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