not have been cribbing
we may not have been cribbing
you may not have been cribbing
they may not have been cribbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I crib?
may you crib?
may he crib?
may we crib?
may you crib?
may they crib? 	may I be cribbing?
may you be cribbing?
may he be cribbing?
may we be cribbing?
may you be cribbing?
may they be cribbing? 	may I have cribbed?
may you have cribbed?
may he have cribbed?
may we have cribbed?
may you have cribbed?
may they have cribbed? 	may I have been cribbing?
may you have been cribbing?
may he have been cribbing?
may we have been cribbing?
may you have been cribbing?
may they have been cribbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not crib?
may you not crib?
may he not crib?
may we not crib?
may you not crib?
may they not crib? 	may I not be cribbing?
may you not be cribbing?
may he not be cribbing?
may we not be cribbing?
may you not be cribbing?
may they not be cribbing? 	may I not have cribbed?
may you not have cribbed?
may he not have cribbed?
may we not have cribbed?
may you not have cribbed?
may they not have cribbed? 	may I not have been cribbing?
may you not have been cribbing?
may he not have been cribbing?
may we not have been cribbing?
may you not have been cribbing?
may they not have been cribbing?