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