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Future perfect
I'll have superscribed you'll have superscribed he'll have superscribed we'll have superscribed you'll have superscribed they'll have superscribed
Future perfect continuous
I'll have been superscribing you'll have been superscribing he'll have been superscribing we'll have been superscribing you'll have been superscribing they'll have been superscribing
I'd be superscribing you'd be superscribing he'd be superscribing we'd be superscribing you'd be superscribing they'd be superscribing
Past
I'd have superscribed you'd have superscribed he'd have superscribed we'd have superscribed you'd have superscribed they'd have superscribed
Past continuous
I'd have been superscribing you'd have been superscribing he'd have been superscribing we'd have been superscribing you'd have been superscribing they'd have been superscribing