I'll be surcharging you'll be surcharging he'll be surcharging we'll be surcharging you'll be surcharging they'll be surcharging
Future perfect
I'll have surcharged you'll have surcharged he'll have surcharged we'll have surcharged you'll have surcharged they'll have surcharged
Future perfect continuous
I'll have been surcharging you'll have been surcharging he'll have been surcharging we'll have been surcharging you'll have been surcharging they'll have been surcharging
I'd be surcharging you'd be surcharging he'd be surcharging we'd be surcharging you'd be surcharging they'd be surcharging
Past
I'd have surcharged you'd have surcharged he'd have surcharged we'd have surcharged you'd have surcharged they'd have surcharged
Past continuous
I'd have been surcharging you'd have been surcharging he'd have been surcharging we'd have been surcharging you'd have been surcharging they'd have been surcharging