I may breed you may breed he may breed we may breed you may breed they may breed
V-ing form
I may be breeding you may be breeding he may be breeding we may be breeding you may be breeding they may be breeding
Perfect
I may have bred you may have bred he may have bred we may have bred you may have bred they may have bred
V-ing perfect
I may have been breeding you may have been breeding he may have been breeding we may have been breeding you may have been breeding they may have been breeding
Negation
Simple form
I mayn't breed you mayn't breed he mayn't breed we mayn't breed you mayn't breed they mayn't breed
V-ing form
I mayn't be breeding you mayn't be breeding he mayn't be breeding we mayn't be breeding you mayn't be breeding they mayn't be breeding
Perfect
I mayn't have bred you mayn't have bred he mayn't have bred we mayn't have bred you mayn't have bred they mayn't have bred
V-ing perfect
I mayn't have been breeding you mayn't have been breeding he mayn't have been breeding we mayn't have been breeding you mayn't have been breeding they mayn't have been breeding
Interrogative form
Simple form
may I breed? may you breed? may he breed? may we breed? may you breed? may they breed?
V-ing form
may I be breeding? may you be breeding? may he be breeding? may we be breeding? may you be breeding? may they be breeding?
Perfect
may I have bred? may you have bred? may he have bred? may we have bred? may you have bred? may they have bred?
V-ing perfect
may I have been breeding? may you have been breeding? may he have been breeding? may we have been breeding? may you have been breeding? may they have been breeding?
Interro-negative form
Simple form
mayn't I breed? mayn't you breed? mayn't he breed? mayn't we breed? mayn't you breed? mayn't they breed?
V-ing form
mayn't I be breeding? mayn't you be breeding? mayn't he be breeding? mayn't we be breeding? mayn't you be breeding? mayn't they be breeding?
Perfect
mayn't I have bred? mayn't you have bred? mayn't he have bred? mayn't we have bred? mayn't you have bred? mayn't they have bred?
V-ing perfect
mayn't I have been breeding? mayn't you have been breeding? mayn't he have been breeding? mayn't we have been breeding? mayn't you have been breeding? mayn't they have been breeding?