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