English verb conjugation
MAY TURN

Regular verb: turn - turned - turned

Affirmation

Simple form	V-ing form
I may turn you may turn he may turn we may turn you may turn they may turn	I may be turning you may be turning he may be turning we may be turning you may be turning they may be turning
Perfect	V-ing perfect
I may have turned you may have turned he may have turned we may have turned you may have turned they may have turned	I may have been turning you may have been turning he may have been turning we may have been turning you may have been turning they may have been turning

Negation

Simple form	V-ing form
I mayn't turn you mayn't turn he mayn't turn we mayn't turn you mayn't turn they mayn't turn	I mayn't be turning you mayn't be turning he mayn't be turning we mayn't be turning you mayn't be turning they mayn't be turning
Perfect	V-ing perfect
I mayn't have turned you mayn't have turned he mayn't have turned we mayn't have turned you mayn't have turned they mayn't have turned	I mayn't have been turning you mayn't have been turning he mayn't have been turning we mayn't have been turning you mayn't have been turning they mayn't have been turning

Interrogative form

Simple form	V-ing form
may I turn? may you turn? may he turn? may we turn? may you turn? may they turn?	may I be turning? may you be turning? may he be turning? may we be turning? may you be turning? may they be turning?
Perfect	V-ing perfect
may I have turned? may you have turned? may he have turned? may we have turned? may you have turned? may they have turned?	may I have been turning? may you have been turning? may he have been turning? may we have been turning? may you have been turning? may they have been turning?

Interro-negative form

Simple form	V-ing form
mayn't I turn? mayn't you turn? mayn't he turn? mayn't we turn? mayn't you turn? mayn't they turn?	mayn't I be turning? mayn't you be turning? mayn't he be turning? mayn't we be turning? mayn't you be turning? mayn't they be turning?
Perfect	V-ing perfect
mayn't I have turned? mayn't you have turned? mayn't he have turned? mayn't we have turned? mayn't you have turned? mayn't they have turned?	mayn't I have been turning? mayn't you have been turning? mayn't he have been turning? mayn't we have been turning? mayn't you have been turning? mayn't they have been turning?