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