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