may bitter
Regular verb: bitter - bittered- bittered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't bitter
you mayn't bitter
he mayn't bitter
we mayn't bitter
you mayn't bitter
they mayn't bitter 	I mayn't be bittering
you mayn't be bittering
he mayn't be bittering
we mayn't be bittering
you mayn't be bittering
they mayn't be bittering	I mayn't have bittered
you mayn't have bittered
he mayn't have bittered
we mayn't have bittered
you mayn't have bittered
they mayn't have bittered	I mayn't have been bittering
you mayn't have been bittering
he mayn't have been bittering
we mayn't have been bittering
you mayn't have been bittering
they mayn't have been bittering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I bitter?
mayn't you bitter?
mayn't he bitter?
mayn't we bitter?
mayn't you bitter?
mayn't they bitter? 	mayn't I be bittering?
mayn't you be bittering?
mayn't he be bittering?
mayn't we be bittering?
mayn't you be bittering?
mayn't they be bittering? 	mayn't I have bittered?
mayn't you have bittered?
mayn't he have bittered?
mayn't we have bittered?
mayn't you have bittered?
mayn't they have bittered? 	mayn't I have been bittering?
mayn't you have been bittering?
mayn't he have been bittering?
mayn't we have been bittering?
mayn't you have been bittering?
mayn't they have been bittering?