I'll be attenuating you'll be attenuating he'll be attenuating we'll be attenuating you'll be attenuating they'll be attenuating
Future perfect
I'll have attenuated you'll have attenuated he'll have attenuated we'll have attenuated you'll have attenuated they'll have attenuated
Future perfect continuous
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
Past
I'd have attenuated you'd have attenuated he'd have attenuated we'd have attenuated you'd have attenuated they'd have attenuated
Past continuous
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