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Futur perfekt
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Futur perfekt kontinuierlich
I'll have been explaining you'll have been explaining he'll have been explaining we'll have been explaining you'll have been explaining they'll have been explaining
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Perfekt
I'd have explained you'd have explained he'd have explained we'd have explained you'd have explained they'd have explained
Perfekt kontinuierlich
I'd have been explaining you'd have been explaining he'd have been explaining we'd have been explaining you'd have been explaining they'd have been explaining