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 anteriore
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 anteriore 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
Passato
I'd have explained you'd have explained he'd have explained we'd have explained you'd have explained they'd have explained
Passato 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