English verb conjugation COULD BRAINSTORM

Regular verb: brainstorm - brainstormed - brainstormed

Affirmation

Simple form

I could brainstorm
you could brainstorm
he could brainstorm
we could brainstorm
you could brainstorm
they could brainstorm

V-ing form

I could be brainstorming
you could be brainstorming
he could be brainstorming
we could be brainstorming
you could be brainstorming
they could be brainstorming

Perfect

I could have brainstormed
you could have brainstormed
he could have brainstormed
we could have brainstormed
you could have brainstormed
they could have brainstormed

V-ing perfect

I could have been brainstorming
you could have been brainstorming
he could have been brainstorming
we could have been brainstorming
you could have been brainstorming
they could have been brainstorming

Negation

Simple form

I couldn't brainstorm
you couldn't brainstorm
he couldn't brainstorm
we couldn't brainstorm
you couldn't brainstorm
they couldn't brainstorm

V-ing form

I couldn't be brainstorming
you couldn't be brainstorming
he couldn't be brainstorming
we couldn't be brainstorming
you couldn't be brainstorming
they couldn't be brainstorming

Perfect

I couldn't have brainstormed
you couldn't have brainstormed
he couldn't have brainstormed
we couldn't have brainstormed
you couldn't have brainstormed
they couldn't have brainstormed

V-ing perfect

I couldn't have been brainstorming
you couldn't have been brainstorming
he couldn't have been brainstorming
we couldn't have been brainstorming
you couldn't have been brainstorming
they couldn't have been brainstorming

Interrogative form

Simple form

could I brainstorm?
could you brainstorm?
could he brainstorm?
could we brainstorm?
could you brainstorm?
could they brainstorm?

V-ing form

could I be brainstorming?
could you be brainstorming?
could he be brainstorming?
could we be brainstorming?
could you be brainstorming?
could they be brainstorming?

Perfect

could I have brainstormed?
could you have brainstormed?
could he have brainstormed?
could we have brainstormed?
could you have brainstormed?
could they have brainstormed?

V-ing perfect

could I have been brainstorming?
could you have been brainstorming?
could he have been brainstorming?
could we have been brainstorming?
could you have been brainstorming?
could they have been brainstorming?

Interro-negative form

Simple form

couldn't I brainstorm?
couldn't you brainstorm?
couldn't he brainstorm?
couldn't we brainstorm?
couldn't you brainstorm?
couldn't they brainstorm?

V-ing form

couldn't I be brainstorming?
couldn't you be brainstorming?
couldn't he be brainstorming?
couldn't we be brainstorming?
couldn't you be brainstorming?
couldn't they be brainstorming?

Perfect

couldn't I have brainstormed?
couldn't you have brainstormed?
couldn't he have brainstormed?
couldn't we have brainstormed?
couldn't you have brainstormed?
couldn't they have brainstormed?

V-ing perfect

couldn't I have been brainstorming?
couldn't you have been brainstorming?
couldn't he have been brainstorming?
couldn't we have been brainstorming?
couldn't you have been brainstorming?
couldn't they have been brainstorming?

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