I'll be scratching you'll be scratching he'll be scratching we'll be scratching you'll be scratching they'll be scratching
Future perfect
I'll have scratched you'll have scratched he'll have scratched we'll have scratched you'll have scratched they'll have scratched
Future perfect continuous
I'll have been scratching you'll have been scratching he'll have been scratching we'll have been scratching you'll have been scratching they'll have been scratching
I'd be scratching you'd be scratching he'd be scratching we'd be scratching you'd be scratching they'd be scratching
Past
I'd have scratched you'd have scratched he'd have scratched we'd have scratched you'd have scratched they'd have scratched
Past continuous
I'd have been scratching you'd have been scratching he'd have been scratching we'd have been scratching you'd have been scratching they'd have been scratching