English verb conjugation
MAY EARN

Regular verb: earn - earned - earned

Affirmation

Simple form	V-ing form
I may earn you may earn he may earn we may earn you may earn they may earn	I may be earning you may be earning he 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 he 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 he 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 he 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 he 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 he 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 he 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 he earn? may we earn? may you earn? may they earn?	may I be earning? may you be earning? may he 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 he 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 he 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 he 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 he 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 he 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 he have been earning? mayn't we have been earning? mayn't you have been earning? mayn't they have been earning?