I'll be bechancing you'll be bechancing he'll be bechancing we'll be bechancing you'll be bechancing they'll be bechancing
Future perfect
I'll have bechanced you'll have bechanced he'll have bechanced we'll have bechanced you'll have bechanced they'll have bechanced
Future perfect continuous
I'll have been bechancing you'll have been bechancing he'll have been bechancing we'll have been bechancing you'll have been bechancing they'll have been bechancing
I'd be bechancing you'd be bechancing he'd be bechancing we'd be bechancing you'd be bechancing they'd be bechancing
Past
I'd have bechanced you'd have bechanced he'd have bechanced we'd have bechanced you'd have bechanced they'd have bechanced
Past continuous
I'd have been bechancing you'd have been bechancing he'd have been bechancing we'd have been bechancing you'd have been bechancing they'd have been bechancing