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