I'll be blundering you'll be blundering he'll be blundering we'll be blundering you'll be blundering they'll be blundering
Futuro anteriore
I'll have blundered you'll have blundered he'll have blundered we'll have blundered you'll have blundered they'll have blundered
Futuro anteriore contínuo
I'll have been blundering you'll have been blundering he'll have been blundering we'll have been blundering you'll have been blundering they'll have been blundering
I'd be blundering you'd be blundering he'd be blundering we'd be blundering you'd be blundering they'd be blundering
Passato
I'd have blundered you'd have blundered he'd have blundered we'd have blundered you'd have blundered they'd have blundered
Passato continuo
I'd have been blundering you'd have been blundering he'd have been blundering we'd have been blundering you'd have been blundering they'd have been blundering