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