I'll be concerning you'll be concerning she'll be concerning we'll be concerning you'll be concerning they'll be concerning
Futur perfekt
I'll have concerned you'll have concerned she'll have concerned we'll have concerned you'll have concerned they'll have concerned
Futur perfekt kontinuierlich
I'll have been concerning you'll have been concerning she'll have been concerning we'll have been concerning you'll have been concerning they'll have been concerning
I'd be concerning you'd be concerning she'd be concerning we'd be concerning you'd be concerning they'd be concerning
Perfekt
I'd have concerned you'd have concerned she'd have concerned we'd have concerned you'd have concerned they'd have concerned
Perfekt kontinuierlich
I'd have been concerning you'd have been concerning she'd have been concerning we'd have been concerning you'd have been concerning they'd have been concerning