I may dock you may dock she may dock we may dock you may dock they may dock
V-ing form
I may be docking you may be docking she may be docking we may be docking you may be docking they may be docking
Perfect
I may have docked you may have docked she may have docked we may have docked you may have docked they may have docked
V-ing perfect
I may have been docking you may have been docking she may have been docking we may have been docking you may have been docking they may have been docking
Negation
Simple form
I mayn't dock you mayn't dock she mayn't dock we mayn't dock you mayn't dock they mayn't dock
V-ing form
I mayn't be docking you mayn't be docking she mayn't be docking we mayn't be docking you mayn't be docking they mayn't be docking
Perfect
I mayn't have docked you mayn't have docked she mayn't have docked we mayn't have docked you mayn't have docked they mayn't have docked
V-ing perfect
I mayn't have been docking you mayn't have been docking she mayn't have been docking we mayn't have been docking you mayn't have been docking they mayn't have been docking
Interrogative form
Simple form
may I dock? may you dock? may she dock? may we dock? may you dock? may they dock?
V-ing form
may I be docking? may you be docking? may she be docking? may we be docking? may you be docking? may they be docking?
Perfect
may I have docked? may you have docked? may she have docked? may we have docked? may you have docked? may they have docked?
V-ing perfect
may I have been docking? may you have been docking? may she have been docking? may we have been docking? may you have been docking? may they have been docking?
Interro-negative form
Simple form
mayn't I dock? mayn't you dock? mayn't she dock? mayn't we dock? mayn't you dock? mayn't they dock?
V-ing form
mayn't I be docking? mayn't you be docking? mayn't she be docking? mayn't we be docking? mayn't you be docking? mayn't they be docking?
Perfect
mayn't I have docked? mayn't you have docked? mayn't she have docked? mayn't we have docked? mayn't you have docked? mayn't they have docked?
V-ing perfect
mayn't I have been docking? mayn't you have been docking? mayn't she have been docking? mayn't we have been docking? mayn't you have been docking? mayn't they have been docking?