I'll be theorising you'll be theorising he'll be theorising we'll be theorising you'll be theorising they'll be theorising
Futuro anteriore
I'll have theorised you'll have theorised he'll have theorised we'll have theorised you'll have theorised they'll have theorised
Futuro anteriore contínuo
I'll have been theorising you'll have been theorising he'll have been theorising we'll have been theorising you'll have been theorising they'll have been theorising
I'd be theorising you'd be theorising he'd be theorising we'd be theorising you'd be theorising they'd be theorising
Passato
I'd have theorised you'd have theorised he'd have theorised we'd have theorised you'd have theorised they'd have theorised
Passato continuo
I'd have been theorising you'd have been theorising he'd have been theorising we'd have been theorising you'd have been theorising they'd have been theorising