I'd be supposing you'd be supposing he'd be supposing we'd be supposing you'd be supposing they'd be supposing
Perfect
I would've supposed you would've supposed he would've supposed we would've supposed you would've supposed they would've supposed
V-ing perfect
I would've been supposing you would've been supposing he would've been supposing we would've been supposing you would've been supposing they would've been supposing
Negation
Simple form
I wouldn't suppose you wouldn't suppose he wouldn't suppose we wouldn't suppose you wouldn't suppose they wouldn't suppose
V-ing form
I wouldn't be supposing you wouldn't be supposing he wouldn't be supposing we wouldn't be supposing you wouldn't be supposing they wouldn't be supposing
Perfect
I wouldn't have supposed you wouldn't have supposed he wouldn't have supposed we wouldn't have supposed you wouldn't have supposed they wouldn't have supposed
V-ing perfect
I wouldn't have been supposing you wouldn't have been supposing he wouldn't have been supposing we wouldn't have been supposing you wouldn't have been supposing they wouldn't have been supposing
Interrogative form
Simple form
would I suppose? would you suppose? would he suppose? would we suppose? would you suppose? would they suppose?
V-ing form
would I be supposing? would you be supposing? would he be supposing? would we be supposing? would you be supposing? would they be supposing?
Perfect
would I have supposed? would you have supposed? would he have supposed? would we have supposed? would you have supposed? would they have supposed?
V-ing perfect
would I have been supposing? would you have been supposing? would he have been supposing? would we have been supposing? would you have been supposing? would they have been supposing?
Interro-negative form
Simple form
wouldn't I suppose? wouldn't you suppose? wouldn't he suppose? wouldn't we suppose? wouldn't you suppose? wouldn't they suppose?
V-ing form
wouldn't I be supposing? wouldn't you be supposing? wouldn't he be supposing? wouldn't we be supposing? wouldn't you be supposing? wouldn't they be supposing?
Perfect
wouldn't I have supposed? wouldn't you have supposed? wouldn't he have supposed? wouldn't we have supposed? wouldn't you have supposed? wouldn't they have supposed?
V-ing perfect
wouldn't I have been supposing? wouldn't you have been supposing? wouldn't he have been supposing? wouldn't we have been supposing? wouldn't you have been supposing? wouldn't they have been supposing?