English verb conjugation
MAY RETURN

Regular verb: return - returned - returned

Affirmation

Simple form	V-ing form
I may return you may return he may return we may return you may return they may return	I may be returning you may be returning he may be returning we may be returning you may be returning they may be returning
Perfect	V-ing perfect
I may have returned you may have returned he may have returned we may have returned you may have returned they may have returned	I may have been returning you may have been returning he may have been returning we may have been returning you may have been returning they may have been returning

Negation

Simple form	V-ing form
I mayn't return you mayn't return he mayn't return we mayn't return you mayn't return they mayn't return	I mayn't be returning you mayn't be returning he mayn't be returning we mayn't be returning you mayn't be returning they mayn't be returning
Perfect	V-ing perfect
I mayn't have returned you mayn't have returned he mayn't have returned we mayn't have returned you mayn't have returned they mayn't have returned	I mayn't have been returning you mayn't have been returning he mayn't have been returning we mayn't have been returning you mayn't have been returning they mayn't have been returning

Interrogative form

Simple form	V-ing form
may I return? may you return? may he return? may we return? may you return? may they return?	may I be returning? may you be returning? may he be returning? may we be returning? may you be returning? may they be returning?
Perfect	V-ing perfect
may I have returned? may you have returned? may he have returned? may we have returned? may you have returned? may they have returned?	may I have been returning? may you have been returning? may he have been returning? may we have been returning? may you have been returning? may they have been returning?

Interro-negative form

Simple form	V-ing form
mayn't I return? mayn't you return? mayn't he return? mayn't we return? mayn't you return? mayn't they return?	mayn't I be returning? mayn't you be returning? mayn't he be returning? mayn't we be returning? mayn't you be returning? mayn't they be returning?
Perfect	V-ing perfect
mayn't I have returned? mayn't you have returned? mayn't he have returned? mayn't we have returned? mayn't you have returned? mayn't they have returned?	mayn't I have been returning? mayn't you have been returning? mayn't he have been returning? mayn't we have been returning? mayn't you have been returning? mayn't they have been returning?