I'll be attenuating you'll be attenuating he'll be attenuating we'll be attenuating you'll be attenuating they'll be attenuating
Futuro perfecto
I'll have attenuated you'll have attenuated he'll have attenuated we'll have attenuated you'll have attenuated they'll have attenuated
Futuro perfecto contínuo
I'll have been attenuating you'll have been attenuating he'll have been attenuating we'll have been attenuating you'll have been attenuating they'll have been attenuating
I'd be attenuating you'd be attenuating he'd be attenuating we'd be attenuating you'd be attenuating they'd be attenuating
Passado
I'd have attenuated you'd have attenuated he'd have attenuated we'd have attenuated you'd have attenuated they'd have attenuated
Passado continuo
I'd have been attenuating you'd have been attenuating he'd have been attenuating we'd have been attenuating you'd have been attenuating they'd have been attenuating