I'll be hollowing you'll be hollowing she'll be hollowing we'll be hollowing you'll be hollowing they'll be hollowing
Future perfect
I'll have hollowed you'll have hollowed she'll have hollowed we'll have hollowed you'll have hollowed they'll have hollowed
Future perfect continuous
I'll have been hollowing you'll have been hollowing she'll have been hollowing we'll have been hollowing you'll have been hollowing they'll have been hollowing
I'd be hollowing you'd be hollowing she'd be hollowing we'd be hollowing you'd be hollowing they'd be hollowing
Past
I'd have hollowed you'd have hollowed she'd have hollowed we'd have hollowed you'd have hollowed they'd have hollowed
Past continuous
I'd have been hollowing you'd have been hollowing she'd have been hollowing we'd have been hollowing you'd have been hollowing they'd have been hollowing