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