English verb conjugation
MAY MARK

Regular verb: mark - marked - marked

Affirmation

Simple form	V-ing form
I may mark you may mark she may mark we may mark you may mark they may mark	I may be marking you may be marking she may be marking we may be marking you may be marking they may be marking
Perfect	V-ing perfect
I may have marked you may have marked she may have marked we may have marked you may have marked they may have marked	I may have been marking you may have been marking she may have been marking we may have been marking you may have been marking they may have been marking

Negation

Simple form	V-ing form
I mayn't mark you mayn't mark she mayn't mark we mayn't mark you mayn't mark they mayn't mark	I mayn't be marking you mayn't be marking she mayn't be marking we mayn't be marking you mayn't be marking they mayn't be marking
Perfect	V-ing perfect
I mayn't have marked you mayn't have marked she mayn't have marked we mayn't have marked you mayn't have marked they mayn't have marked	I mayn't have been marking you mayn't have been marking she mayn't have been marking we mayn't have been marking you mayn't have been marking they mayn't have been marking

Interrogative form

Simple form	V-ing form
may I mark? may you mark? may she mark? may we mark? may you mark? may they mark?	may I be marking? may you be marking? may she be marking? may we be marking? may you be marking? may they be marking?
Perfect	V-ing perfect
may I have marked? may you have marked? may she have marked? may we have marked? may you have marked? may they have marked?	may I have been marking? may you have been marking? may she have been marking? may we have been marking? may you have been marking? may they have been marking?

Interro-negative form

Simple form	V-ing form
mayn't I mark? mayn't you mark? mayn't she mark? mayn't we mark? mayn't you mark? mayn't they mark?	mayn't I be marking? mayn't you be marking? mayn't she be marking? mayn't we be marking? mayn't you be marking? mayn't they be marking?
Perfect	V-ing perfect
mayn't I have marked? mayn't you have marked? mayn't she have marked? mayn't we have marked? mayn't you have marked? mayn't they have marked?	mayn't I have been marking? mayn't you have been marking? mayn't she have been marking? mayn't we have been marking? mayn't you have been marking? mayn't they have been marking?