English verb conjugation
MUST BRAINSTORM

Regular verb: brainstorm - brainstormed - brainstormed

Affirmation

Simple form	V-ing form
I must brainstorm you must brainstorm he must brainstorm we must brainstorm you must brainstorm they must brainstorm	I must be brainstorming you must be brainstorming he must be brainstorming we must be brainstorming you must be brainstorming they must be brainstorming
Perfect	V-ing perfect
I must have brainstormed you must have brainstormed he must have brainstormed we must have brainstormed you must have brainstormed they must have brainstormed	I must have been brainstorming you must have been brainstorming he must have been brainstorming we must have been brainstorming you must have been brainstorming they must have been brainstorming

Negation

Simple form	V-ing form
I mustn't brainstorm you mustn't brainstorm he mustn't brainstorm we mustn't brainstorm you mustn't brainstorm they mustn't brainstorm	I mustn't be brainstorming you mustn't be brainstorming he mustn't be brainstorming we mustn't be brainstorming you mustn't be brainstorming they mustn't be brainstorming
Perfect	V-ing perfect
I mustn't have brainstormed you mustn't have brainstormed he mustn't have brainstormed we mustn't have brainstormed you mustn't have brainstormed they mustn't have brainstormed	I mustn't have been brainstorming you mustn't have been brainstorming he mustn't have been brainstorming we mustn't have been brainstorming you mustn't have been brainstorming they mustn't have been brainstorming

Interrogative form

Simple form	V-ing form
must I brainstorm? must you brainstorm? must he brainstorm? must we brainstorm? must you brainstorm? must they brainstorm?	must I be brainstorming? must you be brainstorming? must he be brainstorming? must we be brainstorming? must you be brainstorming? must they be brainstorming?
Perfect	V-ing perfect
must I have brainstormed? must you have brainstormed? must he have brainstormed? must we have brainstormed? must you have brainstormed? must they have brainstormed?	must I have been brainstorming? must you have been brainstorming? must he have been brainstorming? must we have been brainstorming? must you have been brainstorming? must they have been brainstorming?

Interro-negative form

Simple form	V-ing form
mustn't I brainstorm? mustn't you brainstorm? mustn't he brainstorm? mustn't we brainstorm? mustn't you brainstorm? mustn't they brainstorm?	mustn't I be brainstorming? mustn't you be brainstorming? mustn't he be brainstorming? mustn't we be brainstorming? mustn't you be brainstorming? mustn't they be brainstorming?
Perfect	V-ing perfect
mustn't I have brainstormed? mustn't you have brainstormed? mustn't he have brainstormed? mustn't we have brainstormed? mustn't you have brainstormed? mustn't they have brainstormed?	mustn't I have been brainstorming? mustn't you have been brainstorming? mustn't he have been brainstorming? mustn't we have been brainstorming? mustn't you have been brainstorming? mustn't they have been brainstorming?