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