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Futur antérieur
I'll have dofferentiated you'll have dofferentiated he'll have dofferentiated we'll have dofferentiated you'll have dofferentiated they'll have dofferentiated
Futur antérieur continu
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
Passé
I'd have dofferentiated you'd have dofferentiated he'd have dofferentiated we'd have dofferentiated you'd have dofferentiated they'd have dofferentiated
Passé continu
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