I'll be exchanging you'll be exchanging he'll be exchanging we'll be exchanging you'll be exchanging they'll be exchanging
Future perfect
I'll have exchanged you'll have exchanged he'll have exchanged we'll have exchanged you'll have exchanged they'll have exchanged
Future perfect continuous
I'll have been exchanging you'll have been exchanging he'll have been exchanging we'll have been exchanging you'll have been exchanging they'll have been exchanging
I'd be exchanging you'd be exchanging he'd be exchanging we'd be exchanging you'd be exchanging they'd be exchanging
Past
I'd have exchanged you'd have exchanged he'd have exchanged we'd have exchanged you'd have exchanged they'd have exchanged
Past continuous
I'd have been exchanging you'd have been exchanging he'd have been exchanging we'd have been exchanging you'd have been exchanging they'd have been exchanging