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