I'll be diagnosing you'll be diagnosing he'll be diagnosing we'll be diagnosing you'll be diagnosing they'll be diagnosing
Future perfect
I'll have diagnosed you'll have diagnosed he'll have diagnosed we'll have diagnosed you'll have diagnosed they'll have diagnosed
Future perfect continuous
I'll have been diagnosing you'll have been diagnosing he'll have been diagnosing we'll have been diagnosing you'll have been diagnosing they'll have been diagnosing
I'd be diagnosing you'd be diagnosing he'd be diagnosing we'd be diagnosing you'd be diagnosing they'd be diagnosing
Past
I'd have diagnosed you'd have diagnosed he'd have diagnosed we'd have diagnosed you'd have diagnosed they'd have diagnosed
Past continuous
I'd have been diagnosing you'd have been diagnosing he'd have been diagnosing we'd have been diagnosing you'd have been diagnosing they'd have been diagnosing