English verb conjugation
MAY ERR

Regular verb: err - erred - erred

Affirmation

Simple form	V-ing form
I may err you may err he may err we may err you may err they may err	I may be erring you may be erring he may be erring we may be erring you may be erring they may be erring
Perfect	V-ing perfect
I may have erred you may have erred he may have erred we may have erred you may have erred they may have erred	I may have been erring you may have been erring he may have been erring we may have been erring you may have been erring they may have been erring

Negation

Simple form	V-ing form
I mayn't err you mayn't err he mayn't err we mayn't err you mayn't err they mayn't err	I mayn't be erring you mayn't be erring he mayn't be erring we mayn't be erring you mayn't be erring they mayn't be erring
Perfect	V-ing perfect
I mayn't have erred you mayn't have erred he mayn't have erred we mayn't have erred you mayn't have erred they mayn't have erred	I mayn't have been erring you mayn't have been erring he mayn't have been erring we mayn't have been erring you mayn't have been erring they mayn't have been erring

Interrogative form

Simple form	V-ing form
may I err? may you err? may he err? may we err? may you err? may they err?	may I be erring? may you be erring? may he be erring? may we be erring? may you be erring? may they be erring?
Perfect	V-ing perfect
may I have erred? may you have erred? may he have erred? may we have erred? may you have erred? may they have erred?	may I have been erring? may you have been erring? may he have been erring? may we have been erring? may you have been erring? may they have been erring?

Interro-negative form

Simple form	V-ing form
mayn't I err? mayn't you err? mayn't he err? mayn't we err? mayn't you err? mayn't they err?	mayn't I be erring? mayn't you be erring? mayn't he be erring? mayn't we be erring? mayn't you be erring? mayn't they be erring?
Perfect	V-ing perfect
mayn't I have erred? mayn't you have erred? mayn't he have erred? mayn't we have erred? mayn't you have erred? mayn't they have erred?	mayn't I have been erring? mayn't you have been erring? mayn't he have been erring? mayn't we have been erring? mayn't you have been erring? mayn't they have been erring?