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