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