I'd been centering you'd been centering he'd been centering we'd been centering you'd been centering they'd been centering
Futuro simple
I'll center you'll center he'll center we'll center you'll center they'll center
Futuro continuo
I'll be centering you'll be centering he'll be centering we'll be centering you'll be centering they'll be centering
Futuro perfecto
I'll have centered you'll have centered he'll have centered we'll have centered you'll have centered they'll have centered
Futuro perfecto contínuo
I'll have been centering you'll have been centering he'll have been centering we'll have been centering you'll have been centering they'll have been centering
Condicional
Presente
I'd center you'd center he'd center we'd center you'd center they'd center
Presente continuo
I'd be centering you'd be centering he'd be centering we'd be centering you'd be centering they'd be centering
Passado
I'd have centered you'd have centered he'd have centered we'd have centered you'd have centered they'd have centered
Passado continuo
I'd have been centering you'd have been centering he'd have been centering we'd have been centering you'd have been centering they'd have been centering