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