I've been systematising you've been systematising he's been systematising we've been systematising you've been systematising they've been systematising
I'll be systematising you'll be systematising he'll be systematising we'll be systematising you'll be systematising they'll be systematising
Futur perfekt
I'll have systematised you'll have systematised he'll have systematised we'll have systematised you'll have systematised they'll have systematised
Futur perfekt kontinuierlich
I'll have been systematising you'll have been systematising he'll have been systematising we'll have been systematising you'll have been systematising they'll have been systematising
I'd be systematising you'd be systematising he'd be systematising we'd be systematising you'd be systematising they'd be systematising
Perfekt
I'd have systematised you'd have systematised he'd have systematised we'd have systematised you'd have systematised they'd have systematised
Perfekt kontinuierlich
I'd have been systematising you'd have been systematising he'd have been systematising we'd have been systematising you'd have been systematising they'd have been systematising