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Future perfect
I'll have perpetuated you'll have perpetuated he'll have perpetuated we'll have perpetuated you'll have perpetuated they'll have perpetuated
Future perfect continuous
I'll have been perpetuating you'll have been perpetuating he'll have been perpetuating we'll have been perpetuating you'll have been perpetuating they'll have been perpetuating
I'd be perpetuating you'd be perpetuating he'd be perpetuating we'd be perpetuating you'd be perpetuating they'd be perpetuating
Past
I'd have perpetuated you'd have perpetuated he'd have perpetuated we'd have perpetuated you'd have perpetuated they'd have perpetuated
Past continuous
I'd have been perpetuating you'd have been perpetuating he'd have been perpetuating we'd have been perpetuating you'd have been perpetuating they'd have been perpetuating