English verb conjugation
WOULD QUACK

Regular verb: quack - quacked - quacked

Affirmation

Simple form	V-ing form
I'd quack you'd quack she'd quack we'd quack you'd quack they'd quack	I'd be quacking you'd be quacking she'd be quacking we'd be quacking you'd be quacking they'd be quacking
Perfect	V-ing perfect
I would've quacked you would've quacked she would've quacked we would've quacked you would've quacked they would've quacked	I would've been quacking you would've been quacking she would've been quacking we would've been quacking you would've been quacking they would've been quacking

Negation

Simple form	V-ing form
I wouldn't quack you wouldn't quack she wouldn't quack we wouldn't quack you wouldn't quack they wouldn't quack	I wouldn't be quacking you wouldn't be quacking she wouldn't be quacking we wouldn't be quacking you wouldn't be quacking they wouldn't be quacking
Perfect	V-ing perfect
I wouldn't have quacked you wouldn't have quacked she wouldn't have quacked we wouldn't have quacked you wouldn't have quacked they wouldn't have quacked	I wouldn't have been quacking you wouldn't have been quacking she wouldn't have been quacking we wouldn't have been quacking you wouldn't have been quacking they wouldn't have been quacking

Interrogative form

Simple form	V-ing form
would I quack? would you quack? would she quack? would we quack? would you quack? would they quack?	would I be quacking? would you be quacking? would she be quacking? would we be quacking? would you be quacking? would they be quacking?
Perfect	V-ing perfect
would I have quacked? would you have quacked? would she have quacked? would we have quacked? would you have quacked? would they have quacked?	would I have been quacking? would you have been quacking? would she have been quacking? would we have been quacking? would you have been quacking? would they have been quacking?

Interro-negative form

Simple form	V-ing form
wouldn't I quack? wouldn't you quack? wouldn't she quack? wouldn't we quack? wouldn't you quack? wouldn't they quack?	wouldn't I be quacking? wouldn't you be quacking? wouldn't she be quacking? wouldn't we be quacking? wouldn't you be quacking? wouldn't they be quacking?
Perfect	V-ing perfect
wouldn't I have quacked? wouldn't you have quacked? wouldn't she have quacked? wouldn't we have quacked? wouldn't you have quacked? wouldn't they have quacked?	wouldn't I have been quacking? wouldn't you have been quacking? wouldn't she have been quacking? wouldn't we have been quacking? wouldn't you have been quacking? wouldn't they have been quacking?