I've been retrogressing you've been retrogressing he's been retrogressing we've been retrogressing you've been retrogressing they've been retrogressing
I'll be retrogressing you'll be retrogressing he'll be retrogressing we'll be retrogressing you'll be retrogressing they'll be retrogressing
Futuro perfecto
I'll have retrogressed you'll have retrogressed he'll have retrogressed we'll have retrogressed you'll have retrogressed they'll have retrogressed
Futuro perfecto contínuo
I'll have been retrogressing you'll have been retrogressing he'll have been retrogressing we'll have been retrogressing you'll have been retrogressing they'll have been retrogressing
I'd be retrogressing you'd be retrogressing he'd be retrogressing we'd be retrogressing you'd be retrogressing they'd be retrogressing
Passado
I'd have retrogressed you'd have retrogressed he'd have retrogressed we'd have retrogressed you'd have retrogressed they'd have retrogressed
Passado continuo
I'd have been retrogressing you'd have been retrogressing he'd have been retrogressing we'd have been retrogressing you'd have been retrogressing they'd have been retrogressing