I'll be countering you'll be countering he'll be countering we'll be countering you'll be countering they'll be countering
Futuro perfecto
I'll have countered you'll have countered he'll have countered we'll have countered you'll have countered they'll have countered
Futuro perfecto contínuo
I'll have been countering you'll have been countering he'll have been countering we'll have been countering you'll have been countering they'll have been countering
I'd be countering you'd be countering he'd be countering we'd be countering you'd be countering they'd be countering
Passado
I'd have countered you'd have countered he'd have countered we'd have countered you'd have countered they'd have countered
Passado continuo
I'd have been countering you'd have been countering he'd have been countering we'd have been countering you'd have been countering they'd have been countering