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