I'll be describing you'll be describing she'll be describing we'll be describing you'll be describing they'll be describing
Futuro anteriore
I'll have described you'll have described she'll have described we'll have described you'll have described they'll have described
Futuro anteriore contínuo
I'll have been describing you'll have been describing she'll have been describing we'll have been describing you'll have been describing they'll have been describing
I'd be describing you'd be describing she'd be describing we'd be describing you'd be describing they'd be describing
Passato
I'd have described you'd have described she'd have described we'd have described you'd have described they'd have described
Passato continuo
I'd have been describing you'd have been describing she'd have been describing we'd have been describing you'd have been describing they'd have been describing