I'll be shredding you'll be shredding he'll be shredding we'll be shredding you'll be shredding they'll be shredding
Future perfect
I'll have shredded you'll have shredded he'll have shredded we'll have shredded you'll have shredded they'll have shredded
Future perfect continuous
I'll have been shredding you'll have been shredding he'll have been shredding we'll have been shredding you'll have been shredding they'll have been shredding
I'd be shredding you'd be shredding he'd be shredding we'd be shredding you'd be shredding they'd be shredding
Past
I'd have shredded you'd have shredded he'd have shredded we'd have shredded you'd have shredded they'd have shredded
Past continuous
I'd have been shredding you'd have been shredding he'd have been shredding we'd have been shredding you'd have been shredding they'd have been shredding