I'll be telephoning you'll be telephoning he'll be telephoning we'll be telephoning you'll be telephoning they'll be telephoning
Future perfect
I'll have telephoned you'll have telephoned he'll have telephoned we'll have telephoned you'll have telephoned they'll have telephoned
Future perfect continuous
I'll have been telephoning you'll have been telephoning he'll have been telephoning we'll have been telephoning you'll have been telephoning they'll have been telephoning
I'd be telephoning you'd be telephoning he'd be telephoning we'd be telephoning you'd be telephoning they'd be telephoning
Past
I'd have telephoned you'd have telephoned he'd have telephoned we'd have telephoned you'd have telephoned they'd have telephoned
Past continuous
I'd have been telephoning you'd have been telephoning he'd have been telephoning we'd have been telephoning you'd have been telephoning they'd have been telephoning