I'll be antedating you'll be antedating she'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 she'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 she'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 she'd be antedating we'd be antedating you'd be antedating they'd be antedating
Passado
I'd have antedated you'd have antedated she'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 she'd have been antedating we'd have been antedating you'd have been antedating they'd have been antedating