I'll be supposing you'll be supposing he'll be supposing we'll be supposing you'll be supposing they'll be supposing
Future perfect
I'll have supposed you'll have supposed he'll have supposed we'll have supposed you'll have supposed they'll have supposed
Future perfect continuous
I'll have been supposing you'll have been supposing he'll have been supposing we'll have been supposing you'll have been supposing they'll have been supposing
I'd be supposing you'd be supposing he'd be supposing we'd be supposing you'd be supposing they'd be supposing
Past
I'd have supposed you'd have supposed he'd have supposed we'd have supposed you'd have supposed they'd have supposed
Past continuous
I'd have been supposing you'd have been supposing he'd have been supposing we'd have been supposing you'd have been supposing they'd have been supposing