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 perfecto
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 perfecto 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
Passado
I'd have theorised you'd have theorised he'd have theorised we'd have theorised you'd have theorised they'd have theorised
Passado 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