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