English verb conjugation
MAY EARN

Regular verb: earn - earned - earned

Affirmation

Simple form	V-ing form
I may earn you may earn she may earn we may earn you may earn they may earn	I may be earning you may be earning she may be earning we may be earning you may be earning they may be earning
Perfect	V-ing perfect
I may have earned you may have earned she may have earned we may have earned you may have earned they may have earned	I may have been earning you may have been earning she may have been earning we may have been earning you may have been earning they may have been earning

Negation

Simple form	V-ing form
I mayn't earn you mayn't earn she mayn't earn we mayn't earn you mayn't earn they mayn't earn	I mayn't be earning you mayn't be earning she mayn't be earning we mayn't be earning you mayn't be earning they mayn't be earning
Perfect	V-ing perfect
I mayn't have earned you mayn't have earned she mayn't have earned we mayn't have earned you mayn't have earned they mayn't have earned	I mayn't have been earning you mayn't have been earning she mayn't have been earning we mayn't have been earning you mayn't have been earning they mayn't have been earning

Interrogative form

Simple form	V-ing form
may I earn? may you earn? may she earn? may we earn? may you earn? may they earn?	may I be earning? may you be earning? may she be earning? may we be earning? may you be earning? may they be earning?
Perfect	V-ing perfect
may I have earned? may you have earned? may she have earned? may we have earned? may you have earned? may they have earned?	may I have been earning? may you have been earning? may she have been earning? may we have been earning? may you have been earning? may they have been earning?

Interro-negative form

Simple form	V-ing form
mayn't I earn? mayn't you earn? mayn't she earn? mayn't we earn? mayn't you earn? mayn't they earn?	mayn't I be earning? mayn't you be earning? mayn't she be earning? mayn't we be earning? mayn't you be earning? mayn't they be earning?
Perfect	V-ing perfect
mayn't I have earned? mayn't you have earned? mayn't she have earned? mayn't we have earned? mayn't you have earned? mayn't they have earned?	mayn't I have been earning? mayn't you have been earning? mayn't she have been earning? mayn't we have been earning? mayn't you have been earning? mayn't they have been earning?