English verb conjugation
CAN BRAINSTORM

Regular verb: brainstorm - brainstormed - brainstormed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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