I've been fractionating you've been fractionating he's been fractionating we've been fractionating you've been fractionating they've been fractionating
I'll be fractionating you'll be fractionating he'll be fractionating we'll be fractionating you'll be fractionating they'll be fractionating
Future perfect
I'll have fractionated you'll have fractionated he'll have fractionated we'll have fractionated you'll have fractionated they'll have fractionated
Future perfect continuous
I'll have been fractionating you'll have been fractionating he'll have been fractionating we'll have been fractionating you'll have been fractionating they'll have been fractionating
I'd be fractionating you'd be fractionating he'd be fractionating we'd be fractionating you'd be fractionating they'd be fractionating
Past
I'd have fractionated you'd have fractionated he'd have fractionated we'd have fractionated you'd have fractionated they'd have fractionated
Past continuous
I'd have been fractionating you'd have been fractionating he'd have been fractionating we'd have been fractionating you'd have been fractionating they'd have been fractionating