I've been soundproofing you've been soundproofing he's been soundproofing we've been soundproofing you've been soundproofing they've been soundproofing
I'll be soundproofing you'll be soundproofing he'll be soundproofing we'll be soundproofing you'll be soundproofing they'll be soundproofing
Future perfect
I'll have soundproofed you'll have soundproofed he'll have soundproofed we'll have soundproofed you'll have soundproofed they'll have soundproofed
Future perfect continuous
I'll have been soundproofing you'll have been soundproofing he'll have been soundproofing we'll have been soundproofing you'll have been soundproofing they'll have been soundproofing
I'd be soundproofing you'd be soundproofing he'd be soundproofing we'd be soundproofing you'd be soundproofing they'd be soundproofing
Past
I'd have soundproofed you'd have soundproofed he'd have soundproofed we'd have soundproofed you'd have soundproofed they'd have soundproofed
Past continuous
I'd have been soundproofing you'd have been soundproofing he'd have been soundproofing we'd have been soundproofing you'd have been soundproofing they'd have been soundproofing