I'll be floundering you'll be floundering he'll be floundering we'll be floundering you'll be floundering they'll be floundering
Future perfect
I'll have floundered you'll have floundered he'll have floundered we'll have floundered you'll have floundered they'll have floundered
Future perfect continuous
I'll have been floundering you'll have been floundering he'll have been floundering we'll have been floundering you'll have been floundering they'll have been floundering
I'd be floundering you'd be floundering he'd be floundering we'd be floundering you'd be floundering they'd be floundering
Past
I'd have floundered you'd have floundered he'd have floundered we'd have floundered you'd have floundered they'd have floundered
Past continuous
I'd have been floundering you'd have been floundering he'd have been floundering we'd have been floundering you'd have been floundering they'd have been floundering