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