I'll be buffering you'll be buffering he'll be buffering we'll be buffering you'll be buffering they'll be buffering
Future perfect
I'll have buffered you'll have buffered he'll have buffered we'll have buffered you'll have buffered they'll have buffered
Future perfect continuous
I'll have been buffering you'll have been buffering he'll have been buffering we'll have been buffering you'll have been buffering they'll have been buffering
I'd be buffering you'd be buffering he'd be buffering we'd be buffering you'd be buffering they'd be buffering
Past
I'd have buffered you'd have buffered he'd have buffered we'd have buffered you'd have buffered they'd have buffered
Past continuous
I'd have been buffering you'd have been buffering he'd have been buffering we'd have been buffering you'd have been buffering they'd have been buffering