I've been underperforming you've been underperforming she's been underperforming we've been underperforming you've been underperforming they've been underperforming
I'd been underperforming you'd been underperforming she'd been underperforming we'd been underperforming you'd been underperforming they'd been underperforming
I'll be underperforming you'll be underperforming she'll be underperforming we'll be underperforming you'll be underperforming they'll be underperforming
Futur antérieur
I'll have underperformed you'll have underperformed she'll have underperformed we'll have underperformed you'll have underperformed they'll have underperformed
Futur antérieur continu
I'll have been underperforming you'll have been underperforming she'll have been underperforming we'll have been underperforming you'll have been underperforming they'll have been underperforming
I'd be underperforming you'd be underperforming she'd be underperforming we'd be underperforming you'd be underperforming they'd be underperforming
Passé
I'd have underperformed you'd have underperformed she'd have underperformed we'd have underperformed you'd have underperformed they'd have underperformed
Passé continu
I'd have been underperforming you'd have been underperforming she'd have been underperforming we'd have been underperforming you'd have been underperforming they'd have been underperforming