I've been dofferentiating you've been dofferentiating he's been dofferentiating we've been dofferentiating you've been dofferentiating they've been dofferentiating
I'd been dofferentiating you'd been dofferentiating he'd been dofferentiating we'd been dofferentiating you'd been dofferentiating they'd been dofferentiating
I'll be dofferentiating you'll be dofferentiating he'll be dofferentiating we'll be dofferentiating you'll be dofferentiating they'll be dofferentiating
Futuro perfecto
I'll have dofferentiated you'll have dofferentiated he'll have dofferentiated we'll have dofferentiated you'll have dofferentiated they'll have dofferentiated
Futuro perfecto contínuo
I'll have been dofferentiating you'll have been dofferentiating he'll have been dofferentiating we'll have been dofferentiating you'll have been dofferentiating they'll have been dofferentiating
I'd be dofferentiating you'd be dofferentiating he'd be dofferentiating we'd be dofferentiating you'd be dofferentiating they'd be dofferentiating
Passado
I'd have dofferentiated you'd have dofferentiated he'd have dofferentiated we'd have dofferentiated you'd have dofferentiated they'd have dofferentiated
Passado continuo
I'd have been dofferentiating you'd have been dofferentiating he'd have been dofferentiating we'd have been dofferentiating you'd have been dofferentiating they'd have been dofferentiating