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 may not earn you may not earn she may not earn we may not earn you may not earn they may not earn	I may not be earning you may not be earning she may not be earning we may not be earning you may not be earning they may not be earning
Perfect	V-ing perfect
I may not have earned you may not have earned she may not have earned we may not have earned you may not have earned they may not have earned	I may not have been earning you may not have been earning she may not have been earning we may not have been earning you may not have been earning they may not 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
may I not earn? may you not earn? may she not earn? may we not earn? may you not earn? may they not earn?	may I not be earning? may you not be earning? may she not be earning? may we not be earning? may you not be earning? may they not be earning?
Perfect	V-ing perfect
may I not have earned? may you not have earned? may she not have earned? may we not have earned? may you not have earned? may they not have earned?	may I not have been earning? may you not have been earning? may she not have been earning? may we not have been earning? may you not have been earning? may they not have been earning?