I've been countermining you've been countermining he's been countermining we've been countermining you've been countermining they've been countermining
I'll be countermining you'll be countermining he'll be countermining we'll be countermining you'll be countermining they'll be countermining
Future perfect
I'll have countermined you'll have countermined he'll have countermined we'll have countermined you'll have countermined they'll have countermined
Future perfect continuous
I'll have been countermining you'll have been countermining he'll have been countermining we'll have been countermining you'll have been countermining they'll have been countermining
I'd be countermining you'd be countermining he'd be countermining we'd be countermining you'd be countermining they'd be countermining
Past
I'd have countermined you'd have countermined he'd have countermined we'd have countermined you'd have countermined they'd have countermined
Past continuous
I'd have been countermining you'd have been countermining he'd have been countermining we'd have been countermining you'd have been countermining they'd have been countermining