I'll be snowplowing you'll be snowplowing he'll be snowplowing we'll be snowplowing you'll be snowplowing they'll be snowplowing
Future perfect
I'll have snowplowed you'll have snowplowed he'll have snowplowed we'll have snowplowed you'll have snowplowed they'll have snowplowed
Future perfect continuous
I'll have been snowplowing you'll have been snowplowing he'll have been snowplowing we'll have been snowplowing you'll have been snowplowing they'll have been snowplowing
I'd be snowplowing you'd be snowplowing he'd be snowplowing we'd be snowplowing you'd be snowplowing they'd be snowplowing
Past
I'd have snowplowed you'd have snowplowed he'd have snowplowed we'd have snowplowed you'd have snowplowed they'd have snowplowed
Past continuous
I'd have been snowplowing you'd have been snowplowing he'd have been snowplowing we'd have been snowplowing you'd have been snowplowing they'd have been snowplowing