may bitter
Verbo regular: bitter - bittered- bittered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may bitter
you may bitter
he may bitter
we may bitter
you may bitter
they may bitter 	I may be bittering
you may be bittering
he may be bittering
we may be bittering
you may be bittering
they may be bittering	I may have bittered
you may have bittered
he may have bittered
we may have bittered
you may have bittered
they may have bittered	I may have been bittering
you may have been bittering
he may have been bittering
we may have been bittering
you may have been bittering
they may have been bittering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not bitter
you may not bitter
he may not bitter
we may not bitter
you may not bitter
they may not bitter 	I may not be bittering
you may not be bittering
he may not be bittering
we may not be bittering
you may not be bittering
they may not be bittering	I may not have bittered
you may not have bittered
he may not have bittered
we may not have bittered
you may not have bittered
they may not have bittered	I may not have been bittering
you may not have been bittering
he may not have been bittering
we may not have been bittering
you may not have been bittering
they may not have been bittering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I bitter?
may you bitter?
may he bitter?
may we bitter?
may you bitter?
may they bitter? 	may I be bittering?
may you be bittering?
may he be bittering?
may we be bittering?
may you be bittering?
may they be bittering? 	may I have bittered?
may you have bittered?
may he have bittered?
may we have bittered?
may you have bittered?
may they have bittered? 	may I have been bittering?
may you have been bittering?
may he have been bittering?
may we have been bittering?
may you have been bittering?
may they have been bittering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not bitter?
may you not bitter?
may he not bitter?
may we not bitter?
may you not bitter?
may they not bitter? 	may I not be bittering?
may you not be bittering?
may he not be bittering?
may we not be bittering?
may you not be bittering?
may they not be bittering? 	may I not have bittered?
may you not have bittered?
may he not have bittered?
may we not have bittered?
may you not have bittered?
may they not have bittered? 	may I not have been bittering?
may you not have been bittering?
may he not have been bittering?
may we not have been bittering?
may you not have been bittering?
may they not have been bittering?