I'll be shirttailing you'll be shirttailing he'll be shirttailing we'll be shirttailing you'll be shirttailing they'll be shirttailing
Future perfect
I'll have shirttailed you'll have shirttailed he'll have shirttailed we'll have shirttailed you'll have shirttailed they'll have shirttailed
Future perfect continuous
I'll have been shirttailing you'll have been shirttailing he'll have been shirttailing we'll have been shirttailing you'll have been shirttailing they'll have been shirttailing
I'd be shirttailing you'd be shirttailing he'd be shirttailing we'd be shirttailing you'd be shirttailing they'd be shirttailing
Past
I'd have shirttailed you'd have shirttailed he'd have shirttailed we'd have shirttailed you'd have shirttailed they'd have shirttailed
Past continuous
I'd have been shirttailing you'd have been shirttailing he'd have been shirttailing we'd have been shirttailing you'd have been shirttailing they'd have been shirttailing