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