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