English verb conjugation
COULD BREW

Regular verb: brew - brewed - brewed

Affirmation

Simple form	V-ing form
I could brew you could brew she could brew we could brew you could brew they could brew	I could be brewing you could be brewing she could be brewing we could be brewing you could be brewing they could be brewing
Perfect	V-ing perfect
I could have brewed you could have brewed she could have brewed we could have brewed you could have brewed they could have brewed	I could have been brewing you could have been brewing she could have been brewing we could have been brewing you could have been brewing they could have been brewing

Negation

Simple form	V-ing form
I couldn't brew you couldn't brew she couldn't brew we couldn't brew you couldn't brew they couldn't brew	I couldn't be brewing you couldn't be brewing she couldn't be brewing we couldn't be brewing you couldn't be brewing they couldn't be brewing
Perfect	V-ing perfect
I couldn't have brewed you couldn't have brewed she couldn't have brewed we couldn't have brewed you couldn't have brewed they couldn't have brewed	I couldn't have been brewing you couldn't have been brewing she couldn't have been brewing we couldn't have been brewing you couldn't have been brewing they couldn't have been brewing

Interrogative form

Simple form	V-ing form
could I brew? could you brew? could she brew? could we brew? could you brew? could they brew?	could I be brewing? could you be brewing? could she be brewing? could we be brewing? could you be brewing? could they be brewing?
Perfect	V-ing perfect
could I have brewed? could you have brewed? could she have brewed? could we have brewed? could you have brewed? could they have brewed?	could I have been brewing? could you have been brewing? could she have been brewing? could we have been brewing? could you have been brewing? could they have been brewing?

Interro-negative form

Simple form	V-ing form
couldn't I brew? couldn't you brew? couldn't she brew? couldn't we brew? couldn't you brew? couldn't they brew?	couldn't I be brewing? couldn't you be brewing? couldn't she be brewing? couldn't we be brewing? couldn't you be brewing? couldn't they be brewing?
Perfect	V-ing perfect
couldn't I have brewed? couldn't you have brewed? couldn't she have brewed? couldn't we have brewed? couldn't you have brewed? couldn't they have brewed?	couldn't I have been brewing? couldn't you have been brewing? couldn't she have been brewing? couldn't we have been brewing? couldn't you have been brewing? couldn't they have been brewing?