I can brew you can brew he can brew we can brew you can brew they can brew
V-ing form
I can be brewing you can be brewing he can be brewing we can be brewing you can be brewing they can be brewing
Perfect
I can have brewed you can have brewed he can have brewed we can have brewed you can have brewed they can have brewed
V-ing perfect
I can have been brewing you can have been brewing he can have been brewing we can have been brewing you can have been brewing they can have been brewing
Negation
Simple form
I can't brew you can't brew he can't brew we can't brew you can't brew they can't brew
V-ing form
I can't be brewing you can't be brewing he can't be brewing we can't be brewing you can't be brewing they can't be brewing
Perfect
I can't have brewed you can't have brewed he can't have brewed we can't have brewed you can't have brewed they can't have brewed
V-ing perfect
I can't have been brewing you can't have been brewing he can't have been brewing we can't have been brewing you can't have been brewing they can't have been brewing
Interrogative form
Simple form
can I brew? can you brew? can he brew? can we brew? can you brew? can they brew?
V-ing form
can I be brewing? can you be brewing? can he be brewing? can we be brewing? can you be brewing? can they be brewing?
Perfect
can I have brewed? can you have brewed? can he have brewed? can we have brewed? can you have brewed? can they have brewed?
V-ing perfect
can I have been brewing? can you have been brewing? can he have been brewing? can we have been brewing? can you have been brewing? can they have been brewing?
Interro-negative form
Simple form
can't I brew? can't you brew? can't he brew? can't we brew? can't you brew? can't they brew?
V-ing form
can't I be brewing? can't you be brewing? can't he be brewing? can't we be brewing? can't you be brewing? can't they be brewing?
Perfect
can't I have brewed? can't you have brewed? can't he have brewed? can't we have brewed? can't you have brewed? can't they have brewed?
V-ing perfect
can't I have been brewing? can't you have been brewing? can't he have been brewing? can't we have been brewing? can't you have been brewing? can't they have been brewing?