I'd be birling you'd be birling she'd be birling we'd be birling you'd be birling they'd be birling
Perfect
I would've birled you would've birled she would've birled we would've birled you would've birled they would've birled
V-ing perfect
I would've been birling you would've been birling she would've been birling we would've been birling you would've been birling they would've been birling
Negation
Simple form
I wouldn't birl you wouldn't birl she wouldn't birl we wouldn't birl you wouldn't birl they wouldn't birl
V-ing form
I wouldn't be birling you wouldn't be birling she wouldn't be birling we wouldn't be birling you wouldn't be birling they wouldn't be birling
Perfect
I wouldn't have birled you wouldn't have birled she wouldn't have birled we wouldn't have birled you wouldn't have birled they wouldn't have birled
V-ing perfect
I wouldn't have been birling you wouldn't have been birling she wouldn't have been birling we wouldn't have been birling you wouldn't have been birling they wouldn't have been birling
Interrogative form
Simple form
would I birl? would you birl? would she birl? would we birl? would you birl? would they birl?
V-ing form
would I be birling? would you be birling? would she be birling? would we be birling? would you be birling? would they be birling?
Perfect
would I have birled? would you have birled? would she have birled? would we have birled? would you have birled? would they have birled?
V-ing perfect
would I have been birling? would you have been birling? would she have been birling? would we have been birling? would you have been birling? would they have been birling?
Interro-negative form
Simple form
wouldn't I birl? wouldn't you birl? wouldn't she birl? wouldn't we birl? wouldn't you birl? wouldn't they birl?
V-ing form
wouldn't I be birling? wouldn't you be birling? wouldn't she be birling? wouldn't we be birling? wouldn't you be birling? wouldn't they be birling?
Perfect
wouldn't I have birled? wouldn't you have birled? wouldn't she have birled? wouldn't we have birled? wouldn't you have birled? wouldn't they have birled?
V-ing perfect
wouldn't I have been birling? wouldn't you have been birling? wouldn't she have been birling? wouldn't we have been birling? wouldn't you have been birling? wouldn't they have been birling?