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