I'll be submerging you'll be submerging he'll be submerging we'll be submerging you'll be submerging they'll be submerging
Future perfect
I'll have submerged you'll have submerged he'll have submerged we'll have submerged you'll have submerged they'll have submerged
Future perfect continuous
I'll have been submerging you'll have been submerging he'll have been submerging we'll have been submerging you'll have been submerging they'll have been submerging
I'd be submerging you'd be submerging he'd be submerging we'd be submerging you'd be submerging they'd be submerging
Past
I'd have submerged you'd have submerged he'd have submerged we'd have submerged you'd have submerged they'd have submerged
Past continuous
I'd have been submerging you'd have been submerging he'd have been submerging we'd have been submerging you'd have been submerging they'd have been submerging