I've been demonstrating you've been demonstrating she's been demonstrating we've been demonstrating you've been demonstrating they've been demonstrating
I'll be demonstrating you'll be demonstrating she'll be demonstrating we'll be demonstrating you'll be demonstrating they'll be demonstrating
Futur perfekt
I'll have demonstrated you'll have demonstrated she'll have demonstrated we'll have demonstrated you'll have demonstrated they'll have demonstrated
Futur perfekt kontinuierlich
I'll have been demonstrating you'll have been demonstrating she'll have been demonstrating we'll have been demonstrating you'll have been demonstrating they'll have been demonstrating
I'd be demonstrating you'd be demonstrating she'd be demonstrating we'd be demonstrating you'd be demonstrating they'd be demonstrating
Perfekt
I'd have demonstrated you'd have demonstrated she'd have demonstrated we'd have demonstrated you'd have demonstrated they'd have demonstrated
Perfekt kontinuierlich
I'd have been demonstrating you'd have been demonstrating she'd have been demonstrating we'd have been demonstrating you'd have been demonstrating they'd have been demonstrating